KEY

Tlili, Haithem, Abdellaoui, Khemais, Chintauan-Marquier, Ioana C., Chouikha, Manel Ben, Moussi, Abdelhamid, Ammar, Mohamed & Desutter-Grandcolas, Laure, 2020, Checklist and taxonomic updates in grasshoppers (Orthoptera: Caelifera) of central and southwestern Tunisia with new records and a key for species identification, Zoosystema 42 (31), pp. 607-738 : 710-715

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https://doi.org/ 10.5252/zoosystema2020v42a31

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urn:lsid:zoobank.org:pub:ED85BA40-9044-4174-AD62-8782A3A00805

DOI

https://doi.org/10.5281/zenodo.4382875

persistent identifier

https://treatment.plazi.org/id/038A87B5-2113-BE5E-FAB0-FA541E7FB8B9

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Felipe

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KEY
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KEY View in CoL TO FAMILIES, SUBFAMILIES, GENERA, AND SPECIES FOR THE SPECIES FROM CENTRAL AND SOUTHWESTERN OF TUNISIA

1. Pronotum narrowed and prolonged backward to or beyond the tip of abdomen; arolium between the claws of tarsus absent ( Fig. 81A View FIG ) ........................................................................................... Tetrigidae Rambur, 1838 View in CoL (Only one genus and one species in Tunisia: Paratettix meridionalis ( Rambur, 1838) View in CoL , Fig. 77 View FIG ).

— Pronotum neither narrowed, nor prolonged backward to or beyond the tip of abdomen; arolium between the claws of tarsus variable in size but always present ( Fig. 81 View FIG B-F) ................................................................... 2.

2. Head from above with fastigial furrow ( Fig. 78A, B View FIG ); fastigium of the vertex sometimes with a simple concave cicatrix ( Fig. 78C View FIG ); hind femur lower basal lobe longer than upper lobe (Fig. Fig. 88 View FIG A-E) .......................... 3.

— Head without a fastigial furrow; fastigium of the vertex without a cicatrix ( Fig. 78 View FIG D-F); hind femur lower basal lobe shorter or seldom as long as the upper lobe ( Fig. 88 View FIG F-K) .................................................................... 5.

3. Head conical, frons strongly curved in side view ( Fig. 80A View FIG ); apical fastigial areolae almost always present ( Fig. 78C View FIG ); Krauss’s organ absent; upper carina of femur smooth and without tubercles or spines ( Fig. 78E View FIG ) ..................................................................................................... Pyrgomorphidae Brunner, 1874 View in CoL .......... 14.

— Head of variable shape, but not acutely conical ( Fig. 80B View FIG ); apical fastigial areolae absent ( Fig. 78A, B View FIG ); Krauss’s organ almost always present ( Fig. 92A, B View FIG ); upper carina of femur almost rough with tubercles or spines ( Fig. 88 View FIG B-C) .................................................................... Pamphagidae Burmeister, 1840 View in CoL .......... 4.

4. Elytra and wings fully developed ................................................................ Thrinchinae Stål, 1876 View in CoL .......... 15.

— Apterous or squamipterous species ................................................ Pamphaginae Burmeister, 1840 View in CoL .......... 16.

5. Pronotum with a strong crest in the prozona ( Fig. 80C View FIG ); posterior tibia almost arched ( Fig. 89A View FIG ) .................. ..................................................................................... Dericorythidae Jacobson & Bianchi, 1905 View in CoL .......... 22.

— Pronotum without a strong crest in the prozona ( Fig. 80 View FIG D-F); posterior tibia not arched ( Fig. 89B View FIG ) .............. ................................................................................................................. Acrididae MacLeay, 1821 View in CoL .......... 6.

6. Prosternal process present ( Fig. 82A View FIG ) .......................................................................................................... 7.

— Prosternal process absent ( Fig. 82B View FIG ) ......................................................................................................... 10.

7. Body cylindrical; head strongly elongate and almost conical; pronotum without carinae ................................ ...................................................................................................................... Tropidopolinae Jacobson, 1905 View in CoL (only one genus and one species known in Tunisa, Tropidopola cylindrica cylindrica ( Marschall, 1836) , Fig. 58 View FIG ).

— Body of variable shape but not cylindrical; head with variable shape but not elongated or conical; pronotum with carinae ................................................................................................................................................ 8.

8. Size large (40-70 mm); pronotum almost subcylindrical or tectiform, median carina incised by three sulci; lateral carena of pronotum absent ........................................................ Cyrtacanthacridinae Kirby, 1910 View in CoL .......... 23.

— Size small to medium (<40 mm); dorsum of pronotum flat; lateral carinae of pronotum almost always present .......... 9.

9. Hind femur very thick ( Fig. 88F View FIG ); hind wings basally light pink; male cerci large and pincer-shaped ( Fig. 95A View FIG ) ......................................................................................................... Calliptaminae Jacobson, 1905 View in CoL .......... 56.

— Hind femur slender ( Fig. 88 View FIG G-H); hind wings hyaline; male cerci small and not pincer-shaped ( Fig. 95B View FIG ) .... ....................................................................... Eyprepocnemidinae Brunner von Wattenwyl, 1893 View in CoL .......... 24.

10. Frons very oblique ( Fig. 80 View FIG E-F) ............................................................. Acridinae MacLeay, 1821 View in CoL .......... 25.

— Frons not very oblique ( Fig. 80D View FIG ) .............................................................................................................. 11.

11. Inner side of hind femur with a stridulatory mechanism ( Fig. 90 View FIG ) ............................................................ 12.

— Inner side of hind femur without a stridulatory mechanism ..................................................................... 13.

12. Arolium between tarsal claws very small or absent; subgenital plate very short ( Fig. 94C View FIG ); male cercus short and curved ( Fig. 94A View FIG ) .................................................................. Eremogryllinae Dirsh,1956 View in CoL .......... 27.

— Arolium between tarsal claws present and large; male cercus of different shape but not short and curved ....... ........................................................................................................ Gomphocerinae Fieber, 1853 .......... 28.

13. Hind wings transparent; furcal suture of mesosternum curved backward ( Fig. 87A, B View FIG ) ................................... ................................................................................. Egnatiinae Bey-Bienko & Mistshenko,1951 View in CoL .......... 55. (Only one genus known in Tunisia, Egnatioides Vosseler, 1902 ).

— Hind wings almost always colored or with a black band; furcal suture of mesosternum not curved backward ( Fig. 87C, D View FIG ) ............................................................................................................... Oedipodinae Walker, 1871 View in CoL .......... 30.

14. Species sand-colored, spotted with brown and white; middle leg twice as long as the foreleg; spurs of hind tibia strongly elongated ( Fig. 91A View FIG ) .................................................................................. Tenuitarsus Bolívar, 1904 View in CoL (only one species known in Tunisia, Tenuitarsus angustus ( Blanchard, 1836) View in CoL , Fig. 76 View FIG ).

— Colour variable, brownish or greenish; middle leg not elongate; spurs of hind tibia not elongated ( Fig. 91B View FIG ) ............................................................................................................ Pyrgomorpha Serville, 1838 View in CoL .......... 42.

15. Fastigial furrow obliterated; pronotum depressed; hind wing tinted with yellowish with a black band............. .................................................................................................................................... Tuarega Uvarov, 1943 View in CoL . (Only one species known in Tunisia, Tuarega insignis ( Lucas, 1851) View in CoL , Fig. 73 View FIG ).

— Fastigial furrow well marked; pronotum in prozona highly raised; hind wing tinted with pinkish in male, sometimes transparent in female; with a black band in both sexes ........................... Tmethis Fieber, 1853 View in CoL (only one species known in Tunisia, Tmethis cisti ( Fabricius, 1787) View in CoL , Fig. 72 View FIG ).

16. Size small; Krauss’s organ absent; hind border of pronotum with spines; wings absent or very small ........ 17.

— Size medium to large; Krauss’s organ present ( Fig. 90A, B View FIG ); hind border of pronotum without spines; wings present ............................................................................................................................................ 18.

17. Hind wings absent; upper carina of hind femora provided with spines ( Fig. 88C View FIG ) .......... Finotia Bonnet, 1884 View in CoL (only one species known in Tunisia, Finotia spinicollis Bonnet, 1884 View in CoL , Fig. 65 View FIG ).

— Hind wings present; upper carina of hind femora undulate and slightly decline toward the apex ( Fig. 88D View FIG ) .................................................................................................................................. Ocneridia Bolívar, 1912 View in CoL . (only one species known in Tunisia, Ocneridia nigropunctata ( Lucas, 1849) View in CoL , Fig. 66 View FIG ).

18. Prosternum process with pointed tubercles ( Fig. 83A, B View FIG ) .......................................................................... 19.

— Prosternum process without pointed tubercles .......................................................................................... 20.

19. Prosternum process with two pointed tubercles ( Fig. 83A View FIG ) .................................. Euryparyphes Fischer, 1853 View in CoL . (Only one species known in Tunisia, Euryparyphes sitifensis ( Brisout de Barneville, 1854) View in CoL , Fig. 64 View FIG ).

— Prosternum process with four pointed tubercles ( Fig. 83B View FIG ) ........................ Paraeuryparyphes La Greca, 1993 View in CoL . (Only one species known in Tunisia, Paraeuryparyphes quadridentatus ( Brisout de Barneville, 1852) View in CoL , Fig. 71 View FIG ).

20. Hind femora with a pre-genicular narrowing less evident; colour variable, between grey and greenish, mottled with white; pronotum highly tectiform ( Fig. 80B View FIG ); integument slightly rugose; hind tibiae hairless .......................................................................................................... Pamphagus Thunberg, 1815 View in CoL .......... 44.

— Hind femurs slender, with a pre-genicular narrowing more evident; colour brownish; pronotum less tectiform; integument strongly rugose; hind tibiae hairy............................................................................................. 21.

21. Male subgenital plate not divided into two parts ( Fig. 93A View FIG ); hind border of epiphallus monolobate................ ................................................................................................................... Acinipe Rambur, 1838 View in CoL .......... 43.

— Male subgenital plate divided into two parts ( Fig. 93B View FIG ); hind border of epiphallus bilobate ( Fig. 96A View FIG ) ....................................................................................... Paracinipe Descamps & Mounassif, 1972 View in CoL .......... 45.

22. Size small (9.6-19.3 mm); elytra, wings and tympanum absent ............................ Pamphagulus Uvarov, 1929 (only one species known in Tunisia, Pamphagulus bodenheimeri dumonti Uvarov, 1929 , Fig. 61 View FIG ).

— Size medium to large (> 20mm); elytra and wings fully developed; tympanum present .............................. ............................................................................................................ Dericorys Serville, 1838 .......... 46.

23. Ash-brown colored; pronotum tectiform, constricted; median carina slightly raised; wings with a large brown fascia ............................................................................................................................... Anacridium Uvarov, 1923 (only one species known in Tunisia, Anacridium aegyptium ( Linnaeus, 1764) , Fig. 11 View FIG ).

— Sand colored; pronotum subcylindrical, median carina not raised; wings transparent ....... Schistocerca Stål, 1873 (only one species known in Tunisia, Schistocerca gregaria gregaria ( Forskål, 1775) , Fig. 12 View FIG ).

24. Presence of a black ‘tear’ under the eyes; hind leg colourful; hind femur outer side with a longitudinal black band ( Fig. 88G View FIG ); hind femur inner and outer sides without black spots ............... Eyprepocnemis Fieber, 1853 (only one species known in Tunisia, Eyprepocnemis plorans plorans ( Charpentier, 1825) , Fig. 18 View FIG ).

— No black ‘tear’ under the eyes; hind tibia and tarsus red; hind femur outer side without a longitudinal black band; hind femur inner and outer sides with two black spot ( Fig. 88H View FIG ) ..... Heteracris Walker, 1870 .......... 47.

25. Body large (> 40mm); head strongly elongate ( Fig. 80F View FIG ) ............................................................................ 26.

— Body of small size (<30mm); head not elongated ( Fig. 80E View FIG ) ..................................... Duroniella Bolívar, 1908 (only one species known in southern Tunisia, Duroniella lucasii ( Bolívar, 1881) , Fig. 4 View FIG ).

26. Lateral carina of pronotum straight and slightly incurved in metazona; wings greenish in male and female without small macules; inner face of male and female femora without stridulatory comb; arolium large ( Fig. 81F View FIG ) ....... ..................................................................................................................................... Acrida Linnaeus, 1758 (only one species known in Tunisia Acrida turrita ( Linnaeus, 1758) , Fig. 3 View FIG ).

— Lateral carina of pronotum incurved down in metazona; wing base pink and purplish in female, greenish in male, with several small macules in both sexes; inner side of male and female femora with a stridulatory comb ( Fig. 90A View FIG ); arolium small to medium size ( Fig. 81 View FIG D-E) ............ Truxalis Fabricius, 1775 .......... 50.

27. Middle leg twice as long as fore leg; inner spurs of hind tibia strongly elongated ( Fig. 91C View FIG ); arolium vestigial .............................................................................................................................. Eremogryllus Krauss, 1902 (only one species known in Tunisia Eremogryllus hammadae Krauss, 1902 , Fig. 15 View FIG ).

— Middle leg not elongate; spurs of hind tibia short; claws short; arolium about half the claws length ............... .................................................................................................................. Notopleura Krauss, 1902 ..........51.

28. Antenna ensiform; head conical ................................................................... Ochrilidia Stål, 1873 .......... 52.

— Antenna filiform; head subconical ............................................................................................................. 29.

29. Lateral carina of pronotum angularly incurved; dorsum with X-shaped ( Fig. 79A View FIG ) .................................... ......................................................................................................... Dociostaurus Fieber, 1853 .......... 54.

— Lateral carina slightly incurved; dorsum without X-shaped .................................... Stenohippus Uvarov, 1926 (only one species known in Tunisia Stenohippus mundus ( Walker, 1871) , Fig. 28 View FIG ).

30. Median carina strongly tectiform in prozona; upper carina of femur drop in apical part ( Fig. 88I View FIG ) .................. ............................................................................................................... Oedipoda Latreille, 1829 .......... 59.

— Median carina with different shape but not only tectiform in prozona; upper carina of femur never drop in apical part ( Fig. 88J View FIG ) ..................................................................................................................................... 31.

31. Median carina tectiform in prozona and metazona .................................................................................... 32.

— Median carina with different shape but not tectiform in both parts of pronotum ...................................... 33.

32. Pronotum above with X-shaped ( Fig. 79B View FIG ); median carina not interrupted by transverse posterior groove; hind wings yellowish with one dark fascia ............................................. Oedaleus Fieber, 1853 .......... 60.

— Pronotum above without X-shaped; median carina interrupted by transverse posterior groove; hind wings brightly coloured by red at base with one or two dark fascia .................................................................................. 34.

33. Size medium; body thickset; hind wings brightly coloured and red at base with long dark fascia .................................................................................................................... Scintharista Saussure, 1884 (only one species known in Tunisia Scintharista notabilis notabilis ( Walker, 1870) , Fig. 45 View FIG ).

— Small to medium size; body not thickset; hind wings brightly coloured at base by red in female and yellow in male, with short dark fascia in both sexes ............................................................... Mioscirtus Saussure, 1888 (only one species known in Tunisia Mioscirtus wagneri wagneri ( Eversmann, 1859) , Fig. 40 View FIG ).

34. Inner spurs of hind tibia longer than the first tarsal segment ( Fig. 92 View FIG E-F) ................................................. 35.

— Inner spurs of hind tibia never exceeding the half-length of first basal tarsal segment ( Fig. 91D View FIG ); slightly longer than outer spurs ........................................................................................................................................ 36.

35. Median carina of pronotum distinct in prozona; inner spurs of hind tibia slightly shorter than half-length of basal tarsal segment ( Fig. 91E View FIG ) ............................................................................................................ ................................................................................................... Leptopternis Saussure, 1884 .......... 61.

— Median carina in prozona obliterate; spurs of hind tibia longer than half-length of basal tarsal segment ( Fig. 91F View FIG ) ............................................................................................................ Hyalorrhipis Saussure, 1884 (only one species known in Tunisia Hyalorrhipis calcarata ( Vosseler, 1902) , Fig. 37 View FIG ).

36. Fastigium of vertex above concave with well developed lateral carinula; fastigial faveoale trapezoidal ( Fig. 78E View FIG ) .................................................................................................................... Aiolopus Fieber, 1853 .......... 62.

— Fastigium of vertex above slightly concave, lateral carinula obliterate; fastigial faveoale of different shaped but not trapezoidal ......................................................................................................................................... 37.

37. Wing strongly widened, venation strongly thickened; third vannal vein bifurcate at apex ( Fig. 86 View FIG ).................. ............................................................................................................ Helioscirtus Saussure, 1884 .......... 63.

— Wing slightly widened, venation normal and not strongly thickened; third vannal vein not bifurcate ....... 38.

38. Pronotum short and strongly saddle-shaped ............................................... Acrotylus Fieber, 1853 .......... 64.

— Pronotum not short and slightly saddle-shaped or different shape ............................................................. 39.

39. Branches of cubital vein of elytron incurved ( Fig. 84A View FIG ) ............................................. Hilethera Uvarov, 1923 . (Only one species known in Tunisia Hilethera aeolopoides ( Uvarov, 1922) , Fig. 36 View FIG ).

— Branches of cubital vein of elytron not incurved ( Fig. 84B View FIG ) ....................................................................... 40.

40. Hind femur short, widened and hairy ................................................ Thalpomena Saussure, 1884 .......... 74.

— Hind femur moderately elongate, slender and almost hairless ................................................................... 41.

41. Median carina of pronotum slightly raised in prozona .................................. Sphingoderus Bey-Bienko, 1950 . (Only one species known in Tunisia Sphingoderus carinatus ( Saussure, 1888) , Fig. 46 View FIG ).

— Median carina of pronotum absent ........................................................ Sphingonotus Fieber, 1852 .......... 66.

42. Elytra enlarged at base .............................................................. Pyrgomorpha conica ( Olivier, 1791) View in CoL ( Fig. 75 View FIG ).

— Elytra less enlarged at base ........................................................ Pyrgomorpha cognata Krauss, 1877 View in CoL . ( Fig. 74 View FIG ).

43. Median carina curved ........................................................................ Acinipe calabra ( Costa, 1836) View in CoL ( Fig. 63 View FIG ).

— Median carina slightly curved .............................. Acinipe algeriensis Descamps & Mounassif, 1972 View in CoL ( Fig. 62 View FIG ).

44. Metasternal interspace in females between 2.0 and 3.0 times wider than long ................................................ ................................................................... Pamphagus meridionalis Descamps & Mounassif, 1972 View in CoL ( Fig. 67 View FIG ).

— Metasternal interspace in females between 1.5 and 2.5 times wider than long ................................................. ................................................................................................. Pamphagus tunetanus Vosseler, 1902 ( Fig. 68 View FIG ).

45. Head, pronotum, metanotum and first abdominal tergites with many impressed points; sometimes pronotum covered by a net-work of raised carinulae; aedeagus valves stout, epiphallus with few big spines, and hind border deeply concave ( Fig. 97A, B View FIG ) ...................................... Paracinipe saharae ( Pictet & Saussure, 1893) View in CoL ( Fig. 70 View FIG ).

— Head smooth, often with some small white points and a network of carinulae behind the eyes; pronotum covered by more or less wide tubercles, evidently raised; fore and hind borders of the pronotum thick, with white and dark spots; aedeagus valves slender, epiphallus with small spines and hind border concave ( Fig. 96A, B View FIG )........... ......................................................................................... Paracinipe foreli ( Pictet & Saussure, 1893) View in CoL ( Fig. 69 View FIG ).

46. Wings tinted at base with bright pink ............................. Dericorys millierei Bonnet & Finot, 1884 ( Fig. 60 View FIG ).

— Wings yellowish-green with a smoky spot at the tip ..................... Dericorys albidula Serville, 1838 . ( Fig. 59 View FIG ).

47. Subgenital plate bilobate at apex ( Fig. 95B View FIG ) ........ Heteracris adspersa adspersa ( Redtenbacher, 1889) ( Fig. 19 View FIG ).

— Subgenital plate of different shapes but not bilobate at apex ..................................................................... 48.

48. Size large: males 28-30, females 40-50 ......................................... Heteracris harterti ( Bolívar, 1913) ( Fig. 21 View FIG ).

— Size small to medium: males <28-30, females <40-50 ............................................................................. 49.

49. Size medium: males 18.7 - 25.7 mm (mean 22.8), females 33.1-43.3 mm (mean 34); femora slender: males 2.79-4.21 mm (3.33), females 4.43-5.40 mm (mean 5.05) (measurements after Grunshaw 1991)................. ...................................................................................... Heteracris annulosa annulosa Walker, 1870 ( Fig. 20 View FIG ).

— Size small: males 17.0- 21.4 mm (mean 19.9), females 24.5-28.3 mm (mean 26.16); femora slender: males 2.22-3.03 mm (2.60), females 3.22-4.36 mm (mean 3.62) (measurements after Grunshaw 1991) ................. .................................................................................................... Heteracris minuta ( Uvarov, 1921) ( Fig. 22 View FIG ).

50. Arolium small, shorter than half spurs ( Fig. 81D View FIG ) .......................... Truxalis nasuta ( Linnaeus, 1758) ( Fig. 5 View FIG ).

— Arolium longer than half spurs ( Fig. 81E View FIG ) ............................................... Truxalis procera Klug, 1830 ( Fig. 6. View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG View FIG

51. Prozona without lateral carina; furcal suture of mesosternum not curved backward ( Fig. 87E View FIG ) ....................... ................................................................................................ Notopleura pygmaea Vosseler, 1902 . ( Fig. 16 View FIG ).

— Prozona with lateral carina; furcal suture of mesosternum slightly curved backward ( Fig. 87F View FIG ) ....................... .................................................................................................... Notopleura saharica Krauss, 1902 ( Fig. 17 View FIG ).

52. Temporal foveolae visible from above; black spot on inner knee of hind femora ........................................ ........................................................................................... Ochrilidia geniculata ( Bolívar, 1913) ( Fig. 25 View FIG ).

— Temporal foveolae not visible from above; inner knee of hind femora uncolored ...................................... 53.

53. Lateral lobes of pronotum with a white spot .................... Ochrilidia harterti harterti ( Bolívar, 1913) ( Fig. 27 View FIG ).

— Lateral lobes of pronotum without a white spot ................ Ochrilidia gracilis gracilis ( Krauss, 1902) ( Fig. 26 View FIG ).

54. Stridulatory comb ( Fig. 90B View FIG ) with 26-42 teeth (mean 33) in female and with 33-52 teeth (mean 43) in male ......................................................................... Dociostaurus (Kazakia) jagoi jagoi Soltani, 1978 ( Fig. 24 View FIG ).

— Stridulatory comb with 55-74 teeth (mean 64) in female and with 67-93 teeth (mean 78) in male ............ .............................................................................. Dociostaurus biskrensis Moussi & Petit, 2014 ( Fig. 23 View FIG ).

55. Mesosternal suture arcuate between mesosternal lobes ( Fig. 87B View FIG ) .............................................................. ............................................................................................... Egnatioides striatus Vosseler, 1902 ( Fig. 13 View FIG ).

— Mesosternal suture straight between mesosternal lobes ( Fig. 87B View FIG ) .............................................................. ........................................................................................... Egnatioides coerulans ( Krauss, 1893) ( Fig. 14 View FIG ).

56. Lateral carena absent; wings colorless ...................................................................... Sphodromerus Stål, 1873 . (Only one species known in Tunisia Sphodromerus decoloratus Finot, 1894 , Fig. 10 View FIG ).

— Lateral carena present; wings more or less pinkish ................................ Calliptamus Serville, 1831 .......... 57.

57. Wings faintly pinkish and sometimes hyaline .......................... Calliptamus deserticola Vosseler, 1902 ( Fig. 8 View FIG ).

— Wings clearly tinted with pink ................................................................................................................. 58.

58. Inner side of posterior femur with a single large black spot ( Fig. 89C View FIG ) ............................................................ ..................................................................................... Calliptamus barbarus barbarus ( Costa, 1836) ( Fig. 7 View FIG ).

— Inner side of posterior femur with two small black spots ( Fig. 89D View FIG ) ............................................................... ........................................................................................ Calliptamus wattenwylianus ( Pantel, 1896) ( Fig. 9 View FIG ).

59. Wing brightly colored with pink, with dark fascia ........ Oedipoda miniata mauritanica Lucas, 1849 ( Fig. 44 View FIG ).

— Wing brightly colored with yellowish, with dark fascia .......... Oedipoda fuscocincta fuscocincta Lucas, 1849 ( Fig. 43 View FIG ).

60. Pronotum posterior margin angular ( Fig. 79B View FIG ) ............................. Oedaleus decorus (Germar, 1825) ( Fig. 41 View FIG ).

— Pronotum posterior margin rounded ....................................... Oedaleus senegalensis ( Krauss, 1877) ( Fig. 42 View FIG ).

61. Hind wings with black spot .................................................... Leptopternis maculata Vosseler, 1902 ( Fig. 38 View FIG ).

— Hind wings without black spot .............................................. Leptopternis rothschildi Bolívar, 1913 ( Fig. 39 View FIG ).

62. Hind wings with a smoky spot at the tip; hind femur thick Aiolopus strepens strepens ( Latreille, 1804) ( Fig. 33 View FIG ).

— Hind wings without a smoky spot at the tip; hind femur slender ... Aiolopus puissanti Defaut, 2005 ( Fig. 32 View FIG ).

63. Vertex one and a half times wider than frontal side ................................................................................. ..................................................................... Helioscirtus capsitanus capsitanus ( Bonnet, 1884) ( Fig. 34 View FIG ).

— Vertex narrower between the eyes ................................................ Helioscirtus gracilis Vosseler, 1902 ( Fig. 35 View FIG ).

64. Median carina incised by one sulci; hind wing yellowish at base without black spot; middle leg twice as long as the foreleg ................................................................ Acrotylus longipes longipes (Charpentier, 1845) ( Fig. 30 View FIG ).

— Median carina incised by two sulci; hind wing red at base with back spot; middle leg not elongate .......... 65.

65. Antenna longer than head and pronotum together; pronotum between first and second sulcus flat (lateral view); black band on hind wing big; arolium between tarsal claws large and triangular ............................................. ..................................................................................... Acrotylus patruelis (Herrich-Schäffer, 1838) ( Fig. 31 View FIG ).

— Antenna not longer than head and pronotum together; pronotum between first en second sulcus elevated (lateral view), black band on hind wing smaller; arolium between tarsal claws small ............................................ ................................................................................. Acrotylus insubricus insubricus ( Scopoli, 1786) ( Fig. 29 View FIG ).

66. Hind wing with one or two dark fascia of different size ............................................................................ 67.

— Hind wing without dark fascia .................................................................................................................. 72.

67. Hind wings tinted at base with bright red, with two fascias (one medial, one apapical) .................................. ................................................................. Sphingonotus (Sphingonotus) octofasciatus ( Serville, 1838) ( Fig. 52 View FIG ).

— Hind wings bluish at base or transparent with one fascia ........................................................................... 68.

68. Supra-anal plate with a horseshoe-shaped ridge at apex ( Fig. 94B View FIG ) .................................................................. ............................................................ Sphingonotus (Parasphingonotus) radioserratus Johnsen, 1985 ( Fig. 50 View FIG ).

— Supra-anal plate variable in shape but not horseshoe-shaped at apex ......................................................... 69.

69. Hind wings with a very large black fascia, located in the middle but extended almost always to the base ........ ................................................................ Sphingonotus (Neosphingonotus) tricinctus ( Walker, 1870) ( Fig. 49 View FIG ).

— Hind wings with black fascia variable in size but not very large ................................................................ 70.

70. Prozona median carina raised; hind wings bluish at base ................................................................................ ........................................................................... Sphingonotus (Sphingonotus) lucasii Saussure, 1888 ( Fig. 41 View FIG ).

— Prozona median carina not raised ............................................................................................................. 71.

71. Intercalary vein smooth ( Fig. 85A View FIG ) .... Sphingonotus (Neosphingonotus) paradoxus Bey-Bienko, 1948 ( Fig. 48 View FIG ).

— Intercalary vein serrated ( Fig. 85B View FIG ) .................. Sphingonotus (Sphingonotus) savignyi Saussure, 1884 ( Fig. 54 View FIG ).

72. Prozona with a pair of calluses on both sides of the median carina in front of the typical groove ( Fig. 79C View FIG ) ... .......................................................................... Sphingonotus (Sphingonotus) vosseleri Krauss, 1902 ( Fig. 55 View FIG ).

— Prozona without a pair of calluses on both sides of the median carina in front of the typical groove ......... 73.

73. Veins in anal part of hind wing all thickened ............................................................................................ .......................................................... Sphingonotus (Neosphingonotus) finotianus ( Saussure, 1885) ( Fig. 47 View FIG ).

— Veins in anal part of hind wing not thickened ........................................................................................... ................................................... Sphingonotus (Sphingonotus) rubescens rubescens ( Walker, 1870) ( Fig. 53 View FIG ).

74. Hind wings tinted at the base with pink; with one black-brown fascia with a cubutal extension towards the base of the hind wing......................................................... Thalpomena algeriana algeriana ( Lucas, 1849) ( Fig. 56 View FIG ).

— Hind wings bluish at the base; without black-brown fascia ... Thalpomena coerulescens Uvarov, 1923 ( Fig. 57 View FIG ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Orthoptera

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