Ceratocryptina

Herrera-Flórez, Andrés Fabián, 2021, Dorothee, a new genus of Cryptinae (Hymenoptera: Ichneumonidae) from Peru, Zootaxa 5005 (4), pp. 587-595 : 594-595

Key to the genera of Ceratocryptina

(Adapted from Townes 1970)

1. Upper 0. 3 of temple rather short to quite long, the head in profile with the upper 0. 3 of its hind margin some distance from hind margin of eye. Lower tooth of mandible usually almost as long as upper tooth ( Fig. 11 ). Clypeus weakly to strongly convex, its apical margin strongly arcuate to truncate, often with a median pair of teeth or a median irregularity.................... 2

- Upper 0. 3 of temple so short as to be almost lacking, the head in profile with upper 0. 3± of its hind margin the same or almost the same as hind margin of eye (the temple of appreciable width, however, in Ceratocryptus ). Lower tooth of mandible definitely shorter than upper tooth (except in Silsila ). Apical margin of clypeus strongly arcuate, without a median pair of teeth or a median irregularity.................................................................................. 16

2. Frons with a median horn ( Figs 11 & 12 ) or pair of horns...................................................... 3

- Frons without horns................................................................................... 7

3. Frons with a median pair of horns. Australasian and Oriental Regions................... Cremnocryptus Cushman, 1945

- Frons with a single median horn ( Figs 11 & 12 )............................................................. 4

4. Apical margin of clypeus with a median pair of small tubercles. Frontal horn with a groove along its upper edge. Afrotropical Regions......................................................................... Ceratodolius Seyrig, 1952

- Apical margin of clypeus without a median pair of tubercles ( Fig. 11 ). Frontal horn without a groove along its upper edge ( Fig. 12 )................................................................................................. 5

5. Epomia distinct. Mesoscutal punctures coarse. Nearctic (Louisiana) and Neotropical ( Mexico and Venezuela) Regions....................................................................................... Chamula Townes, 1962

- Epomia absent or vestigial ( Figs 2 & 9 ). Mesoscutal punctures fine ( Figs 2 , 4 & 9 )................................. 6

6. Tip of lower valve of ovipositor with a dorsal lobe that encloses upper valve. Australasian Region...... Aprix Townes, 1961

- Tip of lower valve of ovipositor without a dorsal lobe that encloses upper valve ( Fig. 17 ) Neotropical Region ( Peru)........................................................................................... Dorothee new genus

7. Hind wing with AA absent beyond nervellus................................................................ 8

- Hind wing with AA present beyond nervellus, reaching at least half the distance to wing margin....................... 9

8. Posterior transverse carina of propodeum obsolescent between the crests, if distinguishable between the crests the median portion arched dorsad. Petiole with a weak ventrolateral carina. Thyridium longitudinally elliptic. Neotropical Region ( Brazil)............................................................................... Trachyglutus Townes, 1970

- Posterior transverse carina of propodeum strong and transverse between the crests. Petiole without a ventrolateral carina. Thyridium transversally elliptic. Australasian Region.......................................... Wuda Cheesman, 1936

9. Epicnemium below lower corner of pronotum with a strong vertical carina or lamella. Genal carina ending at, or very close to base of mandible..................................................................................... 10

- Epicnemium below lower corner of pronotum smooth or with a vertical carina that is not very strong. Genal carina ending slightly above, to far above base of mandible.............................................................. 11

10. Areolet about 0. 8 × as high as the portion of 2m-cu that is above the bulla. Posterior transverse carina of propodeum present. Hind wing with apical half of M+CU moderately arched. Afrotropical Region..................... Afretha Seyrig, 1952

- Areolet about 0. 5 × as high as the portion of 2m-cu that is above the bulla. Posterior transverse carina of propodeum absent, though sometimes substituted by an enlarged transverse wrinkle. Apical half of M+CU strongly arched. Afrotropical and Oriental Regions................................................................. Nematocryptus Roman, 1910

11. Posterior transverse carina of propodeum completely absent. First tergite only about 0. 75 × as long as second tergite. Ovipositor sheath about 6 × as long as hind tibia. Afrotropical Region................................ Rambites Seyrig, 1952

- Posterior transverse carina of propodeum distinct, or represented by a pair of horns or crests. First tergite about as long as, or longer than second tergite. Ovipositor sheath less than 2. 5 × as long as hind tibia................................. 12

12. Spiracle of first tergite at or very close to its mid-length. Epomia absent or weak. Australasian Region.................................................................................................... Lorio Cheesman, 1936

- Spiracle of first tergite behind apical 0. 45 of the tergite. Epomia strong......................................... 13

13. Areolet closed, about 3 × as wide as high. Mesoscutum with transverse wrinkling next to its edges and next to notauli. Teeth on ovipositor tip arranged in basal and apical sets, the two sets separated by a gap. Oriental Region........................................................................................................ Lipoprion Townes, 1970

- Areolet open at apex. Mesoscutum without transverse wrinkling. Teeth on ovipositor tip arranged in one continuous series... .................................................................................................. 14

14. Posterior transverse carina of propodeum represented only by horn-like apophyses. Pronotum not swollen at upper end of epomia. Australasian Region. Some specimens of Irabatha ( Mesostenina sensu Townes ).

- Posterior transverse carina of propodeum present as a distinct carina, sometimes elevated sublaterally as a pair of crests or teeth. Pronotum strongly swollen at upper end of epomia.......................................................... 15

15. Postpetiole without a dorsolateral carina. Hind wing with M+CU weakly arched. Notaulus sharp. Oceanic ( New Caledonia)........................................................................... Cheesmanella Ozdikmen, 2005

- Postpetiole with dorsolateral carina. Hind wing with M+CU strongly arched. Notaulus not sharp. Afrotropical................................................................................................ Piasites Seyrig, 1952

16. Upper margin of pronotum not swollen or produced opposite front end of notaulus. Afrotropical and Oriental Regions......................................................................................... Fitatsia Seyrig, 1952

- Upper margin of pronotum strongly swollen or projecting opposite front end of notaulus............................ 17

17. Malar space about 0. 25 × as long as basal width of mandible. Lower tooth of mandible almost as long as upper tooth. Hind tarsal claws of male with a median right-angle bend. Australasian and Oriental Regions............ Silsila Cameron, 1903

- Malar space more than 0.5 × as long as basal width of mandible. Lower tooth of mandible distinctly shorter than upper tooth. Hind tarsal claws of male strongly curved, or in Acromia sharply bent.......................................... 18

18. Epomia extending to upper edge of pronotum, where it gives an angular edge to the swelling of pronotum that is opposite front end of notaulus. Eastern Palaearctic and Oriental Regions................................... Acromia Townes, 1961

- Epomia short, not extending to upper edge of pronotum, the swelling on pronotum opposite front end of notaulus smooth... .................................................................................................. 19

19. Frons with a median pair of acute horns. Propodeum evenly tapered from near middle to a narrow apex. White marking on propodeum, when present, in the form of two lateral triangles that are separated by a median black stripe. Lower edge of mandible without a lobe. Afrotropical, Australasian and Oriental Regions......................... Ceratocryptus Cameron, 1903

- Frons without horns or with a single median horn. Propodeum broad apically. White marking on propodeum, when present, in the form of a broad, inverted T. Lower edge of mandible often with a small preapical lobe. Australasian and Oriental Regions................................................................................ Thelodon Townes, 1961

Figures

FIGURES 9–12. Holotype of Dorothee panguanensis sp. n., 9. Head & pronotum (lateral view), 10. Antenna, 11. Head (frontal view), 12. Head (dorsal view).

FIGURES 1 & 2. Holotype of Dorothee panguanensis sp. n., 1. Habitus (lateral view), 2. Mesosoma (lateral view).

FIGURES 3 & 4. Holotype of Dorothee panguanensis sp. n., 3. Habitus (dorsal view), 4. Mesosoma (dorsal view).

FIGURES 13–17. Holotype of Dorothee panguanensis sp. n., 13. Metasoma (dorsal view), 14. Metasoma (lateral view), 15. Tergites I–III (dorsal view), 16. Base of tergite I (dorsal view), 17. Ovipositor (apical part).