Anthomyiidae, Meade, 1875

Gomes, Lucas R. P., Couri, Márcia S. & De Carvalho, Claudio J. B., 2018, Anthomyiidae, Fanniidae and Muscidae (Diptera) from the Juan Fernández Archipelago (Chile): 60 years after Willi Hennig’s contributions, Zootaxa 4402 (2), pp. 373-389 : 374-375

Key to the species of Anthomyiidae , Fanniidae and Muscidae from Juan Fernández Archipelago (Chile). (Species marked with an * were not recorded in this study.)

1. Scutellum usually with fine pale cilia ventrally at tip ( Fig. 1 ); if scutellum bare ventrally and frons wider than longer in male, then frons with strong interfrontal setae. Wing usually with A1+CuA2 vein reaching edge of wing ( Fig. 2 and 5 ).................................................................................................. ( Anthomyiidae ) 2

- Scutellum without fine pale cilia ventrally at tip. Wing with A1+CuA2 vein not reaching edge of wing................... 5

2. C vein bare on ventral surface ( Fig. 6 ). Male: hind tibia with row of short erect posteroventral setae.................... 3

- C vein ciliated on ventral surface ( Fig. 3 ). Male: hind tibia without a row of short erect posteroventral setae.............. 4

3. First tarsomere of midleg without a brush of long dorsal setae. Hind femur with no more than 6 preapical posteroventral setae restricted to the apical fifth of the surface ( Fig. 4 )..................................... Delia platura (Meigen, 1826)

- First tarsomere of midleg with a brush of long dorsal setae. Hind femur not as above..... Delia sanctijacobi (Bigot, 1885) *

4. Scutellum with fine pale cilia at tip of ventral surface ( Fig. 1 ). Wing with brown maculae on crossveins r-m and dm-cu ( Fig. 2 ). Male holoptic......................................................... Anthomyia limbinervis (Macquart, 1834)

- Scutellum without fine pale cilia at tip of ventral surface. Wing without maculae on crossveins r-m and dm-cu. Male dichoptic....................................................................... Fucellia tergina (Zetterstedt, 1845) *

5. Vein Sc sinuous, with apical curvature forward toward C vein, making a bigger angle ( Fig. 7 , white arrow); vein A2 slightly or strongly curved ( Fig. 7 , black arrow)............................................................ ( Fanniidae ) 6

- Vein Sc non-sinuous, without apical curvature forward toward C vein, making a smaller angle; vein A2 straight ( Figs. 33–44 ).......................................................................................... ( Muscidae ) 11

6. Vein A2 slightly curved, imaginary extension of anal veins meeting near wing margin. Male and female dichoptic.............................................................................. Euryomma peregrinum (Meigen, 1826) *

- VeinA2 strongly curved, imaginary extension of the anal veins meeting well before the margin of the wing ( Fig. 7 ). Male hol- optic and female dichoptic................................................. Fannia (Robineau-Desvoidy, 1830) 7

7. Hind coxa bare at apex of posterior surface................................................................. 8

- Hind coxa setulose at apex of posterior surface ( Fig. 8 )....................................................... 10

8. Abdomen not uniformly dark-blue. Male: hind femur with a preapical protuberance on posterior surface, with a row and a hair-

like subapical tuft on posteroventral surface................................................................. 9 - Abdomen uniformly dark-blue ( Figs. 16 and 17 ). Male: hind femur without a preapical protuberance on posteroventral surface, without a row and a hair-like subapical tuft on posteroventral surface.................. Fannia anthracina (Walker, 1836)

9. Male: Fore leg with metatarsus bearing broad leaf-like spine at tip of posterior surface; hind femur with a preapical protuberance on ventral and posteroventral surfaces, with a long hair-like subapical tuft on posteroventral surface (longer than femoral width). Abdomen dark grey with light blue to greyish pruinosity....................... Fannia albitarsis (Stein, 1911) *

- Male: Fore leg with metatarsus without broad leaf-like spine at tip of posterior surface; hind femur with preapical protuberance on posterior surface, with short hair-like subapical tuft on posteroventral surface (shorter than femoral width). Abdomen dark grey................................................................. Fannia punctiventris ( Malloch, 1934) *

10. Legs dark brown with yellow joints; hind femur with a row of weak setae on anteroventral surface, only 2–3 stronger near apex. Male: abdomen brown-greyish with syntergite 1+2, tergites 2 and 3 yellow-translucent with median vitta brown............................................................................ Fannia canicularis (Linnaeus, 1761) *

- Legs yellow, except fore femur and tarsomeres dark brown ( Fig. 8 ); hind femur with a row of strong setae on anteroventral surface (setae near the apex are longer) ( Fig. 24 ) Male: abdomen uniformly dark brown ( Fig. 21 )......... Fannia hennigi sp. n.

11. Labella not reduced ( Fig. 41 ); prestomal teeth not developed.................................................. 12

- Labella reduced ( Fig. 11 ); prestomal teeth developed........................................................ 14

12. General coloration of body not metallic. Vein M strongly curved forward apically. Lower calyptra enlarged, sub-truncate posteriorly with anteromedian angle extended at least to slightly under base of scutellum...... Musca domestica Linnaeus, 1758

- General coloration of body metallic or bluish black not metallic. Lower calyptra glossiform, not extended below base of scutellum. Vein M parallel or very slightly forward-curved apically ( Fig. 41 ).......................................... 13

13. General coloration of body metallic violet blue or green. Gena without strong, upward-directed setae ( Figs. 40 and 41 ). Male: fore femur without a distinct concavity on ventral surface ( Fig. 40 )............. Psilochaeta chalybea (Wiedemann, 1830)

- General coloration of body not metallic, black or bluish black. Gena with strong, upward-directed setae ( Figs. 33 and 34 ). Male: fore femur with distinct concavity on ventral surface, with two toothed processes near concavity ( Fig. 33 ).............................................................................. Hydrotaea cyaneiventris (Macquart, 1851)

14. Wing with Rs node or base of vein R4+5 ciliated on dorsal surface............................................... 15

- Wing with Rs node or base of vein R4+5 with no cilia on dorsal surface........................................... 16

15. Gena strongly projected; palpus well dilated to apex ( Fig. 11 )................... Syllimnophora lispomima Hennig, 1955

- Gena not strongly projected; palpus not dilated to apex ( Figs. 35 and 36 )........... Limnophora patagonica Malloch, 1934

16. Sternite 1 setulose. Katepisternal setae 2+1 ( Fig. 9 , white arrow)...................... Lispoides insularis Hennig, 1957

- Sternite 1 bare. Katepisternal setae 1+1+1, forming equilateral triangle ( Fig. 10 , white arrow)........................ 17

17. Postsutural dorsocentral setae 2............................................. Schoenomyzina emdeni Hennig, 1955

- Postsutural dorsocentral setae 3......................................................................... 18

18. Lower and upper calypter with similar length ( Fig. 10 , black arrow). Frons broad, wider than long.......................................................................................... Notoschoenomyza kuscheli Hennig, 1955

- Lower calypter about twice as long as upper one ( Fig. 9 , black arrow). Frons not broad, about same length and width................................................................................ Coenosia ignobilis (Stein, 1911) *

Figures

FIGURES 1–11. Anthomyia limbinervis (Macquart, 1843): (1) scutellum with pale cilia ventrally (black arrow); (2) wing, ventral view; (3) costal vein ciliated ventrally, ventral view; Delia platura (Meigen, 1826): (4) male, hind femur, posterior view; (5) wing, ventral view; (6) costal vein bare ventrally, ventral view; Fannia anthracina (Walker, 1836): (7) wing, ventral view, subcostal sinuous (white arrow), vein A 2 strongly curved (black arrow); Fannia hennigi sp. n.: (8) male, coxa ciliated, posterior surface (blackarrow); Lispoides insularis Hennig, 1957:(9) abdomen, lateral view, katepisternum 2+1 (white arrow), lower calypter twice as long as upper one (blackarrow); Notoschoenomyza kuscheli Hennig, 1955: (10) abdomen, lateral view, katepisternum 1+1+1 (white arrow), calypters with similar length (black arrow); Syllimnophora lispomima Hennig, 1955: (11) female, head, lateral view.

FIGURES33–38.Hydrotaea cyaneiventris (Macquart, 1851):(33) male and (34) female,lateral view.Limnophora patagonica Malloch, 1934: (35) male and (36) female, lateral view. Lispoides insularis Hennig, 1957: (37) male and (38) female, lateral view.Scale:1.0 mm.

FIGURES 39–44. Notoschoenomyza kuscheli Hennig, 1955: (39) female, lateral view. Psilochaeta chalybea (Wiedemann, 1830): (40) male and (41) female, lateral view. Schoenomyzina emdeni Hennig, 1955: (42) female. Syllimnophora lispomima Hennig, 1955: (43) male and (44) female, lateral view. Scale: 1.0 mm.

FIGURES 16–17. Fannia anthracina (Walker, 1836):(16) male and (17) female, lateral view.Scale:0.5 mm.

FIGURES 24–32. Fannia hennigi sp. n., paratype male: (24) hind leg, anterior view; (25) hind leg, posterior view; (26) sternite 5, dorsal view; (27) epandrium, cercal plate and surstyli, dorsal view; (28) epandrium, cercal plate and surstyli, lateral view; (29) hypandrium and associated structures, dorsal view. Female:(30) spermathecae; (31)terminal segments of abdomen, dorsal view; (32) terminal segments of abdomen, ventral view.

FIGURES 18–23. Fannia hennigi sp. n., male holotype: (18) head, anterior view; (19) lateral view; (20) dorsal view; (21) male abdomen, posterior view; female paratype:(22) head anterior view; (23) lateral view. Scale: 0.5 mm.