Pseudeurybata Hennig

Marshall, S. A., 2016, Revision of the genus Pseudeurybata Hennig (Diptera, Micropezidae, Taeniapterinae), Zootaxa 4132 (2), pp. 254-268 : 256

Key to the species of Pseudeurybata Hennig

1 Postocellar seta absent (back of head with only inner and outer vertical setae, Fig. 45 ). Anterior margin of postpronotal lobe swollen, with a tuft of setae ( Fig. 45 ). Distiphallus with distal section beyond phallic bulb ( Fig. 49 ). Spermathecal ducts con- spicuously hirsute ( Fig. 52 ). South America.................................................. P. z e ta new species

- Postocellar seta present ( Fig. 25 ). Anterior margin of postpronotal lobe neither swollen nor with a tuft of setae. Phallus of known males ending at phallic bulb ( Figs. 14, 16 , 28 , 41, 42 ). Spermathecal ducts bare. Central America and Mexico..... 2

2 Wing clear except for dark apex ( Fig. 38 ). Anterior part of scutum conspicuously narrowed, dorsal surface with a prominent dip ( Fig. 39 ). Femora reddish except for contrasting black apex ( Fig. 38 )............... Pseudeurybata stigmatica Hennig

- Wing evenly infuscated. Anterior part of scutum not conspicuously narrowed, dorsal surface almost straight. Femora brown to black, often with yellowish rings......................................................................... 3

3 Mid and hind femora with a distal yellow ring ( Fig. 32 )...................................................... 4

- Mid and hind femora uniformly brown at least on distal half ( Fig. 8 )............................................ 6

4 Fore and hind leg with tarsomere one white ( Fig. 32 ). Clypeus bare............ Pseudeurybata guatemalensis new species

- All tarsi brown. Clypeus finely setulose.................................................................. 5

5 Scutum orange ( Fig. 1 ). Frontal vitta broad behind ocelli, tapered posteriorly ( Fig. 2 ). Pale distal ring of hind femur distinct, at least twice as long as distal dark part of femur ( Fig. 1 ).............................. Pseudeurybata alces new species

- Scutum dark, with a broad silvery median strip expanding postsuturally ( Fig. 17 ). Frontal vitta narrowed behind ocelli and par- allel-sided posteriorly ( Fig. 18 ). Distal ring of mid and hind femur indistinct, less than twice as long as apical dark part of femur ( Fig. 17 ).......................................................... Pseudeurybata compeditus (Hennig)

6 Tarsomere one of foreleg white or mostly white ( Fig. 24 )....................... Pseudeurybata dasypogon new species

- Tarsomere one of foreleg brown......................................................................... 7

7 Thorax dark brown with a silvery median longitudinal strip ( Fig. 36 ). Halter knob dark brown to black.......................................................................................... Pseudeurybata rufilabris (Enderlein)

- Thorax uniformly orange ( Fig. 8 ). Halter knob orange............................. Pseudeurybata browni new species

Figures

FIGURES 45 – 52. Pseudeurybata zeta. 45, male, head and notum, dorsal view; 46, male paratype, habitus lateral; 47, male abdomen, ventral view; 48, male abdomen, lateral view; 49, male terminalia, lateral view; 50, female head, lateral view; 51, female holotype, habitus lateral; 52, spermathecae and associated structures.

FIGURES 24 – 31. Pseudeurybata dasypogon. 24, holotype male, habitus lateral; 25, head and anterior thorax, dorsal view; 26, holotype male, habitus lateral, 27 spermathecae and associated structures, dorsolateral view; 28, male terminalia, lateral view; 29, apex of distiphallus to show phallic bulb, lateral view; 30, base of male abdomen, ventral; 31, male genital fork.

FIGURES 8 – 16. Pseudeurybata browni. 8, habitus, paratype female, lateral view; 9, front of head to show clypeus, lateral view; 10, head and anterior thorax, lateral view; 11, head and anterior thorax, dorsal view; 12, spermathecae and associated structures, dorsal view; 13, male genital fork, ventral view; 14, male terminalia, lateral view; 15 apex of male abdomen, lateral view; 16, apex of distiphallus to show phallic bulb, lateral view.

FIGURES 38 – 44. Pseudeurybata stigmatica. 38, female feeding on debris on leaf surface; 39, female, characteristic stance; 40, spermathecae and associated structures; 41, male terminalia, lateral view; 42, apex of distiphallus to show phallic bulb, lateral view; 43, male, characteristic stance; 44, male genital fork, ventral view.

FIGURES 32 – 37. Pseudeurybata guatemalensis and Pseudeurybata rufilabris. 32 – 35. P. guatemalensis. 32,35, holotype female, habitus lateral (oviscape removed). 33, head and anterior thorax, dorsal view; 34, spermathecae and associated structures, lateral view. 36 – 37. P. rufilabris, lectotype female. 36, head and anterior thorax, laterodorsal view; 37, habitus, laterodorsal.

FIGURES 1 – 7. Pseudeurybata alces. 1, female on foliage; 2, head and anterior thorax, dorsal view; 3, 4, female ovipositing in mossy log; 5, spermathecae and associated structures, lateral view; 6, apex of male abdomen, lateral view; 7, male terminalia, lateral view. Abbreviations: BDP—basal distiphallus, PB—phallic bulb, BC—bursa copulatrix, C—cercus, PD—paired spermathecal duct, VR—ventral receptacle.

FIGURES 17 – 23. Pseudeurybata compeditus. 17, female, habitus dorsal (oviscape removed); 18, head, dorsal view; 19, female, habitus lateral; 20, head and anterior thorax, lateral view; 21, 22, habitus, female holotype; 23, spermathecae and associated structures, dorsal view.