TRYPETIM. 287 



19. Fifth vein strongly bristly; scutellum with six bristles. 



Blephar oneura . 

 Fifth vein not bristly, scutellum with four or two bristles. 20 



20. Wings banded on the apex. ....... 21 



Wings not banded on the apex- ...... 22 



21. Middle portion of wings finely reticulated. . . Acrotsenia. 

 Middle portion of wings not finely reticulated. Baryphlegma. 



22. Face spotted. .......... 23 



Face not spotted. ......... 24 



23. Wings very much dilated; pattern of picture not radiating (4, 27) . 



Eutreta. 

 Wings not dilated; with radiating markings along the margin (2). 



Carphotricha. 



24. Front very broad. ......... 25 



Front not very broad. ........ 27 



25. Third antennal joint elongate, with a sharp anterior angle; ovipos- 



itor flattened. ....... Acidogona. 



Third antennal joint short. ....... 26 



26. Wings with numerous small spots and larger ones along the distal 



margin; ovipositor conical (18,22). - . . Eurosta. 

 Wings with large, irregular brown spots and hyaline spaces (17). 



Xenochseta. 



27. Wings without markings, or, on the apical half only with a retic- 



ulation dissolved into cross-bands (8) . . Neoaspilota. 



Flies not having the above characters. .... 28 



28. Wings of an evenly broad shape and with an unusually blunt dis- 

 tal extremity (1) Icterica. 



29 



Ensina. 

 30 



Wings of the usual shape, or dilated. 



29. Isabella very much prolonged (24) . 

 Labella not or but little elongated. 



30. Wing-markings radiating. 



Wing-markings not radiating (6) 



3i 

 Tephritis. 



31. The whole, or nearly the whole surface of the wings with an uni- 



colorous recticulation (3,21). .... Euaresta. 



A star-shaped picture at the distal extremity of the wings, the re. 



remaining surface immaculate, or with a very few spots, or 



at the most with an obsolete reticulation (5, 23) . Urellia. 



