TRYPETID^E. 287 



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



Blepharoneura. 

 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. . . Acrotaenia. 

 Middle portion of wings not finely reticulated. Baryphlegrna. 



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. 



Wings of the usual shape, or dilated. ..... 29 



29. Isabella very much prolonged (24) ..... Ensina. 

 Isabella not or but little elongated. ..... 30 



30. Wing-markings radiating. . . . . . . . 31 



Wing-markings not radiating (6) .... 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. 



