326 



R. W. CROSSKEY 



18 19 RWC 



Figs 10-19. Some tachinid characters and their terminology. 10, apical part of wing 

 of a species with cell i? s petiolate. 11 & 12, two typical shapes of scutellum and termi- 

 nology of scutellar setae (fine lines connecting basal and subapical pores indicating 

 important differences in proportion). 13, $ hypopygium of a typical goniine in left 

 lateral view. 14 & 15, dorsal view of apex of hind tibia in typical forms (14) with a 

 pd preapical seta, and (15) without such seta. 16 & 17, ventral view of second costal 

 sector in (16) forms with the sector bare, and (17) with the sector haired. 18 & 19, 

 dorsal and ventral views, respectively, of a typical tachinid abdomen showing termin- 

 ology and numbering of tergites (T) and sternites (St) (vestiture omitted but pore 

 positions of principal setae indicated on fig. 18). 



