ig6 



transverse suture 

 notopleuron 



prescutum 



humera 

 callus 



mesopleuron 

 propleuron 



propleural seta 

 prostigmatic seta 



sternopleural setae 



R. W. CROSSKEY 

 pteropleuron pteropleural seta postalar wall 



suprasquamal 

 ridge 



scutellum 



postscutellum 

 mediotergite 

 pleurotergite 



posteroventral 

 declivity of 

 the thorax 



sternopleuron 



hypopleuron 



8 



RWG 



Figs 7-9. Thoracic characters of Tachinidae. 7, left lateral view of thorax with termin- 

 ology of sclerites and setae (latter indicated by pore positions only), wing removed. 

 8, unusual prostigmatic setae in the genus Peribaea. 9, prothoracic region, drawn from 

 specimen with setulose presternum. 



