Propleural bristles: in Diptera, are situated immediately above the front coxa: = prothoracic bristle; q.   anvd [Please select]

Prothoracic bristle: in Diptera, a strong bristle immediately above the front coxa: see propleural bristles.   anvd [Please select]

Prothoracic glands: occur in Orthoptera, on the sides of prothorax in certain Phasmid genera.   anvd [Please select]

Prothoracic segment a little longer than the mesothorax which, in turn, slightly exceeds the metathorax.   anvd [Please select]

The head is one-half as wide as the prothoracic ring, being rather large.   anvd [Please select]

The prothoracic segment is broader and flatter, and the rough portion of the dorsal plates is larger and less tranversely ovate.   anvd [Please select]

Maggot of House-fly (_Musca domestica_), _a_, side-view, magnified 5 times; _b_, prothoracic spiracle; _c_, feeler; _d_, hind-region with posterior spiracles; _e_, _f_, head-region with mouth-hooks; _g_, head-region of young maggot; _h_, eggs.   anvd [Please select]