TACHINIDAE OF AUSTRALIA 201 

Fics 39-46. Head profiles in representative genera of Australian Tachinidae. 39, 
Palpostoma (g). 40, Myiotrixa (3). 41, Exechopalpus (3), palp shown. 42, Australo- 
tachina (g). 43, Toxocnemis (g). 44, Chaetophthalmus (3). 45, Neximyia (Q). 46, 
Zita (g). 
