33& 



R. W. CROSSKEY 



prosternum 



148 149 150 RWC 



Figs 136-150. Characters of some Tachinidae cited in the keys. 136, a typical setulose 

 prosternum. 137, showing precoxal row of hairs on sternopleuron in genus Actia. 

 138, prostigmatic setae in genus Peribaea. 139, second antennal segment in some Lin- 

 naemya species showing wart-like excrescence. 140 & 141, anterior surface of fore coxa 

 in (140) a form with complete hairing and in (141) a form with the inner anterior surface 

 bare (drawn from Formosia s. str. and Rutilia respectively). 142, left lateral view of 

 abdomen in $ Compsilura, vestiture omitted except for spines of ventral keel. 143, left 

 lateral view of abdomen in 9 Medinodexia, vestiture omitted except for ventral pegs. 

 144, apex of hind coxa in 9 Medinodexia. 145, haired suprasquamal ridge of Rutilia 

 (subgenus Chrysorutilia). 146, fore tarsus of $ Melanasomyia aberrans. 147, showing 

 enormous lower calypter of Compsoptesis in relation to scutellum (shown in outline). 

 148-150, types of hair-fascicle occurring on each side of venter of abdominal T4 in <J 

 Palexorista. 



