TMcnoPEZA. 373 



on hinder side of hind tibiae at about one-tliird of the length. 

 Wings very pale grey, very iridescent ; 3rd longitudinal vein 

 widely forked beyond half its length ; prongs of upper branch of 

 4th vein issuing wide apart from the discal cell, the latter being 



Fig. 35. — Tricliopezafusca, Erun. 



large, long, pointed basally, about equal in length to 2nd posterior 

 cell; 1st basal cell a little longer than 2nd, which latter is about 

 as long as anal cell ; halteres yellow. 



Length, 3 mm. ; wing, 4| mm. 



Described from a unique $ in the Indian Museum from 

 Kurseong, 25. iii. 1910 {Gravely). 



The pecuUar nature of the autennse ought easily to distinguish 

 this species from all otiier Indian Empid-D. 



Subfamily TACHYDROMIIN^. 



Head with eyes more variable than in the other subfamilies, 

 generally separated above the antennse in both sexes ; below they 

 may be contiguous or separated ; when contiguous below, the 

 frontal facets ma}^ or may not be larger than the others ; in some 

 genera the eyes microscopically pubescent. Proboscis short, 

 sometimes curved ; palpi 1-jointed. Antennse S-jointed, with a 

 styliform ai'ista of one or two joints. llwra.v often nearly as 

 broad as long ; metapleura bare, or with very short hairs. Legs 

 of varying lengths ; sometimes the fore femora or four anterior 

 femora thickened, in which case the four anterior legs are 

 raptorial: middle tibiae sometimes with a spine. Wings with 

 axillary lobe more or less developed ; 3rd and 4th longitudinal 

 veins simple ; tliree posterior cells ; no discal cell ; lower branch 

 of 5th vein present or absent ; basal cells rather large, subequal 



