376 



ENTOMOLOGICAL NEWS. 



[Dec, 'o6 



of middle tibiae much reduced; hind metatarsi somewhat compressed; 

 tarsi entirely black. In aldrichi the base of the metatarsi is somewhat 

 yellowish. Anal vein three times the length of the anal cross-vein, in 

 aldrichi it is less than twice as long as the cross-vein. 



EMPIDIN^. 

 TOREUS gen. nov. 



Male. — Entirely devoid of bristles. 

 Eyes broadly separated, the lower 

 facets larger: basal joint of antennae 

 small, last joint twice as long as the 

 basal joints together, compressed 

 conical, rather blunt; the style one- 

 eighth the length of the third joint. 

 Proboscis three times the length of the 

 head, the rigid rostrum three-fifths the 

 length of the labella: palpi short and 

 incumbent. The proboscis extends 

 downward and somewhat forward, 

 and not backward, in the dried speci- 

 men. 



Thorax entirely without bristles, no 

 metapleural setae. Abdomen robust, 

 cylindrical, somewhat depressed apically, consisting of but 

 six segments, the seventh forming a horizontal inverted 

 hood-like peduncle to the hypopygium; no pits visible 

 on any segment: hypopygium consisting of two triangular 

 chitinous lateral clasping valves, which enclose a pair of upright 

 decussating flattened filaments ; intromittent organ curved and 

 pointed, projecting downward from between the bases of the 

 lateral valves ; arising from the inner base of the hypopygium 

 are a pair of curved slender diverging filamentous appendages 

 which project above the height of the hypopygium. 



Legs not long, without bristles, but with fine hairs, without 

 apophyses or thickenings, front metatarsi two-fifths the length 

 of the hind ones, hind tibiae bent outwardly at their middle, 

 pulvilli small. 



Wings rather broad, anal angle broadly rounded, costa en- 

 compassing the entire wing, anal vein not or but little continued 



Toreus neomexicana—a., antenna 



