MACROPIS. 221 



acute and fringed witli delicate down; paraylossa. barely 

 half the length of the tongue, and acute, their apex 

 fringed laterally w ith down ; labial palpi inserted in a 

 deep sinus, filiform, the basal joint the longest, the rest 

 diminishing both in length and substance; labium about 

 half the length of the entire organ, its inosculation 

 emarginate; maxilla hastate, rather longer than the 

 tongue ; maxillary pa/pi six -jointed, the basal joint the 

 shortest, the third the longest, the remainder diminish- 

 ing gradually in length, and all declining in substance 

 from the basal joint. THORAX oval, rather pubescent; 

 prothorax transverse, curving to the mesothorax, whose 

 bosses are inconspicuous; scutellum transverso-quadrate ; 

 post-scuteUum transverse linear; metathorax truncated. 

 WINGS with two submarginal cells, and a third com- 

 menced, the second about as long as the first, and re- 

 ceiving both the recurrent nervures, the first near its 

 commencement, and the second nearer its extremity; 

 leys robust, with the posterior tibiae and plant densely 

 clothed externally with short hair; the plant broad; 

 the second joint of the tarsus inserted at the lower angle 

 of the plantse ; claws bifid. ABDOMEN subtriangular, 

 truncated at its base, not longer than the thorax. 



The MALE differs in having the antennae as long as the 

 thorax and curved ; the posterior coxae very large and 

 robust, the trochanters small and triangular ; the femora 

 large and much swollen in the centre, the posterior 

 tibiae very large and triangular and convex externally, 

 and the plantae longer than the rest of the tarsus, and 

 slightly curved beneath longitudinally. 



NATIVE SPECIES. 



1. labiata, Panzer, J ? . 4-4| lines. 

 (Plate V. fig. 2 $ ? .) 



