MACROPIS. 
221 
acute and fringed with delicate down; paraglossce barely 
half the length of the tongue, and acute, their apex 
fringed laterally with dow 7 n; 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 palpi 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-scutellum 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; 
legs robust, with the posterior tibia and planta densely 
clothed externally with short hair; the planta 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 antenna as long as the 
thorax and curved; the posterior coxa very large and 
robust, the trochanters small and triangular; the femora 
large and much swollen in the centre, the posterior 
tibia very large and triangular and convex externally, 
and the planta longer than the rest of the tarsus, and 
slightly curved beneath longitudinally. 
NATIVE SPECIES. 
1. l-abiata , Panzer, $ $ . 4-4£ lines. 
(Plate Y. fig. 2 $ ? .) 
