142 INSECTA SAUNDERSIANA. 
Asttus Gamaxus, Mas. 
Nigro-fuseus, thoracis vittis tribus luteralibus pectoreque cinereis, abdo- 
minis segmentorum marginibus posticis fulvo-canis, antennis pedibus- 
que nigris, alis sublimpidis costa apice venarumque marginibus fuscis. 
Body black: head adorned in front with a tawny covering, whitish 
and clothed with white hairs behind and beneath, thickly beset behind 
the eyes with black bristles ; crown brown, clothed with a few black hairs ; 
face very convex, thickly beset with pale. yellow bristles ; a very few black 
bristles towards the feelers and on each side of the face and on the sides 
of the peristoma: eyes bronzed ; fore part flat, composed of large facets : 
sucker clothed at the tip with short tawny hairs; palpi beset with long 
black hairs : feelers black ; first and second joints beset with black bristles ; 
second hardly more than half the length of the first ; third spindle-shaped, 
longer than the first; bristle as long as the third: chest dark brown, 
clothed with a few black hairs and bristles, adorned with three gray 
stripes, the middle one triple ; sides, hind part and breast gray, on a dark 
brown ground : abdomen dark brown with a tawny tinge, linear, narrower 
than the chest and much less than twice its length, clothed with black 
and pale yellow hairs and bristles ; hind borders of the segments hoary, with 
a tawny tinge; sexual parts large, black, shining, clothed above with pale 
yellow silky hairs, and on each side with a tuft of black bristles, beset be- 
neath with black bristles: /egs black, clothed with short black hairs, armed 
with black spines; thighs thinly clothed with hoary hairs, armed with two 
ov three white spines ; hind-shanks and feet adorned with tawny down ; 
fore-shanks and base of fore-feet fringed with long, pale yellow hairs; foot- 
cushions tawny: wings nearly colourless, brown along the fore border, 
towards the tips, and along the greater part of the hind border ; wing-ribs 
ferruginous ; veins black, ferruginous at the base; poisers yellow. Length 
of the body 6 lines ; of the wings 11 lines. 
South America.—Columbia. 
* Nona ald oleae 
