a ae ae een oe al . P a “ 
72 INSECTA SAUNDERSIANA. 
interval; all the facets very small: sucker and palpi short, tawny: feelers 
tawny, small, tapering from the base to the tips; third, fourth and fifth 
joints pitchy: chest adorned with three slender yellowish white stripes : 
abdomen obconical, longer than the chest ; hind borders of the segments 
tawny: legs tawny, covered with white bloom, clothed with whitish hairs ; 
tips of the claws black: wings white ; wing-ribs and veins pale tawny, the 
latter darker towards the tips ; an almost right angle sending forth a long 
stump near the base of the tip cross-vein ; scales whitish, with pale tawny 
borders ; poisers yellow, with yellowish white knobs. Length of the body 
4% lines; of the wings 8 lines. 
South America. 
CHRYSOPS, Meigen. 
Curysors Excitans, Fem. 
Nigra, capite fulvescente, abdominis maculis tribus ventreque fulvis, an- 
tennis nigris basi fulvis, pedibus nigris, tarsis posterioribus tibiisque - 
basi ferrugineis, alis limpidis fusco vittatis et fasciatis. 
Body black: head adorned with a bright tawny covering which sur- 
rounds some large black shining marks; two of these are on the crown, 
the first including the eyelets, the second in front of the feelers; two on 
the face, obclavate, united at the mouth; one on each side of the peris- 
toma: eyes black; all the facets very small: sucker or lip black; lancets 
or labrum, tongue, mandibles and maxille tawny ; palpi pitchy, ferrugi- 
nous at the base: feelers black, nearly twice the length of the head, 
curved upward towards the tips; first, second and third joints tawny ; 
first and second clothed with short black hairs: chest and breast clothed 
with tawny hairs ; breast tinged with gray: abdomen slightly obconical, a 
little broader and much longer than the chest ; a large tawny spot occupies 
the sides of the first and second segments: a triangular tawny spot rests 
on the hind border of the second segment, and is connected with the side 
spots ; under side dark tawny ; fore borders of the segments pitchy; a 
large black spot at the base; legs black, clothed with very short black 
hairs; thighs clothed with short tawny hairs ; shanks and four hinder feet 
ferruginous towards the base ; foot-cushions dark tawny: wings colourless, 
brown at the base, along three-fourths of the fore border, and beneath the 
fore border on one-fourth of the length and half of the breadth of the wing 
