458 INSEOTA SAUNDERSIANA. 
a) i 
= Ww. 
Black, hairy. Head cinereous above, excepting a black stripe, 
whitish and clothed with white hairs beneath. Face slightly convex. 
Mystax with black bristles. Third joint of the antenne fusiform, rather 
broad. Thorax with a whitish band and two whitish stripes; sides and 
pectus whitish. Abdomen purplish; fifth segment towards the tip and 
7 sixth tawny. Legs bluish black, thickly clothed with long whitish hairs. 
% Wings slightly grayish; veins black; transverse veins very slightly 
- clouded with brown. Halteres with ferruginous tips. Length of the 
a body 5 lines; of the wings 9 lines. 
Amazon District. 
