458 INSECTA 3AI">DERS1AN"A. 



Black, hairy. Head cinereous above, exceptiug a black slripe, 

 whitish and clothed with white hairs beneath. Face slightly convex. 

 Mvstax with black bristles. Third joint of the antennoe fusiform, rather 

 broad. Thorax with a whitish band and two whitish stripes ; sides and 

 pectus whitish. Abdomen purplish ; fifth segment towards the tip and 

 sixth tawny. Legs bluish black, thickly clothed with long whitish hairs. 

 Wings slightly grayish ; veins black ; transverse veins very slightly 

 clouded with brown. Halleres with ferruginous tips. Length of the 

 body 5 lines ; of the wings 9 lines. 



Amazon District. 



