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Genus KRAX, Macquart. 



Erax Parphoris. 



Fulfils, thoracis vittis qudtuor abdomincque nigris, hujus segmcntorum 

 raarginibtis posticis ventreque cinereis, aiitennis jiedibusque nigris, 

 alls suhcinereis. 



Head adorned with a tawny covering, which has a silky histre, beset 

 behind the eyes with black bristles, thickly clothed beneath with tawny 

 hairs ; a few black hairs and bristles on the crown ; face very prominent 

 thickly beset with long, stout, black bristles : eyes bronzed; a small por- 

 tion of the fore part nearly flat, composed of large facets : sucker black, 

 clothed at the tip with tawny hairs : palpi black, beset with long black 

 bristles: feelers black ; first and second joints beset with black bristles; 

 third oval, longer tban the second , bristle hardly widened at the tip, about 

 thrice the length of the third joint ; chest adorned with a dark tatvng 

 covering, beset on each side and at the tip with a few black bristles, having 

 four black stripes, of which the middle pair are straight and entire, the side 

 pair irregular and interrupted : breast pale grayish tawny : abdomen black, 

 tapering from the base to the tip, about twice ? the length of the chest, 

 thinly clothed on each side with whitish hairs ; hind borders of the segments 

 and under side gray : legs black, clothed with black hairs and bristles ; 

 foot-cushions dark tawny : wings pale brown ; wing-ribs and veins black ; 

 stump on the vein between the submarginal areolets about thrice the length 

 of the inner side of the angle whence it springs; poisers tawny. Length 

 of the body 1 1 ? lines ; of the wings 16 lines. 



Columbia. 



Erax Mvg»ox, Fern. 



Fnivus, thoracis iHttis qualiior abdomineque nigris, hnjna hileribits ven- 

 treque fulvis, antennis nigris, pedibus fulvis, fenioribus tibiisque 

 apice nigrif, alis subfttscis. 



Head adorned with a pale tawny covering, which has a silky lustre, 

 having a very lew black hairs and bristles on the crown, beset behind the 

 eyes with a row of black bristles, thickly clothed beneath with white hairs ; 

 face slightly i)ronii!ient, beset with very few black bristles, armed with eight 



