230 EDWARD NORTON. 



trochanters, base of feuiora and the tibins white ; inner claw tooth 

 large; wings long, outer half smoky, basal half of stigma pale; second 

 recurrent nervure received near intersection of first and second sub- 

 marginal cells. 



S . Face mostly black ; labrum white ; abdomen paler, the four an- 

 terior femora without black bands. 



Conn., N. Y., Ya., Ill 



6. Emphytus versicolor, ii. sp. 



Che3tiiut-ie<l ; thorax black: four apical joints of antenniB aiul the tarsi 

 white. Length 0.40. Br. wings 0.80 inch. 



9 . Body long and not very stout, color chestnut-red ; antennje not 

 longer than base of thorax, thick, serrate beneath, third joint but little 

 longer than fourth, the two basal joints piceous, the three next black, 

 remainder white ; face as in E. varianus, not so much depressed be- 

 low antennae; clypeus not deeply notched ; a black spot from below 

 antennas to summit ; labrum and tegulae white ; thorax black, scutel 

 black, basal plates rufous, legs rufous, trochanters and tarsi white ; 

 coxae, basal tip of the four anterior femora and the apex of posterior 

 tibiae blackish ; wings smoky, base of stigma white ; second recurrent 

 nervure a little removed from junction of first and second submarginal 

 cells. 



Illinois, (P. H. Uhler). One 9 . 



The abdomen is more slender than that of E. varianus. 



7. E. testaceus. 



Emphi/tus testaceus, Norton, Bost. Proc. viii, 1861, 156, 5, 9 • 

 Testaceous; the two basal joints of antennte rufous, the three next black, re- 

 }iiainder wliite. Length 0.40. Br. wings 0.80 inch. 



9. Color paler than in the preceding species; antennae but little 

 longer than to base of thorax, stout, serrate, third joint longest, fourth 

 longer than fifth ; the two basal joints testaceous, the three next black, 

 remainder white, extreme tip black; head as in last species; a small 

 black spot above ocelli ; labrum and tegulae pure white ; a vitta on 

 each side lobe of mesothorax, and a spot on pectus, enlarged before 

 each pair of coxae, black, scutel pale; legs testaceous; coxi>3 and tips 

 of posterior tibiae black; a spot on hinder coxae, trochanters and tarsi 

 white. Wings yellowish-smoky, darkest toward apex, base of stigma 

 white; second recurrent nervure a little removed from base of second 

 submarginal. 



l^enn., Yirginia. 



The abdomen is nearly cylindrical. 



