68 Descriptions of new species of Hymenopteru. 



ICHNEUMON. Linn. Fabr. 



1. I. parata. Antennae black with a whitish annula- 

 tion; tergum yellow, with five or six blackish bands. 



Jnhab. Indiana. 



Head yellow; disk of the vertex and of the occiput 

 black; antenna: black; basal and second joints beneath 

 and 15, 16, 17, 18, 19 and 20 joints pale yellowish: tho- 

 rax black; band on the collar, line each side extending 

 to the wings, and interrupted before, and small quadrate 

 spot on the disk, yellow; scute/ and small spot behind it, 

 yellow; metafhorax, posterior disk, yellow; wings some- 

 what dusky with fuscous nervures; stigmata pale brown- 

 ish; central cellule pentangular and transverse, not at all 

 oblique, the superior side very short; tergum, basal seg- 

 ment with the basal incisure, and spot on the disk near 

 the tip, black; remaining segments with a blackish band 

 at their bases more or less emar°;inated in their middles: 

 beneath yellow; jiectus and postpectus with the trans- 

 verse incisure, black; posterior feet, coxa? above except- 

 ing at tip, thighs excepting at base, tibiae at tip and first 

 and second joints of the tarsi, black; venter with paler 

 and less perfect bands than those of the tergum. 



Var. a. Intermediate thighs black on their middles 

 above. 



Length two-fifths of an inch. 



2. I. concinnus. Antenna? black with a white annula- 

 tion; tergum white with six or seven broad black bands. 



Jnhab. Indiana. 



Head white; a broad black vitta extending from the 

 antennae to the black occiput, two black abbreviated lines 

 beneath the antenna?, each terminating near an indented 

 point; mandibles brown at tip, a black line from their 

 ba^e to the tip: anfennsr black: 9 to the 17 joints incln- 



