68 Descriptiom of new species of Hymenoptera. 
ICHNEUMON. Linn. Fabr. 
1. 1. parata. Antennae black with a whitish annula- 
tion; tergum yellow, with five or six blackish bands. 
Inhah, Indiana. 
Head yellow; disk of the vertex and of the occiput 
black; antennse 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; scutel and small spot behind it, 
yellow; metathorax, 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 emarginated in their middles; 
beneath yellow; pectus and postpectus with the trans- 
verse incisure, black; posterior feet, coxae above except- 
ing at tip, thighs excepting at base, tibise 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. Antennse black with a white annula- 
tion; tergum white with six or seven broad black bands. 
Inhah. Indiana. 
i^eai/ white; a broad black vitta extending from the 
antennse to the black occiput, two black abbreviated lines 
beneath the antennae, each terminating near an indented 
point; mandibles brown at tip, a black line from their 
base to the tip; antennse black; 9 to the 17 joints inclu- 
