254 [April 



of its entire surface, all bright yellow ; scutellum rather convex an 1 

 polished, entirely yellow, as well as a small transverse spot on postseu- 

 telluiu ; metathorax finely rugose, pale yellow, tinged with dull ferrugi- 

 nous at base, the extreme basal and apical sutures, ami two spots on 

 the extreme lateral margin, black, the elevated lines tolerably well de- 

 fined, the central area moderate, and subquadrate. Wings subhyaline, 

 slightly stained with yellowish-fuscous, especially along the nervures ; 

 nervures ferruginous, paler at base ; areolet 5-angular, or subtriangular. 

 Legs, including the coxae, yellow; the femora behind, and the posterior 

 legs more or less ferruginous; the anterior and posterior coxae at base 

 beneath, and tips of the posterior tibiae, black. Abdomen elongate, 

 rather slender, bright yellow; basal segment bilineated, ferruginous, 

 yellow at tip and shading into blackish towards the base ; second seg- 

 ment with a transverse ferruginous stain near the tip, the basal foveae 

 deep, somewhat linear and fuscous, as well as the incisure at base; 

 third segment entirely bright yellow, except the basal incisure which is 

 narrowly black; three following segments dull ferruginous, the fourth 

 and fifth broadly, the sixth narrowly margined at tip with yellow, with 

 a more or less broad transverse black mark at base ; apical segment 

 fulvo-ferruginous; beneath pale yellow, the basal segment black, and 

 the apical segments more or less fulvous. Length 65 lines; expanse 

 of wings 9 1 lines. 



One specimen. Allied to Ich. Grotei, but quite distinct. 



20. Ichneumon Grotei, Cresson. 



Ichneumon Grotei, Cresson, Proc. Ent. Soc. Philad. iii, p. 154. 

 Five % specimens. 



21. Ichneumon rubellus. n. sp. 



Black : face, base of antennae beneath, tegulae, a spot before and a spot be- 

 neath the wings, scutellum, mark on metathorax behind and most of legs, 

 yellow : abdomen, except basal segment and incisures, ferruginous ; wings sub- 

 hyaline: central area of metathorax quadrate. 



Male. — Black ; face, clypeus, inner orbits, mandibles except tips, and 

 palpi, bright yellow; antennae more than half the length of the body, 

 dull black, scape beneath bright yellow. Thorax .shining, finely and 

 rather closely punctured ; tegulae, a line before and a short one beneath 

 the tegulae, yellow; scutellum yellow; metathorax finely rugose, the 

 elevated lines distinct, the central area moderate, quadrate, posterior 

 lace with a large yellow mark, sometimes reduced and forming a W. 

 Wings subhyaline, sometimes uniformly pale fuscous, yellowish at base; 

 stigma generally ferruginous; areolet 5-angular. Legs yellow; the 

 four anterior femora with a black spot behind ; the posterior coxae, 



