252 [April 



and black, and the wings are more or less varied with yellowish ; these 

 two specimens have the appearance of being distinct species, but only 

 in the coloration, which can scarcely be a guide in such a variable spe- 

 cies as this. 



16. Ichneumon inconstans. Cresson. 



Ichneumon inconstans, Cresson, Proc. Ent. Soc. Philad. iii, p. 153. 

 Two % specimens. 



17. Ichneumon infucatus, n. sp. 



Black : face, clypeus, scape of antennre beneath, tegulae and a spot before 

 and beneath, scutellum, niost of legs, and most part of three basal segments of 

 abdomen, yellowish: wings fusco-hyaline ; central area of metathorax quad- 

 rate. 



Male. — Black, clothed with short fuscous pubescence; face and cly- 

 peus, yellow ; palpi testaceous, black at base ; tips of mandibles brown ; 

 antennae more than half the length of the body, dull black, slender at 

 tips, the basal joint beneath yellow. Thorax very closely punctured, 

 especially on the pectus and pleura which are indistinctly striated; a 

 cuneiform spot before and a short line beneatb the wings, yellow; scu- 

 tellum subconvex, polished, entirely pale yellow, with a deep excavation 

 in front, and the spaces on each side very much depressed ; metathorax 

 coarsely rugose, the elevated lines tolerably well denned, the central 

 area rather large and quadrate, slightly rounded in front; tegulae pale 

 yellowish, dusky behind. Wings uniformly fuscodiyaline, tinged with 

 yellowish; nervures fuscous, stigma fulvous; areolet subtriangular. 

 Legs black; anterior femora except b.ise. mid lie trochanters beneath, 

 tips of their femora, spot on the posterior trochanters beneath, extreme 

 base of their femora, the four anterior tibiae, basal two-thirds of the 

 posterior pair, and all the tarsi, yellow, the latter more or less dusky at 

 tips. Abdomen elongate, rather robust towards the base, closely punc- 

 tured ; basal segment broad at tip, bilineated, indistinctly striated, the 

 dilated portion at tip yellowish-ferruginous, margined on the sides and 

 behind with yellow, and shading into brown-black towards the base, 

 sides of the segment transversely striated ; second and third segments 

 orange-yellow, the basal foveas of the second segment as well as the 

 basal half of the lateral margin, and basal margin of third segment, 

 black; fourth segment dull orange-yellow, with the basal margin, dilated 

 in the middle, black ; remaining segments black, narrowly margined at 

 tip with ferruginous, the extreme tip fulvo-ferruginous ; beneath varied 

 with yellow and dull fulvous. Length 7 lines ; expanse of wings 1 1 lines. 



One specimen. Closely allied to Ich. inconstans, but is shorter, more 

 robust, more roughly punctured and somewhat differently colored, espe- 



