5o 



Cincinnati Society of Natural History. 



FAMILY ICHNEUMONID^. 

 Sub-family Tryphonin.k. 

 Masoleptus Gray. 



(8) Mesoleptus fungicola, sp. n. Male — Length, 3 mm.; 

 black, polished; head large, subquadrate, wider than thorax, 

 the occiput concave ; eyes very large, extending to base of 

 the mandibles; clypeus and mandibles, except outer tooth, 

 brownish-yellow, fimbriate. Antennae filiform, 20-jointed, 

 pubescent, the basal four joints pale or yellowish, the follow- 

 ing brown-black. Thorax above convex, trilobed, the scutel- 

 lum with a deep fovea across the base, mesopleura smooth, 

 metanotum punctate and distinctly areolated. Legs, includ- 

 ing coxae, brownish-yellow, the hind coxae with a dusky 

 blotch at base. Wings hyaline, strongly iridescent, the 

 stigma and nervures piceous or dark brown, the areolet 

 oblique, subsessile. Abdomen longly petiolated, the petiole 

 linear about four times as long as thick, shagreened, and with 

 a longitudinal median furrow beyond the basal one-third, the 

 spiracles situated a little before the middle; body of abdo- 

 men long-ovate, its first and second segments (two and three 

 with petiole) margined with red at apex, they, as well as the 

 basal portion of the third segment, longitudinally aciculated, 

 the segments beyond smooth, polished. 



Hab. — Wooster, Ohio. 



Bred by Prof. F. M. Webster, from fungus, the host being 

 unknown. 



Sub-family Pimplin/E. 

 Meniscus Schiodte. 



(9) Meniscus 4-cinctus, sp. n. Male — Length, 6 mm. ; 

 black, polished ; face below antennae pale rufous ; two basal 

 joints of antennae, clypeus and mandibles pale brownish- 

 yellow ; palpi pro- and meso-sternum, anterior and middle 

 legs, including coxae, second joint of trochanters of hind legs 

 and knees, an irregular spot on each side of mesoscutum an- 



