62 
1874. Xematua ventricosus Provancher. Nat. Can., vi, pp. 186-192. 
1874. Xematus ventricosus Cook. 4th Ann. Rept. St. Pom. Soc. Mich., pp. 379-380. 
1874. Xematus ventricosus Saunders. Can. Ent., VI, pp. 101-104. 
1877. Xematus ventricosus Riley. 9th Rept. Ins. Mo., pp. 7, 10, 21-22. 
1877. Xematus ventricosus Packard. 9th Rept. U. S. Geol. and Geog. Surv., 1875, 
p. 787. 
1878. Xematus ventricosus Provancher. Nat. Can., x, p. 5G. 
1879. Xematus ventricosus Riley. N. Y. Tribune, June 11, 1879. 
1880. Xematus ventricosus Fuller. Am. Ent., ill, p. 92. 
1880. Xematus ribesii Fletcher. Entom. Mag., xvi, p. 278. 
1880. Xematus ventricosus Thomas. 5th Rept. (10) Ins. 111., p. 68. 
1881. Xematus ventrii osus Coquillett. 11th Rept. Ins. 111., pp. 5, 46-48. 
1882. Xematus ventricosus Saunders. Can. Ent., xiv, p. 147. 
1883. Xematus ventricosus Lintner. Proc. Am. Assn., xxxi, pp. 471-472. 
1883. Xematus ventricosus Lintner. Psyche, iv. pp. 48-51. 
1883. Xematus ventricosus Lintner. Can. Ent., XV, p. 200. 
1883. Xt mains ventricosus Provancher. Petite Faune Ent. Can., II, p. 188. 
1883. Nematua ventricosus Fylea. Can. Ent., xv, p. 205. 
1883. Xematus ventricosus Riley. Stoddart's Encyclo. Amor.. I, pp. 135-142. 
1883. Xematus ventricosus Saunders. Ins. Inj. to Fruits, pp. 339-312, 360. 
1885. Xematus ventricosus Lintner. 2d Rept. Ins. X. V., pp. 217-221. 
1886. Xematus ventricosus Lintner. N. E. Homestead, xx, p. 189. 
1886. Xematus ventricosus Forbes. Entom. Amer.. n, p. 173. 
1887. Xematus ventricosus Lintner. Popular Gardening, II, p. 120. 
1887. Xematus ventricosus Lintner. Albany Express, xli, p. 2. 
1888. Nematua ribesii Fertiald. Mass. Hatch Exp. Sta. Bull., 2, p. 7i 
1888. Xematus ventricosus Lintner. 5th Rept. Ins. N. Y., pp. 156-157. 
1888. Xematus ventricosus Harvey. Ann. Kept. Maine Exp. Sta., pp. 182-184. 
1888. Xematus ventricosus Weed. 7th Ann. Rept. Ohio Agr. Exp. Sta., p. 152. 
1889. Xematus ribesii Fletcher. Can. Ent., XXI, p. 150. 
18S9. Xematus ventricosus Weed. Rail. Ohio Exp. Sta., II, No. 1, p. ti. 
1889. Xematus ventricosus Hall. Ins. Life. I, p. 319. 
1889. Xematus ventricosus Beckwith, Ball. IV, Del. Agr. Exp. Sta., p. 15. 
1889. Xematus ventricosus Riley and Howard. Ins. Life, I, p. 229. 
1889. Xematus ventricosus Hnlst. Cull, xi.vi. N. J. Exp. Sta., p. 8. 
1890. Pteronus ribesii Konow. Deutsch. Ent. Zeit., xxxiv, p. 246. 
1890. Xematus ventricosus Hopkins. Ann. Rept. \V. Va. Exp. Sta., p. 153. 
1891. Xematus ribesii Co<»k. Rept. Mich. Exp. Sta. 1890-91. 
1891. Xematus ribesii Fletcher. Bull. 11, Can. Cent. Farm (May). 
1892. Xematus ventricosus Garman. Bull. 40, Ky. Agr. Exp. Sta. (March). 
Female. — Length 7 to 7.5 mm.; very robust, short-bodied species; 
head rugose, punctured, thorax less so; clypeus very broadly and shal- 
lowly emarginate, sometimes almost truncate, lobes short and not very 
broad; frontal crest and sides of ocellar basin not well defined, former 
entire or indistinctly broken ; antenna! fovea rather deep at apex, oval ; 
antennae slender, slightly tapering, third joint longest; intercostal vein 
considerably anterior to basal, usually at right angles to costa; second 
recurrent frequently interstitial ; third cubital cell usually not longer 
than outer transverse vein; upper middle cell of hind wings frequently 
not reaching apex of lower or outer veins interstitial, rarely upper cell 
exceeding lower cell; stigma moderately robust, rounded on lower mar- 
gin; sheath rather narrow, rounded at extremity, hairs short; cerci 
very slender and long, not tapering; claws with rays nearly equal. 
