. Bulletin - United States National Museum. Science. 38 U. S. NATIONAL MUSEUM BULLETIN 216 2. Trieces costatus (Davis) Figures 178,m; 180,b Chorinaeus costatus Davis, 1897, Trans. Amer. Ent. Soc, vol. 24, p. 211; d", ?. Lectotype: 9, New Hampshire (Philadelphia). Chorinaeus -pusillus Davis, 1897, Trans. Amer. Ent. Soc, vol. 24, p. 211; d\ $ (new synonymy). Lectotype: ?, Washington (Philadelphia). Front wing to mm. long; face about as wide as high, with moderate sized punctures that are separated by about their diameter; face and clypeus in profile moderately convex; attach
. Bulletin - United States National Museum. Science. 38 U. S. NATIONAL MUSEUM BULLETIN 216 2. Trieces costatus (Davis) Figures 178,m; 180,b Chorinaeus costatus Davis, 1897, Trans. Amer. Ent. Soc, vol. 24, p. 211; d", ?. Lectotype: 9, New Hampshire (Philadelphia). Chorinaeus -pusillus Davis, 1897, Trans. Amer. Ent. Soc, vol. 24, p. 211; d\ $ (new synonymy). Lectotype: ?, Washington (Philadelphia). Front wing to mm. long; face about as wide as high, with moderate sized punctures that are separated by about their diameter; face and clypeus in profile moderately convex; attachment of front tentorial arm making a long line dorsomesad from clypeal fovea; eye of male without hairs, of female with very short sparse hairs; mandible of female very slender, with few or no punctures distad of its. Figure 17.—Localities for Tri- eces costatus. basal , its upper tooth rather elongate and its lower tooth very small (in other species of the genus, the mandible is stouter, punctate to beyond its basal , and with the two teeth more nearly equal); flagellum of male with about 36 segments, of female with about 32 segments; metapleurum with a broad band of hairs dorsally, which is interrupted near its front end so that there is a small separate patch of about 12 hairs in front upper corner of metapleurum; wrinkles of metapleurum moderately coarse, extending forward nearly to middle of metapleurum; propodeal spiracle elliptic, barely separated from pleural carina; front spur of middle tibia about as long as hind spur; second segment of middle tarsus about as long as wide in male, about as long as wide in female; second abdominal tergite about as long as wide in male, about as long as wide in female, its punctures of moderate size, close, a little elongate; sublateral longitudinal carina on third tergite extending to its length, in some males present also on basal part of fourth tergite. Black. Face, often lower lateral corner of
Size: 1857px × 1345px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
