. Bulletin - United States National Museum. Science. 24 U. S. NATIONAL MUSEUM BULLETIN 216 margin straight; mandible about as long as wide, its upper tooth somewhat larger than its lower tooth, its outer face smooth, with some large weak punctures; flagellum with about 28 segments in male, with about 23 segments in female; metapleurum with scattered hairs in its upper ; 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 tergite with or without a longitudinal carina ju
. Bulletin - United States National Museum. Science. 24 U. S. NATIONAL MUSEUM BULLETIN 216 margin straight; mandible about as long as wide, its upper tooth somewhat larger than its lower tooth, its outer face smooth, with some large weak punctures; flagellum with about 28 segments in male, with about 23 segments in female; metapleurum with scattered hairs in its upper ; 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 tergite with or without a longitudinal carina just mesad of its spiracle, the tergal sculpture composed of coarse, subadjacent punctures with a tendency to longitudinal wrinkling between the punctures; apex of penis as in Chorinaeus junebris, without setae. Colored like Chorinaeus excessorius except that hind coxa is blackish with apex ferruginous. Specimens: 29, Big Delta, Alaska, June 24 and 30, 1951, W. R. M. Mason (Ottawa), cf, Vancouver, B. C. (Washington), cf, 29, San Francisco, Calif., Apr. 10, 1907, E. C. Van Dyke (San Francisco and Townes). 9, San Francisco, Calif., May 10, 1908, E. C. Van Dyke (Townes). d" (type), Santa Cruz Mts., Calif. (Washington). 9, Stin- son Beach, Calif., Apr. 6, 1951, E. I. Schlinger (Townes). cf, Easton, Wash. (Washington). The range is from Alaska to southern California. 5. Chorinaeus opacitas Davis Figure 178,f Chorinaeus opacitas Davis, 1897, Trans. Amer. Ent. Soc, vol. 24, p. 210; 9 ⢠Type: ?, Nevada (Philadelphia). Front wing to mm. long; face about as high as mouth is wide in male, about as high in female; central of clypeal margin a little up-bowed; mandible about as long as wide, its. If N ' 7 ^ââ *â / Figures 8-10.âLocalities: 8 (left), Chorinaeus californicus; 9 (center), C. opacitas; 10 (right), C. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - color
Size: 1883px × 1326px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
