. Bulletin - United States National Museum. Science. ICHNEUMON-FLIES OF AMERICA: 1. METOPIINAE 211 This group contains the Nearctic species described below, which is known only in the male sex. A female specimen, from Venezuela, may represent the other sex of the same species or may belong to a second species of the group. 20- Exochus sulca 1 us, new species Figures 188,i; 189,g; 193,a Male type: Front wing mm. long; punctures on frons separated by about their diameter; second lateral area of propodeum with about five hairs apically; punctures on second abdominal tergite separated by a
. Bulletin - United States National Museum. Science. ICHNEUMON-FLIES OF AMERICA: 1. METOPIINAE 211 This group contains the Nearctic species described below, which is known only in the male sex. A female specimen, from Venezuela, may represent the other sex of the same species or may belong to a second species of the group. 20- Exochus sulca 1 us, new species Figures 188,i; 189,g; 193,a Male type: Front wing mm. long; punctures on frons separated by about their diameter; second lateral area of propodeum with about five hairs apically; punctures on second abdominal tergite separated by about 4 times their diameter; apex of clasper strongly depressed so that from above it appears obliquely truncate. Very pale stramineous. Spot enclosing ocelli and expanded on occiput, blackish; scape and flagellum blackish; mesoscutum blackish, its hind margins and a pair of short, obscure median lines stramineous ; postscutellum and disc of scutellum blackish; propodeum with a large, median equilateral blackish triangle, the base of the triangle on the base of the propodeum; basal of hind tibia infuscate; front face of hind tibia with a faintly infuscate stripe; abdomen blackish, pale stramineous below, on the base and side of the first tergite, side of the second tergite, and broad apicolateral corner, broad lateral edge, and narrow apical edge of third and following tergites. Type: cF, Moorestown, N. J., July 21, 1939, H. and M. Townes (Washington, USNM 63656). Figure 125.—Locality for Ex- ochus We have also a female specimen (San Esteban, Venezuela, Dec. 20, 1939, P. J. Anduze (Townes)) which may belong to this species. It differs from the male only in being a little more sparsely punctate and in minor color characters. This is the specimen that was used for the figures cited Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations m
Size: 1852px × 1350px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
