. Brigham Young University science bulletin. Biology -- Periodicals. 88 Bricham Young University Science Bulletin 4. Antlike species with abdomen more or less constricted at base PILOPHORIM. p. 159 Body not antlike in form 5. Second, third and fourth segments of antennae subequal in thickness CERATOCAPSINI, p. 155 Second antenna] segment somewhat thicker than the third and fourth segments ORTHOTYLINI, p. 92 Tribe semiini Genus Semium Reuter Semium subglaber Knight Semium subglaber Knight, 1927:26. I have identified the following specimens from the test site: Area 18M, ef July 22, 1965; Area 19


. Brigham Young University science bulletin. Biology -- Periodicals. 88 Bricham Young University Science Bulletin 4. Antlike species with abdomen more or less constricted at base PILOPHORIM. p. 159 Body not antlike in form 5. Second, third and fourth segments of antennae subequal in thickness CERATOCAPSINI, p. 155 Second antenna] segment somewhat thicker than the third and fourth segments ORTHOTYLINI, p. 92 Tribe semiini Genus Semium Reuter Semium subglaber Knight Semium subglaber Knight, 1927:26. I have identified the following specimens from the test site: Area 18M, ef July 22, 1965; Area 19M, d" June 23, 1965; Area 401M, 2 9 June 18, 1965. Specimens were collected on Euphorbia albomarginata. This species was described from Arizona (Knight, 1927), and was unknown elsewhere until the present study. Tribe labopim Genus Labops Burmeister Labops hesperius Uhler Labops hesperius Uhler, 1872:416. Labops hesperius Knight, 1922:258. Labops hesperius Carvalho, 1958:19. This species is known from Alberta, Oregon, Washington, Idaho, Montana, Utah, Colorado, and Wyoming. Labops hirtus Knight Fig. 60 Labops hirtus Knight, 1922:258. Labops hirtus Knight, 1923:501, Fig. 19. Labops hirtus Slater, 1954:62, figs. This species is known from New York, Colo- rado, Wyoming, Montana, Idaho, Oregon, Wash- ington, Alberta, and British Columbia. A new record for Nevada is d" June 16, 1960, Canyon Creek, alt. 7000 ft, Humboldt County (F. D. Parker). Labops utahensis Slater Labops utahensis Slater, :62, key, figs. This species is known from Utah, and is probably limited in distribution to the Great Fig. 107. Semium hirtum Rent, $ . Genus Labopella Knight Labopella claripennis Knight Fig. 108 Labopella claripennis Knight, 1929:215. This species was described from a single female collected July 12, 1917, at Deming, New Mexico (H. H. Knight). Not until forty-eight years later was it taken again when a nice series was collected Aim. 15, 1965, at Fort Davis, Texas (J. C. Sc


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