. Brigham Young University science bulletin. Biology -- Periodicals. Miridae of the Nevada Test Site 119 19. Embolium and corium exterior to radial vein, clear translucent; length mm albocostatus Van D. Embolium and corium not clear or different from other areas of corium 20 20. Bristles on dorsal surface golden brown 91 Bristles on dorsal surface fuscous to black .95 21. Bostrum reaching upon hind coxae, or bevond 00 Bostrum only reaching upon middle coxae 93 22. Bostrum reaching upon hind coxae; length mm atriplicis, n. sp. Bostrum reaching behind posterior coxae; length mm brind
. Brigham Young University science bulletin. Biology -- Periodicals. Miridae of the Nevada Test Site 119 19. Embolium and corium exterior to radial vein, clear translucent; length mm albocostatus Van D. Embolium and corium not clear or different from other areas of corium 20 20. Bristles on dorsal surface golden brown 91 Bristles on dorsal surface fuscous to black .95 21. Bostrum reaching upon hind coxae, or bevond 00 Bostrum only reaching upon middle coxae 93 22. Bostrum reaching upon hind coxae; length mm atriplicis, n. sp. Bostrum reaching behind posterior coxae; length mm brindleyi, n. sp. 23. Length of second antenna] segment distinctly greater than width of pronotum 24 Length of second antennal segment subequal to width of pronotum at base; male left clasper forming over half of a semicircle (Fig. 147); lengdi mm utaliensis, n. sp. 24. Male left clasper not forming half a semicircle (Fig. 172); color pallid, mem- brane nearly clear; length mm stitii, n. sp. Male left clasper forming more than half a semicircle (Fig. 174); color green, membrane uniformly fuscous; length mm uniformis, n. sp! 25. Pallid to white, spotted with blue green 9g Color yellowish to grass green, the green color not aggregated into spots; length 46 mm mistus Kngt. 26. Bostrum reaching beyond apex of hind coxae eurotiae, n. sp. Bostrum almost attaining apex of hind coxae senectus Van D. Melanotrichus viridicatus (Uhler) Fig. 155 Orthotylus viridicatus Uhler, 1895:48. Melanotrichus viridicatus Knight, 1927:142. Becords from the Nevada Test Site: Area 16M, 9 Aug. 17, 1965; Area 19M, 4 9 June 22 1965. This species is also known from Colorado, Wyoming, Idaho, and Utah. Melanotrichus tibialis (Van Duzee) Fig. 154 Orthotylus tibialis Van Duzee, 1916:93. Melanotrichus tibialis Knight, 1927:142. This species was originally described from Fallen Leaf Lake, California, and has not been reported from elsewhere. New record from Ne- vada: is 10 9 July 11, 1965, alt. 6500 ft, abo
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