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. Brigham Young University science bulletin. Biology -- Periodicals. MlRJDAE OF THE NEVADA TEST SlTE cuneus more pallid and shaded with green; membrane pale dusky brown, veins pallid. Ven- tral surface pallid to light dusky brown. Legs pallid to dusky brown, hind femora with a few fuscous dots; tibial spines dusky brown. Venter pallid to greenish; genital segment distinctive, tergite with two small, short spinelike processes to left of median line, and one long slender pro- cess on the right side (Fig. 136). Female. Length mm, width mm. Rostrum, length mm, reaching to middle of hin
. Brigham Young University science bulletin. Biology -- Periodicals. MlRJDAE OF THE NEVADA TEST SlTE cuneus more pallid and shaded with green; membrane pale dusky brown, veins pallid. Ven- tral surface pallid to light dusky brown. Legs pallid to dusky brown, hind femora with a few fuscous dots; tibial spines dusky brown. Venter pallid to greenish; genital segment distinctive, tergite with two small, short spinelike processes to left of median line, and one long slender pro- cess on the right side (Fig. 136). Female. Length mm, width mm. Rostrum, length mm, reaching to middle of hind coxae. Antennae: segment I, length .41 mm; II, mm, cylindrical, slightly more slen- der on basal half, pallid to greenish yellow; III, mm, dusky brown; IV, .41 mm, fuscous. Color pallid to light green, corium more dusky brown. More robust than the male but color and pubescence very similar. Holotype: tf April 14, 1940, Mohawk, Ari- zona (L. L. Stitt). Allotype: 9 taken with the type. Paratypes: 4cT taken with the types on Chaenactis, which should be the host plant. rf April 17, 1937; 2cT March 24, 1939, Yuma Coun- ty, Arizona (L. L. Stitt). Hcspewcapsus demensus (Van Duzee) Fig. 132 Orthotylus demensus Van Duzee, 1925:398. Pseudopsallus demensus Knight, 1930:8. This species was described from Prescott, Arizona, and I have since recognized it from Larimer County, Colorado. Structures of the genital segment are distinctive, having two ter- gal processes, the one on the right side bifurcate on apical half (Fig. 132). Hesperocapsus abroniae (Knight) Fig. 137 Pseudopsallus abroniae Knight, 1930:5. A pale dusky species; three tergal processes relates this species to arlemisicola Kngt. in struc- ture, but size smaller and color different (Fig. 137). This species was described from Fort Lupton, Colorado, where it was breeding on Abroniae elliptica. It was recorded from Phoenix, Arizona; and now 6cj" April 17, 1937, Yuma County, Arizona (L. L. Stitt). Hesperocapsus anog
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