. Brigham Young University science bulletin. Biology -- Periodicals. 224 Brigham Young University Science Bulletin Dorsal surface clothed with rather long, erect, simple, pale hairs, intermixed with recumbent, moderately thick, pallid to silvery, sericeous pu- bescence. Hemelytra pallid, a rounded small black spot on inner or membrane margin of paracuneus. Membrane pale white, rather uni- formly sprinkled with very small pale fuscous dots; veins pallid, areoles also with the fine dots. Ventral surface uniformly pallid, tinged slight- ly yellow; venter with erect long hairs. Legs also pallid, c
. Brigham Young University science bulletin. Biology -- Periodicals. 224 Brigham Young University Science Bulletin Dorsal surface clothed with rather long, erect, simple, pale hairs, intermixed with recumbent, moderately thick, pallid to silvery, sericeous pu- bescence. Hemelytra pallid, a rounded small black spot on inner or membrane margin of paracuneus. Membrane pale white, rather uni- formly sprinkled with very small pale fuscous dots; veins pallid, areoles also with the fine dots. Ventral surface uniformly pallid, tinged slight- ly yellow; venter with erect long hairs. Legs also pallid, clothed with erect long pale hairs, tibial spines and erect hairs longer than elsewhere; tarsi and claws yellowish. Holotype: 9 June 20, 1965, Area 401M, Nevada Test Site (H. H. Knight & J. M. Merino), taken on Atriplex canescens. Paratypes: 3 9 taken with the types. Fhijtocoris nigrolineatus, new species Fig. 262 Distinguished by the long first antennal seg- ment, which in length exceeds width of prono- tum at base, white above, with a black line each side that extends full length of segment. Male. Length mm, width mm. Head: width mm, vertex .51 mm; pallid, frons with oblique black lines each side, median line white, edged with black; clypeus with a median black line, forked on basal one-third to form a Y. Rostrum, length mm, reaching upon fifth ventral segment, pale, apical half brownish black. Antennae: segment I, length mm, white, ventral surface black, dorsal aspect with a heavy black line from base to apex, outer later- al aspect with a more slender black line; clothed with fine, recumbent pale pubescence, with just a few short erect bristles; II, mm, slender, pale yellowish brown, pallid at base, apex blackish; III, mm, black, pallid at base; IV, mm, black. Pronotum, length mm, width at base mm; disk pallid, shaded with fuscous and black; basal edge and lateral mar- gin white, bordered by black, median line white, edged with
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