. Brigham Young University science bulletin. Biology -- Periodicals. Weevils of the Nevada Test Site 2. Bicolored, three brown stripes on pronotiim and numerous browm patches on elytra; erect setae of upper surface club-Hke, several times as long as broad echinus Van Dyke Unicolored, cinereous; erect setae of upper surface peg-like or tubercular; but little longer than broad tinicolor Van Dyke Eucylhts vagans Horn Fig. 4 Reference. Horn, 1876:75. Morphological characteristics. Eucijllus va- gans is an elongate oval species, densely clothed with scales and grayish setifonn hairs. Head and rostr
. Brigham Young University science bulletin. Biology -- Periodicals. Weevils of the Nevada Test Site 2. Bicolored, three brown stripes on pronotiim and numerous browm patches on elytra; erect setae of upper surface club-Hke, several times as long as broad echinus Van Dyke Unicolored, cinereous; erect setae of upper surface peg-like or tubercular; but little longer than broad tinicolor Van Dyke Eucylhts vagans Horn Fig. 4 Reference. Horn, 1876:75. Morphological characteristics. Eucijllus va- gans is an elongate oval species, densely clothed with scales and grayish setifonn hairs. Head and rostrum not as long as , covered with cinereous and pale-brownish scales , and short erect hairs; prothorax cylindrical, slightly wider than long, disc sparsely punctured, densely scaly and with some hairs. Elytra twice as long as wide, finely striate, fine punctures on the striae, intervals flat; long erect hairs on each interval. Venter of body scaly, with some short setae. Legs with cinereous scales; femora with dark ring near tip. Length 7 mm, width 3 Plant relationships. A total of 42 specimens was collected, mostly during 1961 (Table 1). Table 1. Collection records of EucyUus vagans at the Nevada Test Site. Area Plant Host° or Community Month and Number of Specimens 1 5 6 Grayia-Lycium Larrea Lycium ML\ed AprU I. May 2 May 1. June 1, Sept. 2, Oct. 3, Nov. 3 Sept. 2, Nov. 1 Nov. 1 10 Coleogyne April 1, Aug. 1, Oct. 1, Nov. 1 12 16 Grayia-Lycium Pinyon-Juniper 'Eurotia lanata June 1 Aug. 1 June 1 23 Mixed Oct. 6, Nov. 6 28 Mixed Feb. 2, Oct. 1, Nov. 1 Cane Springs Mixed May 1, Oct. 1 Fig. 4. Eucijllus vagans, dorsal view EitcijUus tinicolor Van Dyke Reference. Van Dyke, 1936:32. Morphological characteristics. Euci/Uiis tini- color is a small species, unicolored, lacking browTi stripes common to other two species, cinereous with erect setae which are peg-like or tubercular. Prothorax with sides less broadly rounded, elytra narrower with striae deeper and w
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