Curculio fausti Pelsue and Zhang

Frank W. Pelsue, Jr. & Zhang, Runzhi, 2000, A Review Of The Genus Curculio L. From China With Descriptions Of New Taxa. Part I (Coleoptera: Curculionidae: Curculioninae: Curculionini), The Coleopterists Bulletin 54 (2), pp. 125-142 : 139-141

Curculio fausti Pelsue and Zhang , new species

Figs. 22–23 , 32–34

Holotype. China. Emei Shan : male[ China / Sichuan /Emei Shan/550–750 M/ 01 May 1957 / Z. Wang] ( IZAS)

Recognition Characters. Second segment of funiculus longer than first; elytral striae deep with flat intervals, clothed with elongate decumbent testaceous scales, with two feeble dirty white fascia past the midpoint. Hind femur exceeding apex of abdomen. Derm fuscous except for the fuscorufous antennae.

Description. Male. Length: 4.7 mm. Width: 2.5 mm. Head. Small slightly convex; punctures small with small, narrow, elongate, testaceous scales; eyes large, broadly oval, moderate facets; frons 0.23 as broad as head across eyes, with longer, narrow, elongate, decumbent testaceous scales; interocular fovea lacking. Rostrum. Length: 3.0 mm, 0.64 as long as body; cylindrical; sides subparallel gradually tapering from base to apex; gradually emerging from head; median carina from frons to midway between base and antennal insertion; punctures oval from frons to antennal insertion; gradually and evenly curved; scrobe lateral; scape inserted a midpoint. Antennae. Length of scape 1.4 mm, funicular segment one 0.33 mm, two 0.44 mm, three 0.25 mm, four 0.15 mm, five 0.15 mm, six 0.15 mm, seven 0.15 mm, club 0.50 mm; funicle 1.62 mm; scape 0.87 as long as funicle; funicular segments essentially glabrous except for long sparse setae toward apex of each segment maintaining same thickness from segment one through seven; club compact oval, vestiture velvety with few erect setae, as long as funicular segments four through seven combined. Thorax. Length: 1.4 mm. Width: 2.0 mm, 0.70 as long as broad; disc slightly convex in lateral view, sides broadly rounded gradually tapering to constriction; impressed laterally; disc punctures small and close together, with narrow, elongate, decumbent, testaceous scales, no defined macula; basal margin sinuate; indication of a middorsal carina; mesosternal intercoxal process feeble or absent; scutellum scutate, as broad as long, with narrow, elongate, decumbent, white scales, set in declivity; mesepimeron, mesepisternum and metepisternum clothed with narrow, elongate, decumbent, dirty white scales. Elytra. Length: 3.0 mm. Striae deep and prominent; humeri slightly prominent, rounded; intervals broad, flat and densely clothed with narrow, elongate, decumbent, testaceous scales, faint indication of two fascia past the midline; disc flat in lateral view; crosshatch setae short, decumbent, piceous, from basal third to apex of elytra. Legs. Length of hind femur 2.5 mm, exceeds apex of abdomen; tooth on all femora moderate in size and wedge shaped; hind femur with two lateral carinae from base to club; derm fuscous; vestiture of elongate densely packed with testaceous scales; hind tibia sinuate with densely packed testaceous scales; pro­ and mesouncus moderate as long as tarsal claw, metauncus small not as long as tarsal claw. Abdomen. Sternite one as long as two behind coxal cavity; sternite two ascending to three; sternites three and four equal in length, longer than five combined; five with apical margin deeply emarginate with lateral tufts of white setae; vestiture of all sternites of narrow, elongate, decumbent, dirty white scales. Pygidium . Small, compactly clothed with narrow, testaceous setae. Genitalia. median lobe 1.3 mm in length, 0.3 mm in width; apodeme 0.9 mm in length; median lobe wider basely, gradually tapering toward apex with dorsal sclerotized margin widening toward distal end forming a slot then broadening prior to the bend to a slightly twisted apex ( Fig. 32).

Plant Associations. Unknown.

Distribution. China. Sichuan Province, Emei Mt., 550–1,000 m., 01 May 1957, Z. Wang Collector. Unique.

Figures

Figs. 22–23. Curculio fausti male, habitus, dorsal and lateral views, holotype. Various scales.