Curculio gangkuensis Pelsue and Zhang, 2002

Pelsue, Frank W. & Zhang, Runzhi, 2002, A Review Of The Genus Curculio From China With Descriptions Of New Taxa. Part III. The Curculio subfenestratus Voss Group (Curculionidae: Curculioninae: Curculionini), The Coleopterists Bulletin 56 (1), pp. 1-39 : 32-33

Curculio gangkuensis Pelsue and Zhang , new species

Figs. 49–50

HOLOTYPE. China. Gang­ku : male [ China /Fukien (Fujian)/Gang­ku/ 27 July 1936 / J. L. and M. Gressitt] ( BPBM).

Description. Male: length: 3.8 mm (n = 1). width: 2.5 mm (n = 1). Head: small; punctures small with short, narrow, elongate, ochraceous scales; frons, 0.17 as broad as head across eyes, vestiture of short, narrow, elongate, ochraceous scales; deep slit­like interocular fovea. Rostrum: length: 2.1 mm (n = 1); 0.55 as long as body; 3 dorsal carinae, median fuscorufous, lateral carinae piceous with deep oval punctures between carinae; longitudinal slit­like fovea at antennal insertion; punctures small, round to apex; straight to antennal insertion then gradually arced to apex; scrobe ventral; scape inserted at midpoint. Antennae: length: scape 0.9 mm, funiculus: segment one 0.3 mm, two 0.3 mm, three 0.15 mm, four 0.1 mm, five 0.2 mm, six 0.1 mm, seven 0.15 mm, club 0.3 mm, funicle 1.3 mm (n = 1); scape 0.69 as long as funicle; funicular segments glabrous; club small, acuminate, compact, longer than funicular segments 5–7. Thorax: length: 1.3 mm (n = 1). width: 1.8 mm (n = 1); 0.72 as long as broad; disc margins evenly rounded to constriction, punctures small, clothed with narrow, elongate, ochraceous scales dorsally, clavate scales on pleuron; base subsinuate; flat in lateral view; mesosternal intercoxal process feebly prominent, clothed with dirty white scales; scutellum small, longer than broad, almost triangular with fine ochraceous scales; mesepimeron, mesepisternum, and metepisternum clothed with clavate, ochraceous scales. Elytra: length: 3.0 mm (n = 1); striae deep with deep punctures set with short, narrow, elongate, ochraceous scales; scutellar declivity wanting; convex in lateral view; humeri rounded; intervals broad, flat, clothed with short, broad, clavate, ochraceous scales some fuscous scales mixed; crosshatched setae short, ochraceous. Legs: length of hind femur 1.7 mm (n = 1), slightly exceeds apex of abdomen; teeth on all femora small, acute; femoral base slender, clava medium­sized, derm of base fuscopiceous, clava fuscorufous, apex piceous; vestiture of all femora of elongate, clavate, ochraceous scales; tibiae straight, pro­, meso­ and metauncus small. Abdomen: sternite 2 longer than 1 behind coxal cavity, with deep median declivity, ascending to 3; sternites 3 and 4 equal in length, combined longer than 5; sternite 5 with emarginate apex and median apical declivity with lateral tufts of seta­like scales; vestiture of all sternites with short, clavate, ochraceous scales. Pygidium : small, with short tuft of ochraceous to testaceous seta­like scales. Genitalia: not dissected.

Remarks. Similar to C. obrieni n. sp., but length of scape longer than funicular segments 1–6.

Etymology. Named for the type locality, ‘‘ Gang­Ku.’’

Figures

Figs. 49–50. Curculio gangkuensis n. sp. Male, habitus dorsal and lateral views, holotype. Figs. 51–52. Curculio obrieni n. sp. Male, habitus dorsal and lateral views, holotype. Figs. 53–54. Curculio brittanyae n. sp. Male, habitus dorsal and lateral views, holotype. Various scales.