Curculio aino (Kono)

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 : 21

Curculio aino (Kono)

Figs. 43–44, 97–99

Balaninus aino Kono 1930:10 .

Type. Japan: examined specimen identified by Morimoto in ( BMNH), type not examined .

Diagnosis. Oval, compact, 2.7–4.0 mm (mean = 3.1 mm, n = 18) in length; 1.4–1.8 mm (mean = 1.6, n = 18); derm fuscous; rostrum with three dorsal carinae; antennal club as long as funicular segments 4–7; segment 1 of antennal club longer than funicular segment 7; disc of thorax, with small basal triangular macula of white scales proximal to scutellum; scales on pleuron of thorax bifid; mesepimeron, mesepisternum with clavate luteus scales; scales on thorax and elytra fuscous, with confused macula and fascia on elytra; base of hind femur broader than tibiae, fuscorufous, knee fuscous; tarsi piceous; metauncus bifid; sternite 1 longer than 2 behind coxal cavity. Genitalia: median lobe of aedeagus 0.6 mm (n = 1) in length, 0.2 mm (n = 1) in width, margins thin, evenly spaced from base to slightly broader apex, in lateral view rather thick, apex deflected to rather sub­acute point; apodeme 0.9 mm (n = 1) in length (Figs. 97–99).

Distribution. China: Guangxi Province, Longsheng; Yunnan Province, Xishuangbanna, Lijiang; Sichuan Province, Maerkang; Fujian Province, Shaowu, Tachuland (BPBM); Japan; Russia: Kuril Island, Kunanshir, Ivanskii; Primorie Territory, Anuchinskii District.

Remarks. Closely resembles C. misellus in general form and color, but all femora armed with small tooth, metauncus bifid.