Curculio sellatus (Marshall)

Pelsue, Frank W., 2010, Description of a neotype and designation of four lectotypes from Borneo in the genus Curculio (Coleoptera: Curculionidae), Zootaxa 2384, pp. 44-52 : 49-51

Curculio sellatus (Marshall)

Balaninus sellatus Marshall 1919: 395

Type material: Neotype male:“ Borneo, Sabah, TrusMadi 1900m / 200km ESE Cota [= Kota ] Kinabalu / 20- 24-V-1995 / UV light” and “ J. Matsu & D. Bouchard / equator montane for.” and “ NEOTYPE Curculio sellatus (Marshall) des. Pelsue 2005” ( BMNH).

Other specimen: male same data as Neotype ( CWOB).

Description: Male 3.6 mm long; 1.7 mm wide. Head with large punctures and well defined margins; glabrous; eyes round, finely faceted; frons 0.20 as broad as head across eyes with deep interocular foveae. Rostrum 2.8 mm long; 0.77 as long as body; derm piceous; thickened at base with narrow apex; continuous with frons; dorsally with fine narrow punctures, laterally above scrobe carinae with deep oval punctures from base to insertion of scape; straight to antennal insertion then slightly deflexed to apex; apex enlarged as broad as area of antennal insertion; scape inserted in basal ½; scrobe ventral, scape reaching eye. Antennal scape 1.2 mm long; funicle 0.9 mm long; club 0.7 mm long; scape 1.3 longer than funicle; antennomere 1 twice as long as 2, 3 longer than 4, 4–5 same length, 6–7 same length broader than 5, antennomeres 5–7 with long, stiff, piceous bristles; club longer than antennomeres 2–7, antennomere 1 longer than 2, 1 three times as long as 7. Thorax 1.2 mm long, 1.5 mm wide; 0.8 as long as broad; derm piceous; base almost as broad as base of elytra, lateral margins angled in straight line to constriction; disc with indication of median carinae, mostly glabrous with median basal macula of clavate, rubiginose scales and few clavate, white scales; slightly convex in lateral view; mesoventral intercoxal process not visible in lateral view, covered with short, narrow, white scales; scutellum small, round, clothed with rubiginose scales; mesepimeron, mesepisternum, metasternum clothed with clavate, rubiginose scales. Elytra with striae narrow, deep; shallow scutellar declivity; humeri rounded; intervals broad, 1–5 with vittae of clavate, rubiginose scales, intervals 6–8 with scattered scales, 9– 10 with vittae from distal 1/3 to apex; crosshatched setae short, piceous, flat in lateral view. Metafemur with small tooth, reaching apex of elytra; pro-mesofemoral teeth very small; left proleg, left mesoleg and right metaleg present, remaining legs wanting; clothed with small, narrow, recumbent, white scales. Abdominal sternum I longer than II behind coxal cavity; sternum 2 as long as 3–4; sternum 5 longer than 3+4 with emarginated apex and lateral tufts of shout seta-like scales margining median declivity. Pygidium piceous with median transverse carinae and short piceous hair-like scales to apex.

Distribution: Malaysia: Borneo, Sarawak, Puak; Sabah: Trus Madi.

Differential diagnosis: This species could be confused with Indocurculio nigromarginalis (Heller) proposed new comb. Pelsue (2009) with fulvus scales, but C. sellatus has a distinctly different rubiginose scale pattern on the dorsum of the thorax and a longer rostrum.