Tillicera callosa Gerstmeier & Bernhard, 2010

Gerstmeier, Roland & Bernhard, Nadine, 2010, Revision of the genus Tillicera Spinola, 1841 (Coleoptera: Cleridae, Clerinae), Zootaxa 2359 (1), pp. 1-34 : 14-15

Tillicera callosa Gerstmeier & Bernhard n. sp.

( Figs. 4 , 25 )

Holotype: ♀. India, West Bengalen, Distr. Darjeeling, Kurseong, Rapesing, 1400 m, 13.8.1996, leg. N. Dangal ( RGCM).

Length: 9mm (1 specimen).

Collecting period: August.

Head: Black, glossy, anterior part of clypeus, labrum and palpi brown, posterior part of clypeus black; distributed with fine and diffuse punctation; cranium vested with erect, pale and dark setae; head including eyes slightly broader than anterior width of pronotum.

Antennae: Dark brown to black, vested with depressed, short, dark setae; antennomeres triangularly dilated from A5 onwards, A10 approximately as long as wide.

Pronotum: Red-brown to brown; surface finely and densely punctate; vested with anteriorly directed erect, predominantly dark and shorter, depressed, pale setae; length:width ratio 0.96:1 (broadest in middle).

Scutellum: Brown, finely punctate, vested with pale setae.

Elytra: Black, with two broad, pale pigmented transverse fasciae in middle and apical third, with dense, depressed, pale setae; humeral callous present; basal third regularly and deeply punctate in rows towards posterior fascia, diameter of punctures broader than interstices, apex densely and finely punctate; basal region with long, erect, dark setae, central region with semi-decumbent, posteriorly directed, short, dark setae, apex with longer, pale setae; length:width ratio 2.03:1.

Legs: Dark brown to black, meso- and metafemora basally paler, with dense, pale, erect setae; tibiae without carinae.

Ventral surface: Abdomen dark brown to black, thorax brown, with dense, depressed, pale setae.

Distribution: India.

Etymology: The trivial name callosa is a Latin adjective; we refer to the characteristic elytral humeral callosity.

Differential diagnosis to T. michaeli : The new species is similar to T. michaeli n. sp., but the vestiture of T. michaeli is more strongly golden and glossy than in T. callosa n. sp.; the transverse fasciae are pigmented pale in T. callosa n. sp., not in T. michaeli n. sp.

Figures

FIGURE 25: Distribution of Tillicera callosa n. sp..

FIGURES 1–6: Dorsal habitus of Tillicera spp.. Fig. 1. Tillicera auratofasciata. Fig. 2. Tillicera aurivillosa. Fig. 3. Tillicera bibalteata. Fig. 4. Tillicera callosa n. sp.. Fig. 5. Tillicera cleroides. Fig. 6. Tillicera cleroides ab. bicoloricollis.