Cissidium tigrum Darby, 2015

Figs 2I, 4B, 5D, 6I, 106

Material examined

Holotype BOLIVIA • ♂; cochabamba Dep., Cristal Mayu River valley ca 20 km W of Villa Tunari; 17°00′55″ S, 65°37′48″ W; 550 m a.s.l.; 24 Nov. 2013; sifting litter; Winkler app. extr.; P. Baňař leg.; UASC.

Paratype BOLIVIA • 1 ♂; same collection data as for holotype; MMUC .

Supplementary description

The following description amplifies the type description of Darby (2015), by adding more details of the meso- and metaventral characters, in order to conform with the entries in the present paper.

SIZE. Habitus (Fig. 106A), length 0.63 mm.

COLOUR. Colour light brown, antennae and legs dusky yellow.

HEAD. Antennomeres III–XI 0.38 mm long, III–IX 17 mm long, X–XI 21 mm long (Fig. 2I); distance across eyes 0.21 mm; mentum and submentum (Fig. 4B).

PRONOTUM. 0.25 mm wide, 0.16 mm long, sparsely pubescent; sharply angled in anterior half then concave to rectangular hind corners and slightly convex to obtuse anterior corners, bordered, the border not continuing along the posterior margin, emargination in front of scutellum well marked (Fig. 106B).

ELYTRA. 0.39 mm long, 0.32 mm wide, area around scutellum more closely foveolate.

MESOVENTRITE. Medial extension of collar small, short, parallel-sided; mid-collar widest basally tapering strongly to base of keel with two small medial points not reaching mesocoxal anterior borders as carinae; keel parallel-sided with ± three setae, bluntly terminating between the mesocoxae (Fig. 5D); mesoventral lateral margins effaced; humeri large, toothed with a long, strongly sloping posterior margin (Fig. 106C).

METAVENTRITE. Length 0.13 mm, disc simple, width across spines 0.10 mm, spines short.

Remarks

Distinguished from all other species of Cissidium in this paper by the shape of the male antennomere XI (Fig. 2I).