Cissidium puncticolle, Darby, 2020

Darby, Michael, 2020, A revision of Cissidium Motschulsky (Coleoptera: Ptiliidae) with seventy seven new species, European Journal of Taxonomy 622, pp. 1-188 : 95-97

Cissidium puncticolle sp. nov.

urn:lsid:zoobank.org:act:A871108B-C662-4087-A519-031E0CD92BEE

Fig. 61

Etymology

Johnson ms name after the dense foveolae on the dorsum.

Material examined

Holotype

NEPAL • ♂; Ulleri ; 83°44′ E, 28°21′ N; 6000–7000ft a.s.l.; 18 May 1954; dry soil in deciduous forest; K.H. Hyatt leg.; BMNH.

Paratypes

NEPAL • 1 ♀, same collection data as for holotype; MMUE • 4 ex.; Barahbise geg, Ting-Sang-La; H. Franz leg.; MMUE, BMNH .

There is also a slide of the genitalia of a male in the BMNH: “ NEPAL, Sikha, 83°40’E 28°26’N, 24– 26.v.1954, 8000ft ”.

Description

SIZE. Habitus ( Fig. 61A), length 0.59 mm.

COLOUR. Yellow brown, antennae, legs and pubescence yellow. HEAD. Antennomeres III–XI length 0.30 mm, III–IX length 0.15 mm, X–XI length 0.15 mm; width across eyes 0.21 mm; mentum as Fig. 4A.

PRONOTUM. Length 0.16 mm, width 0.24 mm, densely pubescent and foveolate the foveolae less pronounced medially at base and one or two enlarged almost foveae; lateral margins rounded straightening to obtuse hind angles, bordered, the border continuing along the posterior margin to the angulate medial emargination opposite the scutellum ( Fig. 61B).

ELYTRA. Length 0.42 mm, width 0.33 mm, pubescent and foveolate as pronotum.

MESOVENTRITE. With a narrow, parallel-sided median extension; mid-keel with two carinae anteriorly joining collar to create two large depressions, collar at this point not reticulate, widening slightly posteriorly, hind angles meeting mesocoxal anterior borders; keel tapering to a sharp point just below interruption of mesocoxal margins; mesoventral lateral margins without serrations; humeri with large prominent teeth ( Fig. 61C).

METAVENTRITE. Sparsely pubescent, disc simple, length 0.15 width between spines 0.11 mm; margins of posterior mesocoxal cavities serrate.

WINGS. Male apterous? No trace of wings found in dissection. Female macropterous.

GENITALIA. Male aedeagus as Fig. 6 Fa–b.

Remarks

The only species of Cissidium recorded from Nepal in this group.