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.

Figures

Fig. 61. Cissidium puncticolle sp. nov. A. Habitus. B. Pronotum, × 425. C. Mesoventrite showing median process of collar, mid-keel, keel and lateral margin with very protuberant humerus, × 660.

Fig. 4. Menta and submenta. A. Cissidium petri Darby, 2015, × 1380. B. Cissidium tigrum Darby, 2015, × 1220. C. Cissidium amboroense Darby, 2015, × 1260. D. Cissidium losbanos sp. nov., × 1100. E. Cissidium triangulum Darby, 2019, × 650. F. Cissidium pilosellum sp. nov., × 1420.

Fig. 6. Figures to show genitalia types. – Spermathecae. A. Cissidium bilineatum sp. nov. B. Cissidium amboroense Darby, 2015. C. Cissidium sawadai Darby, 2015. D. Cissidium arcuatum sp. nov. E. Cissidium murphyi sp. nov. – Aedeagi. F. Cissidium petri Darby, 2015. G. Cissidium clareae sp. nov. H. Cissidium fraternum sp. nov. I. Cissidium tigrum Darby, 2015. J. Cissidium apterum sp. nov. K. Cissidium brachypterum sp. nov. L. Cissidium greensladei sp. nov. M. Cissidium kolombangaricum sp. nov. N. Cissidium mindanao sp. nov.