Cissidium werneri, 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 : 97-98

publication ID	https://doi.org/ 10.5852/ejt.2020.622
publication LSID	lsid:zoobank.org:pub:9CD3B2CD-F072-4994-8CA9-24145D343401
DOI	https://doi.org/10.5281/zenodo.3795650
persistent identifier	https://treatment.plazi.org/id/7F7CA60C-3DA3-4EB2-9B12-9D3F0D01A04B
taxon LSID	lsid:zoobank.org:act:7F7CA60C-3DA3-4EB2-9B12-9D3F0D01A04B
treatment provided by	Valdenar
scientific name	Cissidium werneri
status	sp. nov.

Treatment

Cissidium werneri View in CoL sp. nov.

urn:lsid:zoobank.org:act:7F7CA60C-3DA3-4EB2-9B12-9D3F0D01A04B

Fig. 62 View Fig

Etymology

Named after the collector, Dr Floyd G. Werner.

Material examined

Holotype

PHILIPPINES • ♂; Mindanao , Burungket , Upi, Cotobato Prov.; 1500 ft a.s.l.; 1–6 Jan. 1949; by waving fine meshed net over forest floor in late afternoon; F.M. Werner leg.; ( HD) # 47; FMNH.

Description

SIZE. Habitus ( Fig. 62A View Fig ), length 0.72 mm.

COLOUR. Dark red brown, pubescence antennae and legs dusky yellow.

HEAD. Strongly foveolate with a setose linear depression between eyes, width across eyes 0.22 mm; antennomeres III–XI length 0.27 mm, III–IX length 0.13 mm, X–XI length 0.14 mm.

PRONOTUM. 0.18 mm long, 0.31 wide; pubescent, strongly foveolate throughout, without basal foveae; lateral margins rounded then shallowly concave to rectangular hind angles, sides conspicuously bordered, the border continued along the lateral margin to the sinuous median emargination opposite the scutellum ( Fig. 62B View Fig ).

ELYTRA. Length 0.51 mm, width 0.41 mm; pubescent with shallow foveolae contrasting strongly with the pronotum.

MESOVENTRITE. Median process of collar onto mid-keel broad, widening posteriorly; mid-keel wide, sides concave, anterior margin slightly wider than posterior which has well marked flat carinae joining the mesocoxal margins, raised medially to a point before the keel; keel with ± four setae, tapering to a rounded point at the interruption of the mesocoxal border; mesoventral lateral margins serrate; humeri toothed ( Fig. 62C View Fig ).

METAVENTRITE. Length 0.13 mm, disc simple, distance across spines 0.07 mm; posterior margins of mesocoxae serrate.

WINGS. Macropterous.

GENITALIA. Male aedeagus as Fig. 6 View Fig Ia–b. Females unknown.

Remarks

One of the only two species of Cissidium in this group from the Philippines. Distinguished from C. mindanao sp. nov. by the less densely foveolate pronotum.