Cissidium kolombangaricum, 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 : 175-177

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.3795738

persistent identifier

https://treatment.plazi.org/id/CAB500DC-351D-47A1-828B-C9207ADA4519

taxon LSID

lsid:zoobank.org:act:CAB500DC-351D-47A1-828B-C9207ADA4519

treatment provided by

Valdenar

scientific name

Cissidium kolombangaricum
status

sp. nov.

Cissidium kolombangaricum View in CoL sp. nov.

urn:lsid:zoobank.org:act:CAB500DC-351D-47A1-828B-C9207ADA4519

Figs 6M View Fig , 110 View Fig

Etymology

Johnson ms name, named after Kolombangara Island in the Solomon Islands where the specimens were collected.

Material examined

Holotype

SOLOMON ISLANDS • ♂; Kolombangara , near Kuzi; 8–9 Sep. 1965; forest litter on coral limestone; P.N. Lawrence leg.; BMNH.

Paratype

SOLOMON ISLANDS • 1 ♀; Kolombangara , north of Kuzi; 500 ft a.s.l.; 6 Oct. 1965; forest litter; no.721-750; P.N. Lawrence leg.; MMUE.

Description

SIZE. Habitus ( Fig. 110A View Fig ), length 0.72 mm.

COLOUR. Yellow brown, pubescence and antennomeres slightly paler.

HEAD. With a shallow transverse depression behind the eyes; eyes large, width across 0.21 mm; antennomeres III–XI length 0.29 mm, III–IX length 0.16 mm, X–XI length 0.13 mm; mentum sides slightly tapering posteriorly, front angles rounded.

PRONOTUM. Length 0.17 mm, width 0.30 mm, base with series of four or five foveae on each side, the two series hardly separated opposite scutellum; slightly smaller foveae anterior to these at sides of disc; lateral margins sharply angled, almost parallel to rectangular hind angles, front angles prominent, rounded, conspicuously bordered, borders not continued along the posterior margin, medial emargination in front of scutellum sinuous ( Fig. 110B View Fig ).

ELYTRA. Length 0.44 mm, breadth 0.40 mm, basal third rather sparsely foveate.

MESOVENTRITE. Median process of collar pointed; mid-keel widest anteriorly, sides straight to posterior angles with carinae to mesocoxal anterior borders, sharply raised with ridged top to junction with keel; keel foveolate and setose, parallel-sided to rounded termination beneath interruption point of mesocoxal margins; mesoventral lateral margins serrate ( Fig. 110C View Fig ).

METAVENTRITE. Length 0.12 mm, pubescence very sparse almost entirely confined to lateral borders, width across spines 0.11 mm, disc strongly, triangularly depressed with a distinct medial fovea posteriad to mesocoxae.

GENITALIA. Male aedeagus ( Fig. 6M View Fig ).

Remarks

The male aedeagus of this species separates it from the other Solomon Islands Cissidium .

BMNH

United Kingdom, London, The Natural History Museum [formerly British Museum (Natural History)]

MMUE

United Kingdom, Manchester, The University, Manchester Museum

MMUE

Museum of Manchester University

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Ptiliidae

Genus

Cissidium

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF