Cissidium clareae, 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 : 30-32

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.3795524

persistent identifier

https://treatment.plazi.org/id/60592E41-BF69-4746-87C0-58D9D06F6370

taxon LSID

lsid:zoobank.org:act:60592E41-BF69-4746-87C0-58D9D06F6370

treatment provided by

Valdenar

scientific name

Cissidium clareae
status

sp. nov.

Cissidium clareae View in CoL sp. nov.

urn:lsid:zoobank.org:act:60592E41-BF69-4746-87C0-58D9D06F6370

Figs 6G View Fig , 19 View Fig

Etymology

Johnson ms name, named after his wife Clare.

Material examined

Holotype

SOLOMON ISLANDS • ♂; Guadalcanal, Mt. Austen ; 14 Jul. 1964; no. 16411; P.J.M. Greenslade leg.; BMNH.

Paratypes

SOLOMON ISLANDS • 1 ♀; Guadalcanal, Mt. Austen ; 14 May 1963; no. 6018; P. Greenslade leg.; BMNH 2 ♂♂, same collection data as for preceding but 20 May 1963; no 6100; BMNH 2 ♂♂, same collection data as for preceding but 19 Jun. 1963; no. 6487; BMNH 1 ♂; same collection data as for preceding but 1 Jul. 1963; no. 1269; MMUE 1 ♀; same collection data as for preceding but 29 Jun. 1963; no. 11031; BMNH 1 ♂; same collection data as for preceding but 22 Jul. 1963; no. 11278; MMUE 1 ♀; same collection data as for preceding but 13 Oct. 1963; no. 11326; MMUE 1 ♂; Mt. Jonapau ; 3500–3750 ft a.s.l.; 6 May 1965; P. Greenslade leg.; BMNH 1 ♂; Nuhu ; 1000 ft a.s.l.; 28–31 Oct. 1965; forest litter; P.N. Lawrence leg.; MMUE 1 ♀; Popomanasiu ; 5000 ft a.s.l.; Oct. 1965; litter sample 6; no. 20489; P. Greenslade leg.; BMNH 1 ♀; New Georgia, Kolombangara; nr Kuzi ; 50 ft a.s.l.; 8 Sep. 1965; 781–800 m a.s.l.; valley litter; P.N. Lawrence leg.; BMNH 1 ♀, same collection data as for preceding; 3–9 Sep. 1965; forest litter; BMNH .

Additional material

SOLOMON ISLANDS • 1 ♀; New Georgia , Wagina Is.; 3 Jul. 1965; no. 23223; P. Greenslade leg.; BMNH .

Description

SIZE. Habitus ( Fig. 19A View Fig ), length 0.66 mm.

COLOUR. Yellow.

HEAD. Without a clear linear depression behind the eyes, width across eyes 0.21 mm; antennomeres III–XI length 0.44 mm; mentum as Fig 4A. View Fig

PRONOTUM. Length 0.20 mm, width 0.28 mm, sparsely pubescent with a series of six foveae along the posterior margin in two pairs of three separated by a wider median gap; lateral margins sharply angled, concave posteriorly to rectangular hind angles, strongly bordered, the border not extending along the posterior margin which has a sinuous emargination before the scutellum ( Fig. 19B View Fig ).

ELYTRA. Length 0.44 mm, width 0.39 mm, pubescent, foveate in basal third.

MESOVENTRITE. Medial extension of collar onto mid-keel pointed; mid-keel wider anteriorly, posterior corners clearly reaching mesocoxae, sharply raised medially before keel; keel with ± two setae, parallelsided to a blunt termination beyond interruption of mesocoxal margins; mesoventral lateral margins serrate in posterior half; humeri bluntly toothed ( Fig. 19C View Fig ).

METAVENTRITE. Length 0.16 mm, with scattered pubescence and a shallow linear depression posterior to mesocoxae, disc in male strongly depressed, female with a small median fovea posterior to mesocoxae, width across the short triangular spines 0.12 mm; posterior margins of mesocoxal cavities serrate.

WINGS. Macropterous.

GENITALIA. Male aedeagus Fig. 6G View Fig . Female spermatheca globular.

Remarks

Distinguished from the other Cissidium in this group from the Solomon Islands by the absence of a medial extension of the mesoventral collar.

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

SubFamily

Ptiliinae

Tribe

Discheramocephalini

Genus

Cissidium

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