Cissidium lamington, 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 : 47-49

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.3795576
persistent identifier	https://treatment.plazi.org/id/C49061B6-8A0D-4C18-9DD4-CA06BC9D4F13
taxon LSID	lsid:zoobank.org:act:C49061B6-8A0D-4C18-9DD4-CA06BC9D4F13
treatment provided by	Valdenar
scientific name	Cissidium lamington
status	sp. nov.

Treatment

Cissidium lamington View in CoL sp. nov.

urn:lsid:zoobank.org:act:C49061B6-8A0D-4C18-9DD4-CA06BC9D4F13

Fig. 30 View Fig

Etymology

Named after the Lamington National Park, part of the Gondwana Forest World Heritage Area on the Gold Coast of Queensland, Australia where the insect was collected. Noun in apposition.

Material examined

Holotype

AUSTRALIA • ♂; S. Queensland, Picnic Rock Trail, O’Reilly’s, Lamington Nat. Park ; 3 Sep. 1966; R.A. Crowson leg.; MMUE.

Description

SIZE. Habitus ( Fig. 30A View Fig ), length 0.72 mm.

COLOUR. Yellow brown.

HEAD. With a shallow fovea between the eyes, width across eyes 0.22 mm; antennomeres III–XI length 0.38 mm, III–IX length 0.25 mm, X–XI length 0.13 mm; mentum sides rounded.

PRONOTUM. Length 0.18 mm, width 0.30 mm, pubescent the setae sparse on the disc, more numerous near the sides, with a row in basal third of two pairs of four foveae separated by the width of the scutellum, lateral margins rounded then almost parallel-sided to rectangular hind angles, bordered, the border not continuing along the posterior margin which has a sinuous emargination opposite the scutellum ( Fig. 30B View Fig ).

ELYTRA. Length 0.49 mm, width 0.35 mm, foveolate in basal third, pubescence as pronotum.

MESOVENTRITE. Medial extension bluntly pointed; mid-keel widened anteriorly, posterior corners not reaching mesocoxae, sharply raised medially before junction with keel; keel with ± six setae, parallelsided, terminating below midpoint of the mesocoxae; mesoventral lateral margins with serrations in basal third; humeri toothed, the posterior border long ( Fig. 30C View Fig ).

METAVENTRITE. Length 0.18 mm, distance across the narrow, sharply pointed spines 0.10mm, disc simple; posterior margins of mesocoxae not serrate.

WINGS. Macropterous.

GENITALIA. Male aedeagus as Fig. 6 View Fig Fa–b. Females not known.

Remarks

See remarks under C. deanei sp. nov. The narrow, pointed median extension of the mesoventral collar coupled with the setose keel distinguish this species.