Cissidium robustum, Darby, 2020
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publication ID |
https://doi.org/ 10.5852/ejt.2020.622 |
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publication LSID |
lsid:zoobank.org:pub:9CD3B2CD-F072-4994-8CA9-24145D343401 |
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DOI |
https://doi.org/10.5281/zenodo.3795604 |
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persistent identifier |
https://treatment.plazi.org/id/8AB09488-EE5E-4F80-AAAE-71E8885D9187 |
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taxon LSID |
lsid:zoobank.org:act:8AB09488-EE5E-4F80-AAAE-71E8885D9187 |
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treatment provided by |
Valdenar |
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scientific name |
Cissidium robustum |
| status |
sp. nov. |
Cissidium robustum View in CoL sp. nov.
urn:lsid:zoobank.org:act:8AB09488-EE5E-4F80-AAAE-71E8885D9187
Fig. 41 View Fig
Etymology
Johnson ms name, from the Latin adjective ‘ robustus ’, meaning ‘strong, robust’ and probably referring to appearance of the species.
Material examined
Holotype
SOLOMON ISLANDS • ♂; Guadalcanal, Mt. Austen ; 19 Jun. 1963; no. 6487; P. Greenslade leg.; BMNH.
Description
SIZE. Habitus ( Fig. 41A View Fig ), length 0.63 mm.
COLOUR. Dark yellow brown, pubescence, legs and antennae dusky yellow.
HEAD. With a shallow median depression between the eyes and a narrow linear ridge posterior to this, width across eyes 0.22 mm; antennomeres III–XI, 0.38 mm; mentum obscured.
PRONOTUM. Length 0.18 mm, width 0.28 mm, base with a series of four foveae on each side with slightly wider separation opposite the scutellum, the two inner pairs larger than the outer pair, surface sparsely pubescent without foveolae; sides angulate, convexly narrowed to effaced front angles, concavely narrowed to slightly acute hind angles, sides bordered, the borders not continuing along the posterior margin though there are two short, shallow impressed lines on each side of the median emargination opposite the scutellum ( Fig. 41B View Fig ).
ELYTRA. 0.36 mm wide, 0.40 mm long, basal half somewhat closely covered with rather large foveolae contrasting with the pronotum.
MESOVENTRITE. Medial extension of collar very widely based, sharply tapering to raised portion of mid-keel; mid-keel wide, sides concave, the hind angles effaced before mesocoxae; keel with ± five setae in basal half tapering to almost parallel-sided, with a rounded termination at base of mesocoxae; mesoventral lateral margins serrate in posterior half ( Fig. 41C View Fig ).
METAVENTRITE. Length 0.15 mm, sparsely pubescent, disc simple, distance across spines 0.11 mm.
WINGS. Macropterous.
GENITALIA. Male aedeagus as Fig. 6 View Fig Fa–b, but slightly longer. Females unknown.
Remarks
Distinguished from other Solomon Islands species in this group by the wider mid-keel.
| BMNH |
United Kingdom, London, The Natural History Museum [formerly British Museum (Natural History)] |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.