Cissidium longum, Darby, Michael, 2019
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publication ID |
https://doi.org/ 10.5852/ejt.2019.512 |
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publication LSID |
urn:lsid:zoobank.org:pub:8DF89CFD-A549-4C69-8FBC-90EC8DEA9A66 |
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DOI |
https://doi.org/10.5281/zenodo.5941276 |
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persistent identifier |
https://treatment.plazi.org/id/13E2EA7B-06BD-4758-9B6C-56BEDAD14F29 |
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taxon LSID |
lsid:zoobank.org:act:13E2EA7B-06BD-4758-9B6C-56BEDAD14F29 |
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treatment provided by |
Plazi |
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scientific name |
Cissidium longum |
| status |
sp. nov. |
Cissidium longum View in CoL sp. nov.
urn:lsid:zoobank.org:act:13E2EA7B-06BD-4758-9B6C-56BEDAD14F29
Figs 6E View Fig , 7B View Fig , 8D View Fig
Diagnosis
Identified by the form of the mesoventrum which is unlike any other Sarawak Cissidium .
Etymology
Refers to the form of the keel and lateral margins of the mesoventrum.
Type material
Holotype
MALAYSIA-BORNEO • ♀; Sarawak, 4 th division, Gunung Mulu National Park ; May–Aug. 1978; P.M. Hammond and J.E. Marshall leg., BM 1978-49 ; base comp, alluvial forest litter near laboratory; BMNH.
Description
SIZE. Habitus ( Fig. 6E View Fig ), length 0.67 mm.
COLOUR. Yellow, shining, antennae, legs and pubescence yellow. HEAD. Distance across eyes 0.20 mm; antennomeres III–XI, length 0.37 mm; mentum lateral margins sinuate, anterior border straight.
PRONOTUM. Length 0.19 mm, width 0.29 mm, foveolate throughout, foveolae forming short longitudinal depressions at base, side margins strongly sinuate, hind angles acute ( Fig. 7B View Fig ).
ELYTRA. Length 0.43 mm, width 0.37 mm, foveolate throughout, evenly rounded, broadest at middle.
VENTRUM. Mesoventrum without pubescence, collar sharply angled posteriorly at humeri, angles projecting, lateral margins straight meeting posterior margin at rounded right angle, without serrations, keel flat topped and parallel sided, widening and stopping short of the collar, tapering slightly between
mesocoxae ( Fig. 8D View Fig ). Metaventrum with scattered pubescence, metacoxae separated by ¼ width of the sclerite.
Remarks
The mesoventral characters suggest that this species belongs either to a subgenus of Cissidium or to a separate genus.
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.