Cissidium ikeuchii Sawada, 2008
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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.3795622 |
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persistent identifier |
https://treatment.plazi.org/id/039987A1-385C-FF81-2B1A-FB05FCC6FCB5 |
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treatment provided by |
Valdenar |
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scientific name |
Cissidium ikeuchii Sawada, 2008 |
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Cissidium ikeuchii Sawada, 2008 View in CoL
Fig. 50 View Fig A–C
Material examined
Paratypes
JAPAN • 4 ♀♀; Honsyu, Mt. Wasamatayama , Nara Pref.; 10 Aug. 1989; R. Ikeuchi and Y. Sawada leg.; YS.
Supplementary description
The following description amplifies the type description of Sawada (2008) to conform with the format of the entries in the present paper.
SIZE. Habitus ( Fig. 50A View Fig ), length 0.65 mm.
COLOUR. Reddish brown to dark brown, antennae dusky yellow.
HEAD. With a row of indistinctly formed foveolae on a level with the back of the eyes; antennomeres III–XI, length 0.27 mm.
PRONOTUM. Length 0.19 mm, width 0.32 mm, densely foveolate and pubescent throughout; side margins rounded, slightly concave before obtuse hind angles, with a shallowly crenulate border, hind margin without an emargination in front of the scutellum ( Fig. 50B View Fig ).
ELYTRA. Length 0.42 mm, width 0.37 mm, pubescent but without foveolae; apex of male elytra strongly sinuate before suture and with two subconical raised areas.
MESOVENTRITE. Median extension of collar broadest anteriorly tapering only very slightly to mid-keel; mid-keel and keel united without extensions to the anterior mesocoxal borders, strongly setose and sculpted, terminating in a point between the mesocoxae; humeri toothed; mesoventral lateral borders smoothly rounded without serrations ( Fig. 50C View Fig ).
METAVENTRITE. Sparsely pubescent, length 0.13 mm, width across spines 0.11 mm, disc simple; mesocoxal posterior borders without serrations
GENITALIA. Female spermatheca globular. Male aedeagus as Fig. 6 View Fig Fa–b.
Remarks
This is the smallest of the Japanese species and it is unique amongst the species described here in having strongly sinuate and subconical apices to the male elytra.
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.