Cissidium sawadai Darby, 2015

Darby, Michael, 2020, A revision of Cissidium Motschulsky (Coleoptera: Ptiliidae) with seventy seven new species, European Journal of Taxonomy 622, pp. 1-188 : 162-163

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.3795724
persistent identifier	https://treatment.plazi.org/id/039987A1-38B3-FF6C-2B14-FEE5FDBDFB9F
treatment provided by	Valdenar
scientific name	Cissidium sawadai Darby, 2015
status

Treatment

Cissidium sawadai Darby, 2015 View in CoL

Figs 5E View Fig , 6C View Fig , 102 View Fig

Material examined

Holotype

BOLIVIA • ♀; Santa Cruz Dep., W of Amboro NP Barientos; 18°06′ 06″ S, 63°48′08″ W; 1813 m a.s.l.; 29 Nov. 2013; sifting litter; Winkler app. extr.; P. Baňař leg.; UASC.

GoogleMaps

Paratype GoogleMaps

BOLIVIA • 1 ♀; Santa Cruz Dep., W of Amboro NP, Barientos GoogleMaps ; 18°06′00″ S, 63°48′05″ W; 1817 m a.s.l.; 29 Nov. 2013; sifting litter; Winkler app. extr.; P. Baňař leg.; MMBC.

Supplementary description

The following description amplifies the type description of Darby (2015), by adding more details of the meso- and metaventral characters in order to conform with the entries in the present paper.

SIZE. Habitus ( Fig. 102A View Fig ), length 0.84 mm.

COLOUR. Yellowish brown, legs and antennae lighter.

HEAD. Antennomeres III–XI 0.37 mm long, III–IX 23 mm long, X–XI 0.14 mm long.

PRONOTUM. 0.34 mm wide, 0.22 mm long, with scattered pubescence and shallow foveolae; lateral margins angulate thence almost straight to obtuse anterior angles and concave to rectangular hind angles ( Fig. 102B View Fig ).

ELYTRA. 0.55 mm long, 0.4 mm wide, more strongly and densely foveolate than the pronotum.

MESOVENTRITE. Medial process of collar short, widening with concave sides onto the mid-keel; mid-keel parallel-sided after widening anteriorly immediately before the collar, posterior corners not extending to the mesocoxal anterior borders, medial extension to keel with ± six setae; keel with a single seta, narrow, barely tapering to point below mid-point of the mesocoxae ( Fig. 5E View Fig ); mesoventral lateral margins without serrations; humeri strongly toothed ( Fig. 102C View Fig ).

METAVENTRITE. Length 0.13 mm, sparsely pubescent, disc simple, points long tapering to setal width, distance across points 0.11 mm; posterior margins of mesocoxae without serrations.

GENITALIA. Female spermatheca elongate ( Fig. 6C View Fig ).

Remarks

The largest of the six Bolivian Cissidium , except for C. lisae , from which it may be separated by the shape of the mesoventral keel.