Cissidium nomurai Sawada, 2008

Fig. 58

Material examined

Paratypes JAPAN • 2 ex.; Kyusyu, Mt Tsubakiyama, Hatayama Town, Saga; 16 Jun. 1990; S. Nomura leg.; YS • 1 ex.; Kyusyu, Shiratani, Yakushima Is., Kagoshima Pref.; 15 May 1987; S. Nomura leg.; BMNH • 1 ex.; Kyusyu, Miike, Miyazaki Pref.; 8 May 1985; S. Nomura leg.; YS • 3 ex.; Kyusyu, Mt. Ichihusa, Kumamoto Pref.; 13 May 1985; S. Nomura leg.; BMNH • 1 ex.; Kyusyu, Okinawa, Ryukyu, Gaji rindô, NE of Mt Terukubi; 290 m a.s.l.; 21.x.1987; Y. Nishikawa leg.; YS • + 20 further ex. from various locations in Japan; YS.

Supplementary description

The following description amplifies the type description of Sawada (2008) in order to conform with the entries in the present paper.

SIZE. Habitus (Fig. 58A), length 0.55 mm.

COLOUR. Reddish brown to dark brown, antennae, legs and pubescence dusky yellow.

HEAD. With a transverse row of indistinctly formed foveolae between the eyes; width across the eyes 0.16 mm.

PRONOTUM. Length 0.17 mm, width 0.24 mm, densely pubescent and distinctly foveolate throughout; side margins rounded to concave before rectangular hind angles, narrowly bordered, the border continuing for a short distance along the side of the posterior margin which is with an almost imperceptible emargination opposite the scutellum (Fig. 58B).

ELYTRA. Length 0.34 mm, width 0.27 mm, pubescent, more widely distributed than pronotum shallowly foveolate contrasting with the pronotum.

MESOVENTRITE. Median extension of collar parallel sided; mid-keel widest anteriorly tapering posteriorly to junction with keel; keel setose and strongly sculpted, terminating below the mid-point of the mesocoxae; mesoventral lateral margins curved strongly posteriorly; humeri toothed (Fig. 58C).

METAVENTRITE. Foveolate on disc which is slightly depressed, length 0.11 mm, distance across spines 0.09 mm; mesocoxal posterior borders without serrations.

GENITALIA. Male aedeagus as Fig. 6 Fa–b, but beak not so strongly bent. Female spermatheca turbinate.

Remarks

This is one of three species in this group from Japan and differs from C. latum in being narrower and from C. itoi in the form of the female spermatheca.