Cissidium peruviense sp. nov.

urn:lsid:zoobank.org:act: B8474470-95D2-499D-AC25-C85C29FB795D

Fig. 100

Etymology

Named after the country where the specimens were collected.

Material examined

Holotype PERU • ♀; Cusco Dept, Villa Carmen Field Station, 1.7 km west of cafeteria research transect; 12.89250 S, 71.41917 W; 555 m a.s.l.; 21–22 May 2011; D.J.Bennett and E. Razuri leg.; MUSM.

Paratypes PERU • 3 ex.; same collection data as for holotype; one mounted verso, one missing elytron, one missing both elytra; MUSM, SEMC, BMNH • 1 ex., same collection data as for holotype but flight intercept trap; 26–28 May 2011; mounted verso; BMNH • 1 ex., same collection data as for holotype as for preceding but 22–24 May 2011; missing elytron; BMNH .

Description

SIZE. Habitus (Fig. 100A), length 0.70 mm.

COLOUR. Yellow brown, shining, antennae, legs and pubescence yellow.

HEAD. With a shallow setose depression behind the eyes, width across eyes 0.20 mm; antennomeres III–XI length 0.31 mm, III–IX length 0.17 mm, X–XI length 0.14 mm; mentum as Fig 4B.

PRONOTUM. Length 0.19 mm, width 0.26 mm, sparsely pubescent, without either foveae or foveolae; sides angulate concave to rectangular hind angles, straight to rounded front angles, strongly bordered the border not continuing along the posterior margin, emargination opposite scutellum sinuate (Fig. 100B).

ELYTRA. Length 0.42 mm, width 0.36 mm, pubescence a little denser than pronotum, shallowly foveolate most noticeable in anterior half.

MESOVENTRITE. Collar with a short broad medial extension; mid-keel with concave sides, the hind angles with carinae reaching the mesocoxal borders, sharply raised medially with ± three setae; keel tapering to parallel-sided before a pointed tip at interruption point of mesocoxal borders; mesoventral lateral margins angulate with rounded convex extrusion at the angle, without serrations; humeri sharply toothed (Fig. 100C).

METAVENTRITE. Length 0.15 mm, with scattered pubescence, female disc simple, male medially depressed, width between spines 0.12 mm; margins of mesocoxal cavities serrate.

WINGS. Macropterous.

GENITALIA. Female spermatheca globular.

Remarks

Distinguished from the other species of smaller Peruvian Cissidium by a clearly marked median extension of the mesoventral collar.