Niptella gutta gen. et sp. nov.

urn:lsid:zoobank.org:act: B6E16C2B-3B88-418C-9536-6E235936248C

Fig. 12

Diagnosis

Determined by the form of the mesoventral keel.

Etymology

From the Latin ‘ gutta ’, meaning ‘drop’, and referring to the shape of the mesoventral keel.

Type material

Holotype MALAYSIA-BORNEO • ♀; Sarawak, 4 th division, Gunung Mulu National Park; 1930 m a.s.l.; May– Aug. 1978; P.M. Hammond and J.E. Marshall leg., BM 1978-49; BMNH.

Paratypes MALAYSIA-BORNEO • ♂; same data as for holotype; BMNH • 2 specs; same data as for preceding; 1800-1900 m a.s.l.; litter; BMNH • 1 spec. (mounted disarticulated on the slide); Sarawak, 4 th division, Gunung Mulu National Park; May–Aug. 1978; P.M. Hammond and J.E. Marshall leg., BM 1978-49; litter below comp. 4; BMNH • 1 spec.; Sarawak, Mulu; 13 Mar. 1978; N.M. Collins leg.; pitfalls in alluvial forest; BMNH .

Description

SIZE. Habitus (Fig. 12A), length 0.65 mm.

COLOUR. Yellowish brown shining, closely covered with fine pale pubescence.

HEAD. With row of postulate setae behind the eyes (Fig. 12F). Antennae very pale yellow almost translucent, antennomeres III–XI, length 0.28 mm. Eyes prominent, distance across eyes 0.24 mm. Mentum and submentum (Fig. 12D).

PRONOTUM. Length 0.19 mm, width 0.30 mm (Fig. 12F).

ELYTRA. Length 0.39 mm, width 0.35 mm. truncate.

VENTRUM. Proventrum wide before contiguous procoxae, reticulate, with scattered setae. Mesoventrum (Fig. 12G), collar not extending onto sharply toothed humeri, keel in shape of a peardrop stopping short of collar and narrowing to a point between the mesocoxae (Fig. 12H). Metaventrum (Fig. 12G), metacoxae separated by half the width of the sclerite.

ABDOMEN. Pygidium (Fig. 12E).

FEMALE GENITALIA. Spermatheca globular, very small and difficult to detect (Fig. 12B).

MALE GENITALIA. Aedeagus large (Fig. 12G).