Acrotrichis muluensis sp. nov.

urn:lsid:zoobank.org:act: 910829FF-4316-4109-A7BC-12C0D115A618

Fig. 21

Diagnosis

The form of the genitalia distinguishes this species.

Etymology

Refers to the place of capture.

Type material

Holotype MALAYSIA-BORNEO • ♂; Sarawak, 4 th Division, Gunung Mulu National Park; 100–500 m a.s.l.; I. Hanski leg., BM 1978-524; pitfall trap fish bait, MD forest; BMNH.

Paratypes MALAYSIA-BORNEO • 4 specs; same data as for holotype; BMNH • 4 specs; Sarawak, 4 th division, Gunung Mulu National Park; 100-500 m a.s.l.; Mar.–May 1978; I. Hanski leg., BM 1978-524; pitfall trap fish bait MD forest; BMNH • 1 ♀ (mounted disarticulated on the slide); same data as for preceding; 500–800 m a.s.l.; forest slope 17-21; BMNH .

Note

Many further examples of this species by association from these and other locations returned to alcohol.

Description

SIZE. Habitus (Fig. 21A), length 0.68 mm.

COLOUR. Dark yellowish brown, head darker, antennae and legs yellow, covered with yellow overlapping pubescence.

HEAD. Distance across eyes 0.28 mm; antennomeres III–XI, length 0.30 mm; mentum anterior margin concave, corners obtuse, anterior margin shorter than posterior (Fig. 21F).

PRONOTUM. Length 0.22 mm, width 0.44 mm, sides strongly rounded in posterior half, angles right angled (viewed from 45°), posterior margin strongly sinuate.

ELYTRA. Length 0.42 mm, width 0.44 mm, with narrow epipleura in anterior half. VENTRUM. Mesoventrum reticulate, without pubescence, keel obliterated before collar, tapering posteriorly to a fine point between the mesocoxae (Fig. 21G). Metaventrum reticulate, pubescent, posterior margin between metacoxae narrow with two right angled points at corners, ± 1⁄6 the width of the sclerite.

ABDOMEN. Pygidium with three pairs of longer setae on lateral margins and a pointed apex, anterior border with setae.

FEMALE GENITALIA. Spermatheca (Fig. 21E, H).

MALE GENITALIA. Aedeagus (Fig. 21D).