Apoderiger grandis sp. nov.

urn:lsid:zoobank.org:act: CCB3380D-0F5D-487A-AC52-A323DFABD8C1

Figs 4I–J, 5

Diagnosis

Last antennomere slightly curved in distal portion; posterior metaventral process short, wide with straight margin; elytra with sutural and discal striae; composite tergite in posterior portion with pair of long, triangular, closely separated projections clearly exceeding posterior margin of abdomen; mesotibia with median tooth; aedeagus 2.75 × as long as wide, endophallus lacking sclerite.

Etymology

Named after the large size of the body.

Type material

Holotype

MADAGASCAR • ♂; two labels “MADAGASCAR: Antsira- / nana: R.S. Manongarivo / 20.4 km SW 219° Antana- / mbao, 1860 m, 14°2.72’S / 48°24.06’E, 3.xi.1998 ” [white, printed] // “FMHD#9S-375, montane /rainforest, sifted litter, Winkler, B.L. Fisher, / BF#1990 / FIELD MUS. NAT. HIST.” [white, printed]; MNHG.

Description

BODY. Yellowish-brown, more elongated, about 2.35 × as long as wide; body 2.20 mm long and 0.93 mm wide.

HEAD. Elongate, about 1.94 × as long as wide, about 1.55 × as long as pronotum.

ANTENNA. Trimerous, 0.71 mm long, terminal antennomere slightly curved in distal portion.

PRONOTUM. Transverse, 1.25 × as wide as long.

METAVENTRITE. Flat, triangular, with median, thin carina, posterior metaventral process short, wide with straight margin.

ELYTRA. 1.67 × as wide as long, 1.50 × as long as pronotum; sutural stria entire, weakly defined; discal stria reaching distal third of elytral length; humeri strongly projecting; lateral margin with some stout setae; posterior elytral margin in lateral third with cutout, lacking teeth.

ABDOMEN. 1.87 × as long as elytra; composite tergite in posterior portion with pair of long, triangular, closely separated projections with rounded apex, which are clearly exceeding posterior margin of abdomen.

MESOTIBIA. With obtuse, short median tooth; last tarsomere simple.

AEDEAGUS (Fig. 4I–J). Elongate, 2.75 × as long as wide, distal lobe rhomboidal, with three small lobes; basal bulb and distal lobe well-separated, ratio length of basal bulb / length of distal lobe 3.1; endophallus lacking sclerite; dorsal diaphragm elliptical.

Sexual dimorphism

As for the genus.

Distribution

Madagascar (Manongarivo Special Reserve).

Remarks

See remarks for A. torticornis .

Host ant

Paratrechina amblyops rubescens (Forel, 1892) .