Apoderiger grandis, Hlaváč, 2025

Hlaváč, Peter, 2025, The Pselaphinae (Coleoptera: Staphylinidae) of Madagascar. VIII. Revision of the myrmecophilous clavigerine genus Apoderiger Wasmann, 1897, European Journal of Taxonomy 981, pp. 76-95 : 93-94

publication ID

https://doi.org/10.5852/ejt.2025.981.2811

publication LSID

lsid:zoobank.org:pub:75250E3D-A78F-44F3-87F2-4823E5BD59E1

DOI

https://doi.org/10.5281/zenodo.15120452

persistent identifier

https://treatment.plazi.org/id/038C879D-FFDF-EC36-FDAD-FE14FD5BFD3D

treatment provided by

Plazi

scientific name

Apoderiger grandis
status

sp. nov.

Apoderiger grandis sp. nov.

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

Figs 4I–J View Fig , 5 View Fig

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.

GoogleMaps

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 View Fig ). 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) .

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

SuperFamily

Staphylinoidea

Family

Staphylinidae

SubFamily

Pselaphinae

SuperTribe

Clavigeritae

Tribe

Clavigerini

Genus

Apoderiger

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF