Apoderiger spinosus ( Dajoz, 1982 )

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 : 87-89

Apoderiger spinosus ( Dajoz, 1982)

Figs 4E–F , 5

Soalala spinosus Dajoz, 1982: 513 . Type locality: Madagascar Ouest, Soalala. Types: HT ♂ MNHN.

Diagnosis

Last antennomere strongly curved in distal portion; posterior metaventral process long, slender, subtriangular with bunch of about 6 long setae; lacking sutural and discal striae; composite tergite in posterior portion with pair of small, bump-like, widely separated projections; mesotibia with modified distal portion; aedeagus 2.60 × as long as wide; endophallus lacking sclerites.

Type material

Holotype

MADAGASCAR • ♂; six labels “Madagascar: SOALALA / forêt cotière II.1973 / litière A. Peyrieras” [blue, handwritten] // “HOLOTYPE” [red, printed] // “ Soalala spinosa / n. g., n. sp. /Dajoz 1981” [blue, handwritten] //“MUSÉUM PARIS” [blue, printed] // “ Apoderiger Wasm. / = Soalala Dajoz / Cl. Besuchet / dét. III 1988 ” [white, printed and handwritten]; MNHN.

Description

BODY. Yellowish-brown, less elongated, 2.30 × as long as wide; body 1.40 mm long and 0.60 mm wide.

HEAD. Elongate, 2.25 × as long as wide, about 2.1× as long as pronotum.

ANTENNAE. Trimerous, 0.76 mm long, terminal antennomere strongly curved in distal portion.

PRONOTUM. Transverse, 1.54 × as wide as long.

METAVENTRITE. With large median impression, posterior metaventral process long, slender, subtriangular with bunch of about 6 long setae.

ELYTRA. 1.70 × as wide as long, 1.55 × as long as pronotum; lacking sutural and discal striae; humeri strongly projecting; lateral margin with some stout setae; posterior elytral margin in lateral third sinuate, with sharp spine on posterior outer corner.

ABDOMEN. 1.35 × as long as elytra; composite tergite in posterior portion with pair of small, bump-like, widely separated projections.

MESOTIBIA. With large, curved apophysis almost as long as simple mesotarsomere.

AEDEAGUS ( Fig. 4E–F ). Elongate, 2.60 × as long as wide; basal bulb and distal lobe well-separated, ratio length of basal bulb / length of distal lobe 1.70; endophallus lacking sclerites; dorsal diaphragm elliptical.

Sexual dimorphism

As for the genus.

Distribution

Madagascar ( Soalala district).

Remarks

See remarks for A. sikorai .

Host ant

Unknown.

Figures

Fig. 4. Dorsal and lateral view of aedeagus. A–B. Apoderiger torticornis Jeannel, 1960, lectotype (MNHN). C–D. Apoderiger sikorai sp. nov., paratype (NMW). E–F. Apoderiger spinosus (Dajoz, 1982), holotype (MNHN).G–H. Apoderiger banari sp. nov., holotype (PCPH).I–J. Apoderiger grandis sp. nov., holotype (MHNG).

Fig. 5. Distribution map of Apoderiger Wasmann, 1897.