Rhynchoclaviger cremastogastris Wasmann, 1891

Raveloson, Ricca, Andrianaharison, Fumiko, Rakotonirina, Jean Claude & Hlaváč, Peter, 2025, The Pselaphinae (Coleoptera: Staphylinidae) of Madagascar. X. Revision of the myrmecophilous clavigerine genera Rhynchoclaviger Wasmann, 1891 and Paussiger Wasmann, 1893, Zootaxa 5673 (3), pp. 399-410 : 402

Rhynchoclaviger cremastogastris Wasmann, 1891

Figs 1 , 5–9

Rhynchoclaviger cremastogastris Wasmann, 1891: 4 (Type locality: Madagascar, Andrangoloaka. Type series: more syntypes deposited in MNHN ( Jeannel 1954: 305).

Rhynchoclaviger cremastogastris Wasmann ; Jeannel 1954: 305 (redescription); Jeannel 1956: 50 (distribution, host ants); Jeannel 1960: 201 (distribution, host ant).

Material examined. Holotype ♂, four labels: “Mdgk. Sikora / Andrangoloaka“ [white, printed and handwritten], “TYPE“ [red, printed], “MUSEUM PARIS / 1952 / COLL. R. OBERTHÜR“ [blue, printed], “ HOLOTYPE / Rhynchoclaviger / cremastogastris Wasmann / P. Hlaváč des. 2020“ [red, printed] ( MNHN).

Other material examined. 1 ♀: two labels “ Madagascar / ( Sikora )“ [white, handwritten], “ Rhynchoclaviger / cremastogastris Wasm / P. Hlaváč det., 2017“ [white, printed] ( MNHN) . 1 ♀: three labels “MUSEUM PARIS / MADAGASCAR / GRANDIDIER 2855-90“ [white, printed], “ Rhynchoclaviger / cremastogastris / Raffray det. 1907 Wasmann“ [white, handwritten], “ Rhynchoclaviger / cremastogastris Wasm / P. Hlaváč det., 2017“ [white, printed] ( MNHN) . 2 ♂, 2 ♀: three labels “ Madagascar / La Mandrake “ [white, handwritten], “Robinson I. 59 / Crematogaster “ [white, handwritten], “ Rhynchoclaviger / cremastogastris Wasm. / P. Hlaváč det., 2017“ [white, printed] ( MNHN) . 1 ♀: four labels “ Périnet “ [white, printed], “ Rhynchoclaviger / cremastogastris Ws. “ [white, handwritten], “INSTITUT / SCIENTIFIQUE / MADAGASCAR “ [green, printed] “ Rhynchoclaviger / cremastogastris Wasm / P. Hlaváč det., 2017“ [white, printed] ( MNHN) .

Diagnosis. As for the genus.

Redescription. Body reddish-brown; males: 2.30–2.40 mm, females: 2.60–2.70 mm long. Head capsule 1.95– 2.00 times as long as wide, 1.15–1.25 as long as pronotum. Antenna long, length 0.65 mm in males, 0.55 mm in females, when bent backward reaching half of length of pronotum, antennomere 4 in males 1.6–1.7 times as long as wide, in females 1.2–1.3 times as long as wide. Aedeagus 0.43 mm long, apex of distal lobe sharply curved in lateral view, acute ( Figs 8, 9 ).

Host ant. Crematogaster sp.

Distribution. Madagascar.

Figures

FIGURES 1–4. Habitus. 1. Rhynchoclaviger cremastogastris, female. 2. Paussiger perrieri, male. 3. Paussiger grandis, male. 4. Paussiger fisheri, male.

FIGURES 5–9. Rhynchoclaviger cremastogastris. 5. Male foreleg. 6. Female middle leg. 7. Male middle leg. 8. Aedeagus, dorsal view. 9. Aedeagus, lateral view. Paussiger fisheri. 10. Aedeagus, dorsal view. 11. Aedeagus, lateral view. Scale = 0.2 mm.