Conocephalus oceanicus ( Le Guillou, 1841 )

Hugel, Sylvain, 2009, Gryllacrididae and Tettigoniidae (Insecta, Orthoptera, Ensifera) from Espiritu Santo, Vanuatu, Zoosystema 31 (3), pp. 525-576 : 562-563

Conocephalus oceanicus ( Le Guillou, 1841) ( Fig. 11D, F )

Xiphidion oceanicum Le Guillou, 1841: 294 .

Conocephalus oceanicus – Karny 1912: 13. — Pitkin 1980: 329.

Xiphidium affine Redtenbacher, 1891: 513 (type locality: South western Pacific, Fiji). — Willemse 1925: 515.

TYPE MATERIAL. — Lectotype selected by Pitkin, L.M., 1979 [printed]; Xiphidion oceanicum Le Guillou det. L. M. Pitkin, 1980 [printed]; ♂ (MNHN-ENSIF1632). Paralectotypes: idem, 3 ♀♀ (MNHN-ENSIF857, 973, 974). Not examined .

Xiphidium affine : Fiji. ♂ lectotype ( NHW). Not examined.

TYPE LOCALITY. — [Pacific, Southwestern Pacific, Samoa] Hamoa, arrou., etc. [sic Le Guillou 1841].

MATERIAL EXAMINED. — Vanuatu. (3 ♂♂), Sanma Province, Espiritu Santo Isl., Luganville, site du CTRAV, 15°27’00”S, 167°12’26”E, 2 m alt., pelouse, zone herbacée, Exped. Santo 2006, 12.X.2006, coll. S. Hugel, 1 ♂ (SH-070) (MNHN-ENSIF2222). — Same locality and date, pelouse, zone herbacée, sur plante, nuit, Exped. Santo 2006, coll. T. Robillard, 1 ♂ (TR-001 SH-118) (MNHN-ENSIF2270).

Big Bay, Matantas, prox. grotte, forêt secondaire, clairière, Exped. Santo 2006, 27.X.2006, coll. S. Hugel, 1 ♂ (SH-131) (MNHN-ENSIF2283).

DISTRIBUTION. — Widely distributed in the Pacific. Already known from Espiritu Santo ( Willemse 1925 as Xiphidion affine ).

HABITAT AND LIFE HISTORY TRAITS. — We recorded this species in one strongly anthropized locality (pasturelands) near the shore, and one clearing on a secondarized forest. Willemse (1925) recorded it from Chuuri 300-600 m and Hog Harbour, open forest.

DESCRIPTION COMPLEMENT

Stridulatory file ( Fig.11D ) with 52-58teeth:proximal half with wide knob-shaped teeth, distal half with smaller lamellar teeth;with 3-6 spinules on the anterior base (file already illustrated in Pitkin 1980).

A

B

C

Figures

FIG. 11. — A-E, SEM pictures of stridulatory files; F-H, right femur III in side views;A, Phaneroptera gracilis Burmeister, 1838; B, H, Conocephalus upoluensis (Karny,1907);C, G, C. semivittatus vittatus (Redtenbacher, 1891); D, F, C. oceanicus (Le Guillou, 1841);E, Pseudorhynchus lessonii Serville,1838.Scale bars:A-E, 100 μm; F-H, 10 mm.