Lebinthus Stål, 1877

Desutter-Grandcolas, Laure, Anso, Jérémy & Jourdan, Hervé, 2016, Crickets of New Caledonia (Insecta, Orthoptera, Grylloidea): a key to genera, with diagnoses of extant genera and descriptions of new taxa, Zoosystema 38 (4), pp. 405-452 : 444-446

Genus Lebinthus Stål, 1877

Lebinthus Stål, 1877: 50 .

TYPE SPECIES. — Lebinthus bitaeniatus Stål, 1877 , by monotypy.

ILLUSTRATIONS. — Habitus: Fig. 15E . Male genitalia: Desutter- Grandcolas 1997a: figs 10-12. Calling song: Desutter-Grandcolas 1997a: fig. 8.

DIAGNOSIS. — After Desutter-Grandcolas (1997a) and Robillard (2010), for New Caledonian species only. Genus resembling Agnotecous . Brachypterous, HWs lacking. Size small.

Male. FW lateral field as long as or shorter than dorsal field. Mirror badly differenciated from apical cells. Male genitalia: Pseudepiphallic

A

Amplitude

C

Amplitude

D

)

kHz

(

Frequency

E

Amplitude

0 5 10 15 20

Time (ms)

FIG. 16. — Calling song of Oecanthus rufescens Serville, 1831 ( Gryllidae , Oecanthinae ): A, Oscillogramm of a song bout of 1 s; B, logarithmic spectrogram of one syllable; C, D, detailed oscillogram (C) and sonogram (D) of a song bout of 16 syllables; E, oscillogram of one syllable. Abbreviations: see Material and methods.

sclerite triangular, slightly convex; its apex well-separated from main sclerite, setose, concave on lateral and distal margins; ectophallic arc wide, located at pseudepiphallic sclerite mid length; ectophallic fold wide and short, with two wide and almost connected lateral sclerites; dorsal cavity small.

CALLING SONG. — Call of Lebinthus lifouensis described by Desutter-Grandcolas (1997a), but recorded with a recorder suitable for frequencies less than 20 kHz.

DISTRIBUTION. — Lebinthus is widely distributed in western Pacific Ocean; it is known in New Caledonia by only one species, L. lifouensis Desutter-Grandcolas, 1997 from the Loyalty Islands.

HABITAT. — Straminicolous species inhabiting clear forests.

Figures

FIG. 15. — New Caledonian Euscyrtinae Gorochov,1985 (A), Oecanthinae Blanchard,1845 (B) and Eneopterinae Saussure,1874 (C-F) (Gryllidae):A, Proturana sp., from Sarramea, by day (Photo PG); B, Oecanthus rufescens Serville, 1839, from Col des Roussettes, by night (Photo JA); C, Cardiodactylus novaeguineae (de Haan, 1842), from Lifou (Loyalty Islands), by night (Photo PG); D, Agnotecous sp., from Col de Mouirange, by day (Photo LDG); E, Lebinthus lifouensis Desutter- Grandcolas, 1997, from Lifou, by day (Photo PG); F, Pixibinthus sonicus Anso & Robillard, 2016, from Col de la Madeleine, by day (Photo JA). Scale bars: 2 mm.