Pixipterus Desutter-Grandcolas, 2016

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 : 440-442

Genus Pixipterus Desutter-Grandcolas, 2016

Pixipterus Desutter-Grandcolas in Anso et al., 2016: 55.

TYPE SPECIES. — Pixipterus punctulatus Desutter-Grandcolas & Anso, 2016 by original designation.

ILLUSTRATIONS. — Habitus: Fig. 13G . Male genitalia: Anso et al. 2016a: fig. 24D-G, 26E-H.

DIAGNOSIS. — See Table 5. Small, elongate species without a tympanum on both TI sides, and without a stridulum or even a file in males. General coloration uniform and dull, without highly coloured spots or lines. TIII with six (rarely seven) inner and six outer subapical spurs; serrulation regular and abundant; three inner and three outer apical spurs, as in other New Caledonian genera. HWs longer than FWs in males and females.

Male. Subgenital plate elongate, but not acute; with a transverse furrow at mid length; distal part narrowed from transverse furrow to

iodPronL PronWa PronWp FWL HWL FIIIL FIIIwTIIIL tar1-III

Holotype 0.7 1.5 1.3 2 10.2 14.3 7.8 1.4 8.3 0.9

apex, broadly triangular, with a longitudinal furrow. Male genitalia as in Adenopterus , but pseudepiphallic sclerite very long and narrow, somewhat oval; pseudepiphallic apex single, raised and more or less flattened toward pseudepiphallic sclerite; with a pair of lateral lobes raised dorsally, one on each side of pseudepiphallic apex; pseudepiphallic anterior margin raised dorsally, but not plicated, and widened laterally; ectophallic fold and pseudepiphallic parameres very small, located close to pseudepiphallic sclerite distal margin.

Female. Subgenital plate concave distally, as in Calscirtus . Ovipositor straight, somewhat flattened dorso-ventrally and not widened laterally before apex; with numerous, parallel longitudinal striae ( Anso et al. 2016a: fig. 24J). Female genitalia: copulatory papilla very small and little sclerotized, having the shape of a low ring.

DISTRIBUTION. — Endemic to New Caledonia.

HABITAT. — Shrubland vegetation in Southern New Caledonia.

Figures

FIG. 13. — New Caledonian Podoscirtinae (Gryllidae). A, Calscirtus amoa Otte, 1987, from Col d’Amieu, adult hiding during the day in a gallery dug in a dead branch (Photo PG); B, Calscirtus sp., juvenile, from Lifou (Loyalty Islands), by night (Photo PG); C, Matuanus caledonicus (Saussure, 1878), male, from Monts Koghi (Photo HJ); D, Matuanus elegans Otte, 1987, female, from Col d’Amieu (Photo PG); E, Adenopterus sp., female (Photo PG); F, Archenopterus bouensis Otte, 1987, male, from Parc Provincial de la Rivière Bleue; G, Pixipterus mou Desutter-Grandcolas, 2016, male, from Mont Mou. Scales bars: 2 mm.