Acantoluzarida nigra Desutter-Grandcolas, 1992

Desutter-Grandcolas, Laure & Faberon, Léo, 2020, Phalangopsidae crickets (Orthoptera, Grylloidea) from the Mitaraka biological survey, French Guiana, Zoosystema 42 (32), pp. 739-797 : 750-752

Acantoluzarida nigra Desutter-Grandcolas, 1992

( Fig. 6 ; Table 4)

Acantoluzarida nigra Desutter-Grandcolas, 1992a: 111 .

TYPE LOCALITY. — French Guiana: Arataye, Affluent Approuague, 8 km NE saut Pararé, Nouragues research station.

TYPE MATERIAL. — Holotype by original designation. French Guiana • 1 ♂; Arataye, afflt. Approuague , 8 km NE du saut Pararé, station des Nouragues; 19.VI.1988; L. Desutter & P. Grandcolas leg.; MNHN-EO-ENSIF3105 .

Allotype. French Guiana • 1 ♀; same locality and collector as the holotype; 19.VI.1988; MNHN-EO-ENSIF3104.

Paratypes: 5 males, 14 females. French Guiana • 1 ♂; same locality as the holotype; 31.III.1988; L. Desutter leg.; MNHN-EO-EN-SIF5880 • 1 ♂; 1. IV.1988 ; L. Desutter leg.; MNHN-EO-ENSIF5881 • 1 ♀; same locality and collector as the holotype; 31.IV.1988; MNHN-EO-ENSIF3104 • 1♂ 8 ♀; 3-15.VI.1988; MNHN-EO-ENSIF5882, 5885-5892 • 1♂ 1 ♀; 13-17.VII.1988; MNHN-EO-ENSIF5883, 5893 • 1 ♂; 4♀; Sinnamary , piste de St Elie, PK 15; 28.VI.- 24.VII.1989; P. Grandcolas leg.; MNHN-EO-ENSIF5884, 5894-5897 .

MATERIAL FROM THE MITARAKA. — French Guiana • 2 ♂; Monts Tumuc-Humac , Massif du Mitaraka, vers sommet en Cloche; entre 54.4541 O 2.2349 N et 54.4646 O 2.2329 N; alt. entre 370 m et 470 m; 23.II.-10.III.2015; F. Legendre & S. Hugel leg.; fn. SH395, SH456, de nuit; MNHN • 5♀; same data as for preceding; fn. SH396, SH397, SH399, SH503, SH536, de nuit; MNHN • 1 ♂; same data as for preceding; fn. SH434, de jour; MNHN • 1 ♀; same data as for preceding; fn. SH435, de jour; MNHN • 1 ♂; Monts Tumuc-Humac , Massif du Mitaraka, D 2; 54.451125 O 2.234786 N; alt. 300 m; 23.II.-10.III.2015; F. Legendre & S. Hugel leg.; fn. SH077, de nuit; MNHN • 1 ♂; Monts Tumuc-Humac , Massif du Mitaraka, entre C100 et C1000; entre 54.44768 O 2.235494 N et 54.4419 O 2.233664 N; alt. entre 350 m et 415 m; 23.II.-10.III.2015; F. Legendre & S. Hugel leg.; fn. SH173, de nuit; MNHN • 1 ♀; same data as for preceding; fn. SH174, de nuit; MNHN • 1 ♂; Monts Tumuc-Humac , Massif du Mitaraka, Prox Borne 1; entre 54.4365 O 2.2269 N et 54.4355 W2.2125 N; alt. entre 300 m et 445 m; 23.II.-10. III.2015; F. Legendre & S. Hugel leg.; fn. SH353, de nuit; MNHN • 1 ♀; same data as for preceding; fn. SH354, de nuit; MNHN • 1 ♀; Monts Tumuc-Humac , Massif du Mitaraka, Layon A; entre 54.4509 O 2.2357 N et 54.4547 O 2.2405 N; alt. entre 280 m et 365 m; 23.II.-10.III.2015; F. Legendre & S. Hugel leg.; fn. SH309, de nuit; MNHN .

COMPLEMENTS OF DESCRIPTION

In addition to the characters given by Desutter-Grandcolas (1992a).

Coloration

Lateral yellow stripes extended on occiput, vertex, FWs and metanotum, sometimes forked on occiput ( Fig. 6 ); muscular inscriptions interrupting the stripes at pronotum one third. FIII outer side and base of inner side striped with brown; dorsal side and apical part of inner side speckled with brown especially at apex; spurs yellowish, dark at base and apex. Tergites speckled with yellow on lateral margins ( Fig. 6C ), this pattern often obscured in males ( Fig. 6D ).

Female ( Fig. 6E )

Bigger than male.

Measurements (in mm)

See Table 4.

Variation

Size highly variable.Mouthparts sometimes marked with white. Cerci brown or light brown at base. Yellow rings sometimes present on TI and TII. Females with sometimes five veins on FW lateral field. Females tend to lose their forewings

Figures

FIG. 6. — Acantoluzarida nigra Desutter-Grandcolas, 1992a from the Mitaraka, pattern of coloration: A, head dorsum, with forked stripe on occiput; B, pronotum and forewing; C, lateral parts of tergites; D, E, male (D) and female (E) foraging at night in the leaf litter. Scale bars: 1 mm. Photos: D, E, Sylvain Hugel.