Aclodes pequegna 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 : 772-774

Aclodes pequegna Desutter-Grandcolas, 1992

( Figs 19 , 20 ; Table 13)

Aclodes pequegna Desutter-Grandcolas, 1992b: 179 .

TYPE LOCALITY. — French Guiana, Arataye, tributary to the Approuague river, 8 km NE from the saut Pararé, Nouragues research station.

TYPE MATERIAL. — Holotype by original designation. French Guiana • 1 ♂; Arataye, Afflt. Approuague , 8 km NE saut Pararé, station de recherche des Nouragues; 8.VI.1988; L. Desutter leg.; MNHN-EO-ENSIF3063 .

Allotype. French Guiana • 1 ♀; same locality and collector as the holotype; 5.VI.1988; MNHN-EO-ENSIF3028.

Paratypes: 2 males, 2 females. French Guiana • 1 ♀; same locality and collector as the holotype; V.1988; MNHN-EO-ENSIF5262 • 2 ♂ 1 ♀; same locality and collector as the holotype;. VI.1988; MNHN-EO-ENSIF5259-5261 .

MATERIAL FROM THE MITARAKA. — French Guiana • 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.; de jour, fn. SH127; MNHN • 1 ♀; same data as for preceding; de jour, fn SH128; MNHN .

COMPLEMENT OF DESCRIPTION

General morphology

TIII serrulation lacking between subapical spurs 1 and 2 on both sides; on inner side, one spine in male, zero to one spine in female between isa2 and isa3, two to three spines in male, two spines in female between isa3 and isa4, six spines in male, five to six spines in female above isa4; on outer side, zero to one spine in male, no spine in female between osa1 and osa2, two spines in male, one spine in female between osa2 and osa3, three spines in male, two to three spines in female between osa3 and osa4, 12-13 spines in male, six to seven spines in female above osa4. Barsitarsomeres III serrulation: zero to two inner spines in male, no inner spine in female; two outer spines in male, one to two outer spines in female, in addition to apical spines. Coloration

Face ( Fig. 20A, B ) with contrasting yellow pattern; last three articles of maxillary palpi ( Fig. 20C ) brown; scapes brown with three yellow lines on basal half of inner side, the innermost with a series of small teeth. Pronotum and FWs as on Fig. 20B, C : most lateral yellow line of vertex wider than the median one and extending on DD lateral margins.

Male

FWs ( Fig. 20B, C ) reaching tergite 6.

Male genitalia

As on Fig. 20 D-F (compare with Desutter-Grandcolas 1992b Fig. 25 ).

Female

Distance between FWs longer than FW width, but shorter than FW length.

Measurements (in mm)

See Table 13.

Variation

The Mitaraka specimens are larger than the specimens originating from the type locality. They fit however the description of A. pequegna , with the following variation: FW venation ( Fig. 20B, C ) with two main veins in the harp, and six shorter ones (five in total in type material); stridulatory file with 282 teeth (304 in dissected paratype); lateral field with five longitudinal parallel veins (four in type material). In the male at hand, the genitalia are somewhat longer and more narrow than type genitalia; the posterior projection of pseudepiphallic distal margin is slightly more narrow and longer than in the Nourague material, and in lateral view, dorsal margin of pseudepiphallic lophi is less angulate ( Fig. 20 D-F).

Figures

FIG. 19. — Aclodes pequegna Desutter-Grandcolas, 1992b from the Mitaraka, male SH127 foraging at night on a tree trunk. Photo: Sylvain Hugel.

FIG. 20. — Aclodes pequegna Desutter-Grandcolas,1992b from the Mitaraka: A, face coloration; B, C, male head, pronotum and forewings in dorsal (B) and side (C) views; D-F, male genitalia in dorsal (D), ventral (E) and side (F) views. Abbreviations: see Material and methods. Scale bars: 1 mm.

FIG. 25. — Paraclodes cunicula Desutter-Grandcolas, n. sp. male holotype MNHN-EO-ENSIF10790: A, face; B, C, head and pronotum in dorsal (B) and side (C) views; D-F, male genitalia in dorsal (D), ventral (E) and lateral (F) views. Abbreviations: see Material and methods. Scale bars: 1 mm.