Parendacustes sp. 2

Desutter-Grandcolas, Laure, 2012, Phalangopsidae crickets from Espiritu Santo Island, Vanuatu (Insecta, Orthoptera, Grylloidea), Zoosystema 34 (2), pp. 287-304 : 302

Parendacustes sp. 2

( Fig. 7 E-I, Table 3)

MATERIAL EXAMINED. — Vanuatu, Espiritu Santo, Loran, gouffre Lavav, 15°05.895S, 166°59.755E, 220 m alt., 1 ♀ juvenile (Karst sample SK05-Lips10/1683), 4.VIII.2005 (J. Lips) ( MNHN-ENSIF 2897, alcohol collection vial 551).

HABITAT. — Parendacustes sp. 2 has been found in the Lavav sinkhole, a 20 m deep and 15 m in diameter guano cave with day light. The cricket has been found by day. Many bats were present on the walls.

DESCRIPTION

Specimen (young female juvenile) very close to Parendacustes sp. 1 , but characterised by the following characters:

Head

Eyes and ocelli somewhat bigger.

Pronotum

Posterior angles of lateral lobes not as raised dorsally.

Legs

FIII apical third not as thin ( Fig. 7E ).TIII ( Fig. 7E ) with four outer subapical spurs; three inner subapical spurs, short, slightly lower on TIII than outer subapical spurs ( Fig. 7F ); three outer and only two inner apical spurs (no ventral inner spur), median and dorsal inner apical spurs subequal in length, the median slightly longer; TIII serrulated with very small spines, located on both inner and outer margins; inner spines number: none between apex and spur 1, and between spurs 1 and 2, one between spurs 2 and 3, 10-11 above subapical spur 3; outer spines: none between apex and spur 1, one between spurs 1 and 2, 2-3 between spurs 2 and 3, 2-3 between spurs 3 and 4, 11-14 above subapical spur 4. Basitarsi III not flattened dorsally, with two spines on inner margin and 4-6 spines on outer margin, in addition to apical ones ( Fig. 7E ).

Colouration (specimen preserved in alcohol)

Head dorsum light yellow, with a dark brown area between the eyes, but not reaching them, enclosing the whitish lateral ocelli and two additional yellow spots; a dark brown line running along fastigium from median ocellus; fastigium otherwise light yellow ( Fig. 7G ). Cheeks light yellow, lower third and posterior margin entirely dark brown ( Fig. 7H ). Face ( Fig. 7G ) light yellow with a wide median, longitudinal, dark brown line between median ocellus and epistemal suture, somewhat prolonged on clypeus; dark line enclosing a pair of thin yellowish lines between antennal pits, and a small rounded spot along epistemal suture; a wide brown line under each eye, connected to dark pattern of cheek. Mouthparts light yellow mottled with brown. Maxillary palpi light yellow; last three joints with dark lines on their sides. Scapes light yellow; a dark rounded spot on ventral side. Antennae light brown. Pronotum dorsal disc almost entirely yellowish, posterior fourth darker and with dark spots; lateral lobes dark brown, except for yellow anterior margin and lower anterior angle ( Fig. 7I ). Leg pattern of colouration very similar to that of Parendacustes sp. 1 , but more contrasted; tibiae and tarsi darker (yellowish) than femora (light yellow).

Female (juvenile)

Ovipositor without conspicuous ornamentation.

Measurements

See Table 3.

Figures

FIG. 7. — Parendacustes spp.: A-D, Parendacustes sp. 1, TIII outer (A) and inner (B) sides, face (C) and pronotum lateral lobe (D); E-I, Parendacustes sp. 2, TIII outer (E) and inner (F) sides, face (G), cheeks (H) and pronotum lateral lobe (I). Abbreviation: (s1) facultative inner subapical spur; other abbreviations, see Material and methods. Scale bars: 1 mm.