Ericiates cinereus, Colonnelli, 2014

Colonnelli, Enzo, 2014, Apionidae, Nanophyidae, Brachyceridae and Curculionidae except Scolytinae (Coleoptera) from Socotra Island, Acta Entomologica Musei Nationalis Pragae 54, pp. 295-422 : 350-354

Ericiates cinereus sp. nov.

( Figs 58–59 )

Type material. HOLOTYPE: J ( NMPC), ‘ Yemen, Socotra // Dixam plateau Firmihin // ( Dracaena forest) 490 m // 12°28.6′N, 54°01.1′E // 15-16.xi.2010 // P. Hlaváč leg.’. PARATYPES: 2 ♀♀, same label data as holotype (1 NMPC, 1 ECRI); 2 JJ, ‘ Yemen, Socotra Island // Dixam plateau // Firmihin ( Dracaena forest) // 12°28.6′N, 54°01.1′E, 490 m // L. Purchart leg. 15-16.xi.2010 ’ (1 NMPC, 1 ECRI); 1 ♀, ‘ Socotra Is. ( YE) Dixam plateau // Firmihin ( Dracaena forest) // 12°28.6′N, 54°01.1′E, 490 m // Jan Batelka leg. 151- 16.xi.2010 ’ ( JBPC); 1 ♀, ‘ Yemen, Socotra Isl., Firmihin, // GPS 12.474N, 54.015E, 530 m; // x.2000, // leg. V. Bejček & K. Šťastný’ ( NMPC); 7 JJ 3 ♀♀, ‘ Yemen, Socotra Island // Dixam plateau, Wadi Zerig // pools, Juncus marsh; Dracaena // trees; cave 13-14.vi.2012 // 12°29.6′N, 53°59.5′E, 655 m’, ‘ Socotra expedition 2012 // J. Bezděk, J. Hájek, V. Hula, // P. Kment, I. Malenovský, // J. Niedobová & L. Purchart leg.’ (5 NMPC, 1 ECRI); 1J 2♀♀, ‘ Yemen, Socotra Island // Deiqub cave, 12.vi.2012 // cave & Croton socotranus + // Jatropha unicostata shrubland; // 12°23.1′N, 54°00.9′E, 115 m’, ‘ Socotra expedition 2012 // J. Bezděk, J. Hájek, V. Hula, // P. Kment, I. Malenovský, // J. Niedobová & L. Purchart leg.’ ( NMPC); 1 ♀, ‘ Yemen, Soqotra Isl., Sirhin area // Dixam plateau, 1-2.xii.2003, N // 12°31′08″ E 53°59′09″, 812 m // [GPS], leg. P. Kabátek’, ‘ Yemen - Soqotra 2003 // Expedition; Jan Farkač, // Petr Kabátek & David Král’ ( NMPC); 7 JJ 6 ♀♀, ‘ Yemen, Socotra Island // Diksam plateau, 850-920 m // N 12°31′24″, E 53°58′29″ // 5.xii.2010 // L. Purchart & J. Vybíral leg.’ (9 NMPC, 4 ECRI); 4 JJ 3 ♀♀, ‘ Yemen, Socotra Isl., // Wadi Zirik, 12.vi.2010, // N 12°29,584′, E 053°59,475′ // V. Hula & J. Niedobová leg.’ (6 NMPC, 1 ECRI); 1 ♀, ‘ Yemen, Socotra Island // coastal road, shrubby area // ca 5 km W of Hadibo // 13.vi.2009, L. Purchart lgt. ’ ( NMPC); 1 ♀, ‘ Yemen, Socotra Island E // Homhil area, 400-510 m // N 12°34′25″, E 54°18′53″ // 9-10.ii.2010 // L. Purchart & J. Vybíral lgt.’ ( NMPC); 1 ♀, ‘ Yemen, Socotra Island // Zemhon area, 270-350 m // N 12°30′58″, E 54°06′39″ // 3-4.ii.2010, at light // L. Purchart & J. Vybíral lgt.’ ( NMPC); 1 ♀, ‘ Yemen, Soqotra Isl., 24-26/xi.2003 // wadi Ayhaft, 190 m // N 12°36′38″ E 53°58′49″ // [GPS], David Král lgt.’, ‘ Yemen - Soqotra 2003 // Expedition; Jan Farkač, // Petr Kabátek & David Král’ ( NMPC); 1 J, ‘ Socotra ( Yemen) // Tenten // 7.iv.2008 // leg. A. Carapezza’ ( ECRI); 14 JJ 7 ♀♀, ‘ Yemen, Socotra Island // Aloove area, Aloove vill. env. // Jatropha unicostata shrubland; // with Boswellia elongata trees // 19-20.vi.2012 // 12°31.2′N, 54°07.4′E, 221 m’, ‘ Socotra expedition 2012 // J. Bezděk, J. Hájek, V. Hula, // P. Kment, I. Malenovský, // J. Niedobová & L. Purchart leg.’ (16 NMPC, 5 ECRI); 6 JJ 2 ♀♀, ‘ Yemen, Socotra Island // Dixam plateau, Wadi Zerig // pools, Juncus marsh; Dracaena // trees; cave 13-14.vi.2012 // 12°29.6′N, 53°59.5′E, 655 m’, ‘ Socotra expedition 2012 // J. Bezděk, J. Hájek, V. Hula, // P. Kment, I. Malenovský, // J. Niedobová & L. Purchart leg.’ (7 NMPC, 1 ECRI); 8 JJ 8♀♀, ‘ Yemen, Socotra Island // Shibhon plateau, // Eserhe, 13.vi.2012 // Croton socotranus shrubland // 12°25.2′N, 53°56.6′E, 547 m’, ‘ Socotra expedition 2012 // J. Bezděk, J. Hájek, V. Hula, // P. Kment, I. Malenovský, // J. Niedobová & L. Purchart leg.’ (12 NMPC, 4 ECRI).

Description. Male holotype. Body length 3.2 mm. Brown, antennae, apex of femora and tarsi dark ferruginous. Antennae, tibiae and tarsi with suberect curved silvery setae, internal margin of tibiae with some straight semierect stiff dark setae starting from minute granules. Dorsum with ash-grey and brownish scales, latter forming faint middle stripe on pronotum, former giving rise to vague pattern of Fig. 58 . Ventral side with not very dense recumbent ash-grey scales and slightly erect setae particularly along middle ( Fig. 58 ).

Head. Rostrum 1.30 times wider than long, curved in lateral view, scrobes deep, pit-like and bare, smooth bare line triangularly narrowing connects scrobes with middle of anterior margin of eyes. Epifrons at narrowest point about 0.67 times as wide as rostrum. Antennae thin; scape slightly curved and moderately clubbed; funicular antennomere I 1.50 times longer and hardly wider than II, antennomeres II to VII progressively slightly diminishing in length, all clearly longer than wide; club fusiform elongate, slightly shorter than three preceding antennomeres. Head large, interocular space 1.20 times as wide as rostrum between antennal insertion, vertex strongly transversely rugose, eyes little sunken.

Pronotum 1.33 times wider than long, widest about at apical third, with large rather deep not dense punctures.

Elytra oval, 1.33 times longer than wide, 1.70 times as wide as pronotum, quite strongly convex both in dorsal and in lateral view.

Legs with setae and scales, latter more dense along middle of femora to form a vague femoral ring.

Ventral side. Metaventrite and abdominal ventrite I with large very shallow common depression.

Variability. Males are similar to the holotype, whereas elytra of females are much more broadly oval and strongly convex on disc. The vestiture may be more or less pale, and the convexity of eyes is more or less strong. A female paratype, probably collected dead, lacks antennae, protarsi, right middle leg, right metatarsus and left claw segment, although its vestiture is quite intact.

Male genitalia. Aedeagus as depicted in Fig. 59 .

Body length 2.8–3.7 mm.

Etymology. The name of the new species, Latin adjective cinereus (-a, -um), refers to its greyish colour, being the Latin for ‘ash-grey’.

Distribution. Endemic to Socotra Island.

Figures

Figs 58–61. 58–59 – Ericiates cinereus sp. nov.: 58 – habitus of the holotype; 59 – aedeagus of a paratype in dorsal view. 60–61 – Nematocerus barbitibia sp. nov., holotype. 60 – habitus; 61 – aedeagus in dorsal view.