Xylocoris (Proxylocoris) cerealis Yamada & Yasunaga, 2006

Yamada, Kazutaka, Yasunaga, Tomohide, Artchawakom, Taksin & Sers, 2013, The genus Xylocoris found from plant debris in Thailand, with description of a new species of the subgenus Arrostelus (Hemiptera: Heteroptera: Anthocoridae), Acta Entomologica Musei Nationalis Pragae 53 (2), pp. 493-504 : 502

Xylocoris (Proxylocoris) cerealis Yamada & Yasunaga, 2006

( Figs 4 , 9, 10 )

Xylocoris (Proxylocoris) cerealis Yamada & Yasunaga, 2006: 526 .

Specimens examined. THAILAND: 1 J ( Figs 9, 10 ), Suphan Buri, Sri Prachan , N14°41′18.3″, E100°08′25.8″, 10 m alt., 25.x.2008, K. Yamada lgt. ( TKPM) ; 1 J 1 ♀, Nakhon Nayok, Sarika , N14°17′20.8″, E101°17′20.5″, 25 m alt., 22.–23.iii.2010, at light, K. Yamada lgt. ( TKPM) ; 1 ♀, Nakhon Ratchasima, Sakaerat Environmental Research Station , N14°29′24.4″ –30′37.5″, E101°54′37.8″ –55′49.7″, 372–601 m alt., 23.–25.i.2009, light trap, T. Yasunaga & K. Yamada lgt. ( TKPM) ; 1♀, same locality, N14°30′26.9″, E101°55′39.2″, 407 m alt., light trap, 11.–14.vi.2009, K. Yamada lgt. ( TKPM) ; 1 ♀, Chiang Mai, Mae Rim, Mae Sa , 400–450 m alt., 1.–4.viii.2001, S. Nagashima lgt. ( TKPM) .

Diagnosis. Recognized by the following characters: head and thorax blackish-brown ( Figs 4 , 9, 10 ); hemelytra semi-transparent with darkened area along claval commissure and coriummembrane boundary, and with dark sub-triangular spot on apico-mesial corium ( Figs 4 , 9 ); ostiolar peritreme not reaching anterior margin of metapleuron; femora brown to blackishbrown, with apex yellowish-brown ( Fig. 10 ); tibiae and tarsi uniformly pale yellow ( Fig. 10 ); paramere medially angulate in posterior view; ectospermalege much smaller, extending posteriorly, and weakly sclerotized.

Distribution. Thailand.

Remarks. This species have hitherto been known only from southern Thailand (Songkhla and Nakhon Si Thammarat Provinces) ( YAMADA et al. 2006). However, we also found it in central (Suphan Buri, Nakhon Nayok, and Nakhon Ratchasima Provinces) and northern (Chiang Mai Province) territories of Thailand (this paper).

Figures

Figs 1–4. Habitus images of Xylocoris spp., living individuals (Thailand). 1, 2 – X. (Arrostelus) ampoli Yamada & Yasunaga sp. nov., brachypterous form; 3 – ditto, macropterous form; 4 – X. (Proxylocoris) cerealis Yamada & Yasunaga, 2006.

Figs 5–12. Xylocoris (Arrostelus) ampoli Yamada & Yasunaga sp. nov. (5–8, 11, 12) and X. (Proxylocoris) cerealis Yamada & Yasunaga, 2006 (9, 10). 5, 6 – brachypterous form, male holotype, dorsal (5) and lateral (6) views; 7, 8 – macropterous form, male, dorsal (7) and lateral (8) views; 9, 10 – male, dorsal (9) and lateral (10) views; 11, 12 – head and pronotum, brachypterous (11, female) and macropterous (12, male) forms, dorsal view. Scale bars: 1.0 mm for 5–10; 0.3 mm for 11, 12.