Hypseloecus nigrobrevis, Yasunaga, Tomohide, Yamada, Kazutaka & Artchawakom, Taksin, 2015

Yasunaga, Tomohide, Yamada, Kazutaka & Artchawakom, Taksin, 2015, First Indochinese records of the plant bug genus Hypseloecus Reuter (Hemiptera: Heteroptera: Miridae: Phylinae: Pilophorini), with descriptions of eight new species from Thailand, Zootaxa 3925 (1), pp. 75-93 : 83-84

Hypseloecus nigrobrevis sp. nov.

( Figs. 2 E, 5–6)

Diagnosis. Distinguished from any other congeners by its tiny size; almost wholly dull, dark general coloration; and both golden-brown setae and wooly, silvery setae on dorsum.

Description. Female. COLORATION AND VESTITURE: Body, including appendages, generally dull, dark brown; dorsal surface less shining, with both golden-brown, reclining setae and wooly, silvery, reclining setae.

Head dark chestnut brown. Antenna uniformly dull grayish brown, slender. Labium shiny dark brown; segment I somewhat tinged with red. Pronotum, scutellum and pleura including ostiolar peritreme dark brown as in Fig. 6 . Hemelytron fuscous; membrane dark smoky brown, with pale veins. Coxae wholly fuscous as in Table 1 . Legs entirely dark brown; tibial annulations invisible. Abdomen fuscous. STRUCTURE: As in generic description (see Schuh & Menard, 2011). Male. Unknown.

Measurements. ♀: Total body length 2.2−2.3; length from apex of clypeus to cuneal fracture 1.70−1.90; width of head across eyes 0.75−0.77; head height 0.51−0.53; width of vertex 0.36−0.39; lengths of antennal segments I −IV 0.20−0.21, 0.70−0.72, 0.32−0.36, 0.48−0.50; basal width of pronotum 0.96−0.98; maximum width across hemelytron 1.18−1.21; and length of metatibia 1.11−1.14.

Etymology. From Latin, nigris (= black) in combination with brevis (= small), referring to the dark, small shape of this new species; an adjective.

Biology. Unknown; adults are attracted to light.

Holotype: ♀, THAILAND: Nakhon Ratchasima: SERS, 14˚30'27”N, 101˚55'39”E, 410 m alt., light trap, 31 May 2012, T. Yasunaga ( AMNH _PBI 00380243) ( DOA)

Paratype. THAILAND: 1♀, same locality as for holotype, light trap, 28 Oct 2008, T. Yasunaga, K. Yamada ( AMNH _PBI 00380244) ( TYCN).

Figures

FIGURE 2. Habitus images of living adult individuals of Hypseloecus species. A. H. siamensis holotype female on Scurrula sp. 1. B. H. castaneus female (SERS). C. H. castaneus male (missing scalelike setae, Nakhon Nayok). D. H. katrinae male (Nakhon Nayok). E. H. nigrobrevis holotype female (SERS).

FIGURE 6. Holotypes of Hypseloecus species, pleura in left-lateral view, each including all coxae and scent efferent system.