Trichadenotecnum sharkeyi, Yoshizawa, Kazunori & Lienhard, Charles, 2015

Yoshizawa, Kazunori & Lienhard, Charles, 2015, Synonymy of Cryptopsocus Li with Trichadenotecnum Enderlein (Insecta: Psocodea: ' Psocoptera': Psocidae) and description of three new species, Zootaxa 3957 (4), pp. 480-488 : 484-485

Trichadenotecnum sharkeyi n. sp.

( Figs 1 B, 3)

Holotype. Male. THAILAND, Nakhon Nayck, Khao Yai NP, entrance of Hong Pak Chee Trail, 14º27.115'N 101º 21.951E 733m, Malaise trap 19-26.v.2007, Pong Sandao leg. T2270 (tiger8, KY452) (will be deposited in the Queen Sirikit Botanical Gardens, Thailand).

Description (note that the condition of the specimen is bad). Male. Head. White in ground color; vertical markings brown, fused and composing large marking; with pair of faint markings anterior to vertical markings; orbital markings obscure; coronal suture black; epicranial suture dark brown; frons with pair of faint markings; eye black, large, IO/D=0.6; ocelli white, ocellar field brown; gena white; postclypeus with faint brown markings ventrally; anteclypeus pale brown. Antenna brown (flagellum missing). Mouthparts brown.

Thorax. Prothorax brown. Mesonotum brown, anterior lobe of scutum and scutellum darker; mesopleuron white except for brown precoxal bridge and trochantin. Metanotum brown, anterior lobe of scutum pale; metapleuron brown except for white median region.

Legs. Coxae of all legs brown. Foreleg white, distal part of tibia and tarsus brownish. (Other legs missing.)

Forewing ( Fig. 1 B). As in group diagnosis; distal spot in cell a obscure; spot on roof of m3 obscure distally, anterointernally broadly connected to posterior spot of distal band; roof vein of cell m3 long, about equal to second section of CuA 1 in length.

Terminalia. Eighth sternum unsclerotized ( Fig. 3 A). Epiproct lobe weakly developed, slightly expanded over clunium; dorsal margin covered by papillae, with posterior projection medially ( Fig. 3 AB). Paraproct with small basal process covered by papillae; distal process broad and short, strongly bent at tip ( Fig. 3 A). Hypandrium ( Fig. 3 C) with broad membranous region distal to median tongue, anteroventral surface smoothly curved, with pair of slight swellings; left corner without significant modification; left process short, basally fused with median tongue; median tongue small, unmovable, covered by papillae distally, distal margin only slightly concave; right process well developed, internal margin strongly serrated; right corner highly modified, with serrated keel and outer lobes. Phallosome ( Fig. 3 D) pointed anteriorly, posteriorly closed and slightly bilobed, with papillar region medially.

Measurements. Body 1.7 mm, forewing 2.1 mm, hindwing 1.6 mm.

Female. Unknown.

Distribution. Thailand.

Etymology. The specific epithet is dedicated to Dr Michael Sharkey (University of Kentucky, USA), leader of the TIGER project.

Remarks. This species is clearly differentiated from the above-mentioned three species by the shapes of the epiproct lobe and the hypandrial processes.

Figures

FIGURE 1. Forewings of new species of the Trichadenotecnum marginatum group. A: T. tigrinum, male paratype; B: T. sharkeyi, male holotype; C: T. sabahense, male holotype.

FIGURE 3. Male terminal structures of Trichadenotecnum sharkeyi. A: terminalia, lateral view; B: epiproct, posterodorsal view; C: hypandrium, posteroventral view; D: phallosome, ventral view.