3. Gredzinskiya lamellaris sp. nov.

(Figs 1a–d, 3)

Description. Body (Figs 1a–d) pale, patches on vertex large. Male anteclypeus relatively narrow.

Male 2S abdominal apodemes (Fig. 3b) nearly reaching hind margin of third sternite.

Pygofer side (Fig. 3c) relatively short, with group of numerous macrosetae at lower basal angle and about 8 microsetae along hind margin. Subgenital plate (Fig. 3f) with about 5 macrosetae in irregular row, lateral microsetae arranged in irregular rows basally and in one row apically, basal and apical setae elongate and subapical ones shorter. Style (Fig. 3g) broad, apical tooth and subapical tooth almost in a line. Connective (Fig. 3h) with manubrium broad, sides almost parallel, central lobe broad. Aedeagal shaft (Figs 3i, j) slightly curved dorsad, with pair of short symmetrical apical processes laterad of gonopore and pair of triangular lamellate dorsal processes near midlength.

Measurement. Male length 3.9–4.0mm.

Material examined. Holotype: ♂, THAILAND, Chaiyaphum, Tat Tone, NP Entrance to Pa Eang waterfall, 15°57.52'N, 101°54.442'E, 297m, Malaise trap, 26. x – 3. xi.2006, coll. Tawit Jaruphan; Paratypes: ♂, same data as holotype; ♂, THAILAND, Loei, Phu Kradueng, NP Mixed deciduous/S Na Noy office, 16°49.01'N, 101°47.62'E, 276m, Malaise trap, 21–28. v. 2008, coll. Thonghuay Phatai.

Deposition. Holotype is deposited in QSBG, Chiang Mai, Thailand; paratypes in INHS, Champaign, USA.

Diagnosis. Similar to G. l i p c ow a Dworakowska, but pygofer side shorter and hind margin more rounded, aedeagal shaft with paired dorsal processes, and apical processes shorter.

Etymology. This new specific epithet is derived from Latin word “ lamellaris ”, meaning lamellate, referring to the paired dorsal processes of the aedeagal shaft.