Songana muscula sp. nov. (Figs 1–16)

Description. Male length 3.8–3.9 mm.

Vertex milky yellow, with single large black spot medially (Figs 1, 3). Eyes greyish black (Figs 1-4). Face with most of anteclypeus blackish brown; frontoclypeus with two large arched dark brown stripes along sides, other areas brownish (Fig. 4). Pronotum dark brown medially, with diamond-shaped muscle impression in middle and two dark brown marks scattered on each lateral margin, other part milky yellow (Fig. 3). Mesonotum and scutellum milky yellow, with vertical central yellow belt divided by scutellar suture; two tiny brownish spots located anterad of scutellar suture (Figs 1, 3). Scutellum with apex brownish (Fig. 3).

Male abdominal apodemes short, hooklike apically, extended mesad at base of 3rd sternite (Fig. 8). Pygofer side with dorsal appendage basal half inflated and distal half narrowed; ventrolateral setal group with 9 rigid setae, much smaller than macrosetae (Fig. 9). Style apex long and sharp, preapical lobe prominent but not acutely angulate (Fig. 12). Connective lamellate, with two lateral arms and stem long; central lobe broad, well developed, with median sclerotized area darker than margins (Fig. 13). Aedeagal shaft curved dorsad, tapering apically, with pair of divergent long processes basally; preatrium mostly as long as aedeagal shaft, curved dorsad basally (Figs 15, 16). Material examined. Holotype : ♂, THAILAND, Mae Hong Son, Namtok Mae Surin NP, Haad Saen / Huai Fai Kor reservoir, 19°20.857'N; 97°59.123'E, Malaise trap, 20-27.i.2008, coll. Kamkoon, A. Paratypes : 17♂♂, same data as holotype .

Etymology. The specific name is derived from the Latin word “musculus” (robust, strong), referring to the leafhopper body large and robust (Fig. 1).