Pteroptyx galbina Jusoh, 2015

Pteroptyx galbina Jusoh View in CoL sp. nov.

( Figs. 77−87 View FIGURES 77−87 )

Type. Holotype male. MALAYSIA. Sarawak; Niah, N 3.49.365, E 113.45.743, 15.X.2011, in lowland rain forest about 17 m from a river, W. F. A. Jusoh ( Forest Research Institute of Malaysia , Entomological collection).

Paratypes (2): MALAYSIA. Sarawak; Ulu Baram, N 3 49.752, E114 06.917, 06.X.2010, Suria Timon, 2 males (Forest Research Institute of Malaysia, Entomological collection) .

Diagnosis. One of three Pteroptyx having entire LO in V7 and without deflexed elytral apices; yellowish dorsally with black tipped elytra; most obviously distinguished from Pt. sayangia sp. nov. by the parallel sided pronotum which has angulate anterolateral and posterolateral corners in the latter. Similar to Pt. surabayia sp. nov. distinguished by the LO in V7 reaching into both MPP and PLP (in Pt. surabayia sp. nov. it does not reach into either).

Male ( Figs. 77 View FIGURES 77−87 ̄87). Colour: yellowish with black tipped elytral apices; head, antennae and palpi dark brown; ventral surface of thorax and basal abdominal ventrites, and dorsal surface of abdomen, yellowish; LO creamy white; legs incomplete, yellowish with dark brown tibiae and tarsi. Pronotum: anterolateral corners angulate; lateral margins broader across posterior 2/3 than elsewhere (scored as B=C); posterolateral corners broadly rounded; PN W/GHW 1.3. Elytron: deflexed apex absent. Head: moderately exposed in front of pronotum; apical labial palpomere triangular in outline (L>W) with inner margin entire; FS 1 about as long as the pedicel; no FS laterally expanded. Legs: MFC present; 4̄5 visible teeth. Abdomen: posterior margins of V3 and V4 not recurved; LO in V7 entire, occupying most of the visible area of V7, reaching sides and into PLP and MPP; MPP short and wide, wider and longer than rounded PLP, and apex with a shallow medial emargination. T8 ( Figs. 81, 82 View FIGURES 77−87 ) with well defined lateral ridges; area to the side of ridges with spines and hairs absent; flanges absent; posterolateral margin with corners rounded, median emargination slightly sinuate; anterior paired prolongations of T8 rounded, shorter than the length to posterior half T8. Aedeagal sheath: with bulbous lateral paraprocts; lateral margins of division between anterior and posterior tergites of aedeagal sheath clearly marked. Aedeagus ( Figs. 85−87 View FIGURES 77−87 ): apices of LL very narrow; LL separated by slightly less than half their dorsal length; b/a 0.9; dorsal base of LL rounded, produced anteriorly.

Etymology. The species is named for its yellow colouration on most parts of the body. The name galbina is derived from Latin galbinus which means “yellowish”.

Remarks. It is very possible the three specimens described here are the same as P. sayangia sp. nov. with certain of the points of difference being attributed to the method of preservation (these specimens are pinned). These specimens were collected from Malaysian Borneo, Sarawak. The specimen from Niah was observed flying individually near the bushes and produced a yellow-amber flicker. All specimens have abdomen removed for genitalia dissection and two of them have DNA tissues extracted. DNA sequences are included in Barcode of Life Data Systems (BOLD) as “Luciolinae sp. 1” under following Process ID: MYFI 014-14 (Holotype) and MYFI 015- 14 (Paratype).