Noonamyia bipunctata, Shi, Yang & Gaimari, 2011

Shi, Li, Yang, Ding & Gaimari, Stephen D., 2011, Four new species from China and Southeast Asia (Diptera, Lauxaniidae, Homoneurinae), Revue suisse de Zoologie 118 (4), pp. 667-693 : 682-684

Noonamyia bipunctata sp. n. Figs 11-15, Plate B3

MATERIAL: HOLOTYPE 3 ( CAUC): China , Guangxi Province, Jinxiu , Dayaoshan National Nature Reserve , Longjunshan , 240-700 m, 27.32N / 111.58E, 29.VII.2005, Yajun Zhu. PARATYPE: CHINA. – Guangxi Province, Jinxiu , Dayaoshan National Nature Reserve , Longjunshan, 240-700 m, 27.32N / 111.58E, 29.VII.2005, Yajun Zhu (1♀, CAUC) .

ETYMOLOGY: Latin, bi -, prefix meaning two + punctata, meaning spotted, referring to the wing with two round hyaline spots in cell r 4+5; a feminine adjective.

DIAGNOSIS: Antennal 1st flagellomere yellow, except brown on apical 1/3. Palpus brown. Mid and hind femora with a pair of brown lateral spots at tip, tarsomeres 4-5 pale brown. Wing with a hyaline stripe extending downward from Costa to CuA 1 before vertical level of r-m, separated from a short hyaline stripe in cell cua 1; two round hyaline spots in cell r 4+5, a hyaline apical stripe between R 4+5 and M 1; no spots on r-m and dm-cu; subcostal cell brown. Abdominal tergites 1-2 yellow with a brown transverse median band on tergite 2, and tergites 3-6 black.

DESCRIPTION

Length: Body 3.1 mm, wing 3.0 mm.

Head yellow. Frons about as long as wide and parallel–sided, with 2 brown stripes extending to ocellar triangle; ocellar triangle black; oc and or broken. Face pale yellow, with a pair of shining brown spots at ventral corner. Gena about 1/5 height of eye. Antenna yellow, except 1st flagellomere brown on apical 1/3, 2.0 times longer than high; arista blackish brown, plumose, with longest setula slightly longer than height of 1st flagellomere. Proboscis yellow, with yellowish and blackish setulae; palpus pale brown, with blackish setulae.

FIGS 11-15

Noonamyia bipunctata sp. n., male holotype. (11) Epandrium and protandrium, lateral view. (12) Protandrium, anterior view. (13) Epandrium, posterior view. (14) Aedeagal complex, ventral view. (15) Aedeagal complex, lateral view. Scale 0.1 mm

Thorax blackish brown except yellow on basal 1/4. Mesonotum with 0+3 dc, acr in 6 rows. 1 anepst, 1 kepst. Scutellum entirely yellow.

Legs yellow. Mid and hind femora with a pair of brown lateral spots at tip, tarsomeres 4-5 pale brown. Fore femur with 3 pv and 4 pd, ctenidium with 9 short setulae; fore tibia with 1 weak preapical ad and 1 apv. Mid femur with 4 a; mid tibia with 1 preapical ad and 2 strong apv. Hind femur with a row of weak av; hind tibia with 1 weak preapical ad and 1 short apv.

Wing (Plate B3) with a hyaline stripe extending downward from Costa to CuA 1 before vertical level of r-m, separated from a short hyaline stripe in cell cua 1; two round hyaline spots in cell r 4+5, a hyaline apical stripe between R 4+5 and M 1; no spots on r-m and dm-cu; subcostal cell brown; Costa with 2nd (between R 1 and R 2+3), 3rd (between R 2+3 and R 4+5) and 4th (between R 4+5 and M 1) sections in proportion of 1.5 mm: 0.5 mm: 0.4 mm; r-m beyond middle of distal cell; ultimate and penultimate sections of M 1 in proportion of 1.0 mm: 1.1 mm; ultimate section of CuA 1 about 1/5 of penultimate. Halter pale yellow.

Abdominal tergites 1-2 yellow, with a brown transverse median band on tergite 2; tergites 3-6 black and protandrium and epandrium yellow. Male genitalia (Figs 11-15): protandrium semicircular; epandrium U-shaped in ventral view, with long setae on ventral margin; surstylus consisting of a short claviform process and a long subuliform process with three teeth and many setulae; hypandrium V-shaped with a pair of knife-like processes; gonopod short, wide with two or three teeth and one or two apical setae in ventral view; aedeagus curved apically, with a pair of triangular basal processes in ventral view; aedeagal apodeme Y-shaped, longer than aedeagus.

REMARKS: The new species is similar to Noonamyia lyneborgi Stuckenberg from the Philippines (Palawan Island) in the wing with two round hyaline spots in cell r 4+5, abdomen with tergites 1-2 yellow and tergites 3-6 black. But it can be separated from the latter by the fore tibia having 1 weak preapical ad, the wing having a hyaline stripe extending downward from Costa to CuA 1 and separated from a short hyaline stripe in cell cua 1, the surstylus consisting of a short claviform process and a long subuliform process with three teeth and many setulae. In N. lyneborgi, the fore tibia has no preapical ad; the wing has a complete hyaline stripe extending from costal margin to posterior margin before the vertical level of r-m; the surstylus has a tiny apical tooth ( Stuckenberg, 1971; Sasakawa & Pong, 1990).

DISTRIBUTION: China (Guangxi).