Homoneura (Homoneura) simigrandis, Shi, Li & Yang, Ding, 2014

Shi, Li & Yang, Ding, 2014, Supplements to species groups of the subgenus Homoneura in China (Diptera: Lauxaniidae: Homoneura), with descriptions of twenty new species, Zootaxa 3890 (1), pp. 1-117 : 40

Homoneura (Homoneura) simigrandis sp. nov.

( Figs 249–259)

Diagnosis. Wing with basal edges of brown apical spots on R 2 + 3, R 4 + 5 and M 1 behind vertical level of brown stripe on dm-cu, forming ladder-like slope; a small round spot on R 4 + 5, nearly middle point of distance between r-m and dm-cu; brown stripe over dm-cu with brown spot on upper margin larger than that on lower margin; subcostal cell pale brown. Male genitalia: reverse U-shaped pregonite with two arms asymmetrical distinctly and postgonite with a short process; aedeagus with a pair of lateral teeth subapically in ventral view

Description. MALE. Body length 6.7 mm, wing length 6.9 mm.

Head ( Figs 250–251) yellow. Frons brownish yellow except for pale yellow anterior marign, as long as wide; ocellar triangle yellow; oc developed, longer than anterior or; anterior or slightly shorter than posterior or; gena about 1 / 5 height of eye. Antenna yellow, 1 st flagellomere pale grayish brown on apical 1 / 3 (only one present, another one broken); 1 st flagellomere 2.0 times longer than height; arista dark except for brownish basally, ray short plumose with longest ray slightly shorter than height of 1 st flagellomere. Proboscis and palpus yellow.

Thorax ( Fig. 252) yellow. Mesonotum with 0+ 3 dc (anteriormost dc distinctly behind transverse suture), acr in irregular 8 rows, prsc as long as anteriormost dc. Legs yellow, tarsomeres 3–5 pale brown. Fore femur with 4 strong pv, 8 pd, and ctenidium with 12 short seta; fore tibia with 1 long preapical ad and 1 short apv. Mid femur with 4 a and 2 app; mid tibia with 1 strong preapical ad and 3 strong apv. Hind femur with 3 av (on apical 1 / 4) and 1 preapical ad; hind tibia with 1 preapical ad and 1 short apv. Wing ( Fig. 254) pale yellow, basal edges of brown apical spots on R 2 + 3, R 4 + 5 and M 1 behind vertical level of brown stripe on dm-cu, forming ladder-like slope; a small round spot on R 4 + 5, nearly middle point of distance between r-m and dm-cu; brown apical spots on R 2 + 3 and R 4 + 5 confluent, apical spot on M 1 separated from that on R 4 + 5; brown stripe over dm-cu with brown spot on upper margin larger than that on lower margin; subcostal cell pale brown; costa with 2 nd (between R 1 and R 2 + 3), 3 rd (between R 2 + 3 and R 4 + 5) and 4 th (between R 4 + 5 and M 1) sections in proportion of 5.2: 1.3: 1; r-m before middle of discal cell; ultimate and penultimate sections of M 1 in proportion of 1: 1.6; ultimate section of CuA 1 about 1 / 7 of penultimate. Halter yellow.

Abdomen ( Fig. 253) yellow. Male genitalia ( Figs 255–259): syntergosternite circular with dorsal setulae; epandrium broad, with 5 pairs of long dorsal setae in ventral view; surstylus curved with long setulae and many tiny teeth in lateral view; hypandrium nearly H–shaped with small acute ventral processes in different length, and hypandrial apodeme short; reverse U-shaped pregonite with two arms asymmetrical distinctly and postgonite with a short process; aedeagus with a pair of lateral teeth subapically in ventral view; aedeagal apodeme long.

Material examined. 1 ♂ ( USNM), CHINA, Kwantung, Yim Na San E., 10. VI. 1936, A.L.Melander collection 1961.

Distribution. China (Guangdong).