Diplonevra peregrina (Wiedemann)

Liu, Guang-Chun & Yang, Meng, 2016, A taxonomic revision of the genus Diplonevra Lioy (Diptera: Phoridae) from China, Zootaxa 4205 (1), pp. 31-51 : 35-36

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Diplonevra peregrina (Wiedemann)


Diplonevra peregrina (Wiedemann)

( Figs. 7, 8 View FIGURES 1 – 8 , 36 View FIGURES 33 – 48 , 52 View FIGURES 49 – 64 )

Trineura peregrina Wiedemann, 1830: 600 (Canton) . Diploneura peregrina: Schmitz, 1929: 13 .

Phora sinensis Schiner, 1868: 223 . Synonymized by Schmitz 1949: 233.

Phora conventa Brues, 1911: 537 . Synonymized by Schmitz 1949: 233.

Dohrniphora setitibia Malloch, 1925: 333 . Synonymized by Borgmeier 1967: 131.

Male: Head. Frons yellow, with 80–100 scattered hairs. Mean frontal width 0.5 of head width. First row of bristles straight, all four bristles are equidistant. Second row of bristles concave, pre-ocellar bristles further apart than either is from a mediolateral. Supra-antennal bristles well below antials and close each other. Postpedicel brownish yellow, spherical, with pointed tip. Palpus yellow and 3 times as long as its breadth, with 6–8 bristles on ventral apex and about 30 hairs on venter. Proboscis pale yellow. Thorax. Scutum and scutellum yellow. Notopleuron with 3 bristles. Scutellum with 4 bristles. Legs yellow. Front tibia with a dorsal bristle two fifths of length from base and with 5–8 small differentiated hairs extending below this to the tip. Mid tibia with 2 longitudinal hair palisades, anterodorsal one deflected onto anterior face and extending to 3/4 (0.71) of tibia. Posterior face of hind trochanter with about 10 short bristles. Posterior face of hind femur with 1 stout bristles and 20 fine hairs along ventral margin, lacking ascending process. Hind tibia with 2 palisades, 3 anterodorsal bristles and 2–4 anteroventral bristles. Wing 3.19–3.21 mm long. Costal index 0.49–0.50. Costal ratios 10.08–10.10:3.0–3.2:1. Costal cilia 0.06– 0.07 mm long. Vein M1 curved. Axillary ridge with 3–5 axillary bristles. All veins brown and membrane yellowish brown. Haltere pale yellow. Abdomen. Tergites dark brown with pale yellow of anterior and posterior margins, with small hairs on tergites 1–5, but longer hairs on tergite 6. Venter light yellow. Hypopygium brown. Left side of epandrium narrow with 1 bristle and several hairs. Right side of epandrium broad, with 1 bristle and several short hairs toward posterior margin. Both sides of hypandrium broad, tomentose. Circus and stalk of circus pale yellow. Body length 3.0–4.0 mm.

Female. Head similar to male except as follows. Frons yellow, shinning. Postpedicel orange yellow. Proboscis pale yellow, elongate, extending beyond postpedicel. Wing 2.75–4.25 mm long. Costal index 0.47–0.51. Costal ratios 8.5–11.4: 2.4–2.5:1. Costal cilia 0.06–0.07 mm long. Abdominal tergites dark brown, only four tergites. Body length 2.6–4.75mm.

Distribution. Widely distributed in China, and in eastern and southern Asia, Japan, pacific Islands and Australia.

Specimens examined. 7♂ 5♀, Guangdong, Dinghu Mountain (23°10′N, 112°33′E), 24–Aug–1992, Guangchun Liu, WangMin GoogleMaps ; 1♂ 1♀, Guangxi, Guilin (25°16′N, 110°17′E), 4–Apr–1992, Guangchun Liu, Wang Min GoogleMaps ; 1♂, Guangxi, Longsheng (22°39′N, 114°01′E), 30–May–1992, Guangchun Liu, Wang Min GoogleMaps ; 1♂, Guangxi, Nanning (22°49′N, 108°22′E), 27–May–1992, Guangchun Liu, Wang Min GoogleMaps ; 4♂ 1♀, Guangxi, Nanning (22°49′N, 108°22′E), 15–May–1992, Guangchun Liu, Wang Min GoogleMaps ; 1♂, Guangxi, Nanning (22°49′N, 108°22′E), 10–May– 1992, Guangchun Liu, Wang Min GoogleMaps ; 1♂, Guangxi, Baise (23°54′N, 106°37′E), 15–Aug–1981, Yiwang Xu GoogleMaps ; 1♂, Yunnan, Menglun (21°57'N, 101°15'E), 22–May–1991, Guangchun Liu, Yinglun Wang GoogleMaps ; 1♂, Hainan, Wuzhi Mountain (18°47′N, 109°34′E), 17–Apr–1992, Guangchun Liu, Wang Min GoogleMaps ; 1♂, Hainan, Jianfeng Mountain (18°41′N, 108°59′E), 6–Apr–1992, Guangchun Liu, Wang Min GoogleMaps ; 2♂, Shaanxi, Yangling (34°16′N, 108°07′E), 16– Oct–1991, Guangchun Liu GoogleMaps ; 1♂, Shaanxi, Yangling (34°16′N, 108°07′E), 25–Aug–1992, Guangchn Liu GoogleMaps ; 1♂, Shaanxi, Yangling (34°16′N, 108°07′E), 6–Aug–1992, Guangchun Liu GoogleMaps ; 1♂, Henan, Nanzhao (33°29′N, 112°26′E), 17–Aug–2005, Hong Fang GoogleMaps ; 1♂, Liaoning, Shenyang (41°45′N, 123°38E), 31–Aug–1992, Guangchun Liu.

Remarks. The species is easily distinguished from other species of the genus by 2 hair palisades of hind tibia, 3 anterodorsal bristles and 2–4 anteroventral bristles before apical quarter of hind tibia and wing vein M1 curved.














Diplonevra peregrina (Wiedemann)

Liu, Guang-Chun & Yang, Meng 2016

Dohrniphora setitibia

Borgmeier 1967: 131
Malloch 1925: 333

Phora conventa

Schmitz 1949: 233
Brues 1911: 537

Phora sinensis

Schmitz 1949: 233
Schiner 1868: 223

Trineura peregrina Wiedemann, 1830 : 600 (Canton)

Schmitz 1929: 13
Wiedemann 1830: 600