Limonia taurica (Strobl, 1895)

Ren, Jinlong & Yang, Ding, 2020, Two new species of Limonia Meigen, 1803 from Northwest China (Diptera, Limoniidae), ZooKeys 971, pp. 31-58 : 31

7. Limonia taurica (Strobl, 1895) Figures 55-57 , 58-61 , 62-63

Limnobia taurica Strobl 1895: 223.

Limonia sudetica Czizek 1931: 48 (synonymy).

Diagnosis.

Flagellar verticils 2.5 times longer than corresponding segment. Prescutum with five narrow, brown longitudinal stripes, except middle and lateral stripes dark brown. Wings with three dull-brown spots at basal Rs, apical Sc, and R2; Sc1 apically reaching 7/10 of Rs. Gonostylus with sharp apex and wider base. Apical paramere ended at 5/7 of aedeagus. Ventral margin of aedeagus with Y-shaped pattern.

Redescription.

Male (n = 3): body length 9-10 mm, wing length 7-8 mm.

Head dark brown (Figs 55 , 56 ). Vertex dark brown (Fig. 56 ). Occiput dull yellow, covered with black setulae. Antenna yellow and 14-segmented; scape and pedicel dull brown; flagellomeres brown, nearly cylindrical; flagellar verticils grayish yellow, 2.5 times longer than corresponding segment. Nasus 1/2 as long as rostrum. Labella pale yellow, covered with black setulae, except inner margin brown. Palpi brown, with black setulae.

Thorax mostly brown (Figs 55 , 56 ). Cervical sclerite dull brown, with black outer margin. Pronotum dark brown, with black setulae. Prescutum with five narrow, brown longitudinal stripes, except middle and lateral stripes dark brown, lateral margin of prescutum with oval, dark marking (Fig. 56 ). Scutum reddish brown, with triangular yellow marking at postero-lateral margin, covered with sparse setulae at anterior margin. Scutellum dull yellow, with pale yellow markings at posterior margin. Mediotergite reddish brown, with two dull yellow markings at posterior margin (Fig. 56 ). Mesopleura reddish brown; subspiracular sclerite reddish brown; katepisternum with black setulae. Legs with coxae and trochanters dull yellow, except frontal coxae brown; femora yellow with dark-brown subapical ring; tibiae yellow with reddish-brown subapical ring; tarsi yellow to dark brown onwards. Setulae on legs black. Wings brown with three dull-brown spots at basal Rs, apical Sc, and R2; Sc1 apically reaching 7/10 of Rs (Fig. 57 ). Halter: stem white to brown; knob brown but white at posterior part.

Abdomen mainly pale brown (Fig. 55 ). Each abdominal segment with broad, reddish-brown ring at posterior margin. Abdominal segments 7 and 8 entirely reddish brown. Abdominal setulae golden.

Hypopygium reddish brown (Figs 58-61 ). Posterior margin of tergite 9 slightly emarginated (Fig. 58 ). Gonocoxite long cylindrical. Gonostylus with sharp apex and the wider base (Figs 58 , 59 ). Paramere with fan-shaped base and blunt apex, ending at 5/7 of aedeagus (Figs 58-61 ). Aedeagus forked; ventral margin with mid-protrusion triangular in lateral view; ventral margin with Y-shaped middle and anterior margin rounded (Figs 49 , 51 ).

Female (n = 5): body length 8.5-9 mm, wing length 9-10 mm.

Female resembling male in head, thorax, and wing. Female terminalia pale yellow. Cercus yellow with slightly arched dorsally at apex, slender, and 3 times longer than wide at base. Hypogynial valve 5.3 times longer than wide at base; lateral margin with triangular, black marking (Figs 62 , 63 ).

Material examined.

2 males, 2 females, China: Xinjiang, Habahe, Baihabacun, 48.69N, 86.79E, elev. 1170 m, 2016.VII.12, Bing Zhang (light trap) (CAU). 1 male, China: Xinjiang, Burqin, Kanas, 48.68N, 86.99E, elev. 1470 m, 2016.VII.16, Jinlong Ren (CAU). 2 females, China: Xinjiang, Habahe, Baihabacun, 48.69N, 86.78E, elev. 1170 m, 2016.VII.13, Bing Zhang (light trap) (CAU). 1 male, China: Xinjiang, Burqin, Hemu, 48.56N, 87.44E, elev. 1150 m, 2016.VII.22, Jinlong Ren (CAU). 1 female, China: Xinjiang, Burqin, Hemu, 48.56N, 87.44E, elev. 1200 m, 2016.VII.23, Jinlong Ren (CAU). 2 males, 1 female, China: Inner Mongolia, Hohehot, Xiaojinggou, 39.79N, 111.40E, elev. 1400 m, 2016.VII.27, Ding Yang (CAU).

Distribution.

Albania, Austria, Belgium, Bosnia-Herzegovina, Bulgaria, China (Xinjiang: Burqin, Habahe; Inner Mongolia: Hohehot), Czech Rep., France, Germany, Italy, Macedonia, Montenegro, Poland, Romania, Slovakia, Slovenia, Spain, Switzerland, Turkey, Ukraine.

Remark.

This is the first report of this species from China.

Figures

Figures 55 - 57. Limonia taurica, male 55 male habitus, lateral view 56 head and thorax, dorsal view 57 right wing. Scale bars: 1.0 mm.

Figures 58 - 61. Limonia taurica, male 58 hypopygium, dorsal view 59 hypopygium, ventral view 60 hypopygium, lateral view 61 aedeagus and paramere. Scale bars: 0.1 mm.

Figures 62 - 63. Limonia taurica, female. 62 cercus and hypogynial valves, lateral view 63 cercus and hypogynial valves, ventral view. Scale bars: 1.0 mm.

Figures 48 - 52. Limonia sylvicola, male 48 hypopygium, dorsal view 49 hypopygium, ventral view 50 hypopygium, lateral view 51 aedeagus and paramere 52 habitat, Hemu, Burqin, Xinjiang, China on 22 June 2017. Scale bars: = 0.1 mm (48 - 51).