Limonia stigma (Meigen, 1818)

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

publication ID

https://dx.doi.org/10.3897/zookeys.971.35875

publication LSID

lsid:zoobank.org:pub:16EEDB7D-1341-4DD0-9498-A37D9F0DC5DD

persistent identifier

https://treatment.plazi.org/id/3A177995-18CD-55C0-AAA4-5BFAFED2B8AA

treatment provided by

ZooKeys by Pensoft

scientific name

Limonia stigma (Meigen, 1818)
status

 

4. Limonia stigma (Meigen, 1818) Figures 26-28 View Figures 26–28 , 29-32 View Figures 29–32 , 33-34 View Figures 33–34

Limnobia stigma Meigen 1818: 138.

Limnobia terrestris Linnaeus 1758: 586 (synonymy).

Limnobia sexnotata Schumme 1829: 111 (synonymy).

Limnobia punctigera Walker 1856: 298 (synonymy).

Diagnosis.

Flagellar verticils black, 1.6 times longer than corresponding segment. Prescutum with one triangular, brown longitudinal stripe. Wing pale brown, with one small grayish black marking at R2; Sc1 apically reaching 1/2 of Rs. Gonocoxite long cylindrical. Gonostylus with sharp apex and swollen, hairy base. Paramere with fan-shaped base and blunt apex that ends at 1/2 of aedeagus. Aedeagus with Y-shaped pattern at mid-ventral margin. Female, hypogynial valve 2.3 times longer than wide at base.

Redescription.

Male (n = 19): body length 7-9 mm, wing length 8-9 mm.

Head yellow (Figs 26-28 View Figures 26–28 ). Vertex yellow. Occiput dull yellow, covered with black setulae. Antenna yellow and 14-segmented; scape yellow; pedicel oval; flagellomeres cylindrical and bicolor, brown at base and pale yellow at apex; flagellar verticils black, 1.6 times longer than corresponding segment. Rostrum and nasus pale yellow, nasus 1/4 as long as rostrum. Labella pale yellow, with black setulae, except inner margin brown. Palpi yellow except terminal segment brown.

Thorax mostly yellow (Figs 17 View Figures 17–19 , 18 View Figures 17–19 ). Cervical sclerite yellow with black margin at antero-lateral margin. Pronotum dark brown, with black setulae. Prescutum with one brown, triangular longitudinal stripe (anterior part wider than posterior part); two setulae and longitudinal rows at middle. Scutum pale yellow, with black, oblique setulae at middle. Scutellum white. Mediotergite pale yellow, variegated with white (Fig. 27 View Figures 26–28 ). Mesopleura pale yellow to yellow; subspiracular sclerite yellow; katepisternum with black setulae. Legs with coxae and trochanters yellow; femora dull yellow with one dark-brown subapical ring; tibiae brown with dark-brown subapical ring; tarsi brown to dark brown. Setulae on legs black. Wing hyaline, pale brown with one small grayish black marking at R2; Sc1 apically reaching 1/2 of Rs; basal deflection of CuA1 before branching point of M (Fig. 28 View Figures 26–28 ). Halter dull yellow; knob bicolor, with upper part dull yellow and lower part white (Fig. 26 View Figures 26–28 ).

Abdomen mainly yellow (Fig. 26 View Figures 26–28 ). Sternite 7 reddish brown. Each abdominal segment with one pale-brown ring at posterior margin. Abdomen covered with golden setulae.

Hypopygium yellow (Fig. 26 View Figures 26–28 ). Posterior margin of tergite 9 emarginated (Fig. 29 View Figures 29–32 ). Gonocoxite long cylindrical. Gonostylus with sharp apex and swollen and hairy base (Figs 29 View Figures 29–32 , 30 View Figures 29–32 ). Paramere with fan-shaped base and blunt apex that ended at 1/2 of aedeagus (Figs 29-32 View Figures 29–32 ). Aedeagus forked; ventral margin with mid-protrusion triangular in lateral view; unique Y-shaped pattern at middle that anterior margin with short mid-protrusion (Figs 20-23 View Figures 20–23 ).

Female (n = 11): body length 7.5-9 mm, wing length 7.5-10 mm.

Female resembling male in head, thorax, and wing. Female terminalia pale yellow. Cercus yellowish brown, slightly arched dorsally at apex, slender, and 3 times longer than wide at base. Hypogynial valve 2.3 times longer than wide at base; lateral margin with triangular black marking (Figs 33 View Figures 33–34 , 34 View Figures 33–34 ).

Material examined.

6 males, China: Xinjiang, Burqin, Hemu, 48.43N, 87.57E, elev. 1040 m, 2016.VII.21, Jinlong Ren (CAU). 13 males, 2 females, China: Xinjiang, Burqin, Hemu, 48.58N, 87.45E, elev. 1160 m, 2016.VII.21, Jinlong Ren (CAU). 32 males, 16 females, China: Xinjiang, Burqin, Hemu, 48.56N, 87.44E, elev. 1150 m, 2016.VII.22, Jinlong Ren (CAU). 10 males, 3 females, China: Xinjiang, Burqin, Hemu, 48.56N, 87.44E, elev. 1200 m, 2016.VII.23, Jinlong Ren (CAU).

Distribution.

Armenia, Austria, Belarus, Belgium, Bulgaria, China (Xinjiang: Burqin), Czech Rep., Denmark, Estonia, Finland, France, Germany, Great Britain, Hungary, Italy, Lithuania, Netherlands, Poland, Romania, Russia, Slovakia, Slovenia, Sweden, Switzerland, Ukraine.

Remark.

This is the first report of this species from China.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Limoniidae

Genus

Limonia

Loc

Limonia stigma (Meigen, 1818)

Ren, Jinlong & Yang, Ding 2020
2020
Loc

Limnobia punctigera

Walker 1856
1856
Loc

Limnobia sexnotata

Schummel 1829
1829
Loc

Limnobia stigma

Meigen 1818
1818