Limonia fusciceps subsp. fusciceps Alexander 1924

Limonia fusciceps fusciceps Alexander, 1924

(Figs. 11–15)

Limonia fusciceps Alexander, 1924: 155.

Examined material: Holotype, female (wing slide-mounted), Japan, Hokkaido, Shimokebo, prov. Hitaka, Aug. 13, 1923, S. Kuwayama (USNM); allotype, male (slide-mounted), Japan, Mt. Shirouma, Shinano –Alps, VIII–8, 31 [1931], Machida (USNM); 14 males, 13 females (pinned), N. Korea, Ompo, altitudes from 180 to 800 ft., from May 18 to June 9, 1937 and 1938, Yankovsky (USNM); 2 females (pinned), North Korea, Kankyo Nando, Puksu Pyaksan, altitudes 5500 and 6000 ft., July 17 and 24, 1939, A. Yankovsky (USNM).

General body coloration yellow. Male body length 5.7–6.7 mm, female 6.0– 7.6 mm, wing length of male 8.1– 9.5 mm, of female 8.7–10.3 mm. Wing reaches distinctly beyond tip of abdomen in both sexes.

Head. Dark brown, pruinose. Male antenna 1.7–1.9 mm long, female 1.7 mm, 14-segmented. Scape elongate, dark brown at base, lighter towards apex. Pedicel short, yellowish brown. Antennal flagellum from yellow at base to brownish at apex; basal segments oval, distal segments subcylindrical, covered with a dense whitish pubescence. Verticils more than twice as long as respective segments. Rostrum and palpus brownish black.

Thorax. Pronotum shiny brown dorsally, obscure yellow laterally. Mesonotal prescutum yellow with small brown triangle at frontal margin. Scutal lobes, scutellum and mediotergite yellow. Pleuron obscure to pale yellow.

Wing (Fig. 11) yellowish, stigma indistinct. Veins yellowish brown, except yellowish at wing base and frontal margin. Venation: Sc1 reaching to about two fifths of Rs, Sc2 at tip of Sc1. Rs long, angulate at base. Basal deflection of CuA1 before branching point of M. Halter pale, 1.6–1.8 mm long in male, 1.5–1.8 mm in female. Coxae and trochanters yellow. Femora obscure yellow, apex narrowly but distinctly darkened. Tibiae and basal tarsomere brownish yellow, remaining tarsomeres brown. Male femur I: 4.4–5.1 mm, II: 4.9–5.5 mm, III: 4.8–5.7 mm; tibia I: 5.6–6.5 mm, II: 5.2–5.8 mm, III: 5.3–6.6 mm; tarsus I: 6.1–6.8 mm, II: 5.3–5.9 mm, III: 4.7–5.6 mm. Female femur I: 5.4 mm, II: 5.4–6.1 mm, III: 5.1–5.9 mm; tibia I: 6.9–7.9 mm, II: 5.4–6.5 mm, III: 6.1–7.0 mm; tarsus I: 6.4 mm, II: 5.2–6.1 mm, III: 4.8–5.8 mm.

Abdomen. Brownish yellow in male, yellow in female. Male genitalia (Figs. 12, 13) same color as abdomen. Ninth tergum with widely rounded posterior margin. Gonocoxite with medium-large, rounded, setose ventromesal lobe. Gonostylus elongate, base widened, distal part narrow and slightly arched. Paramere with large blackened narrow distal part. Penis comparatively long, narrow, bifid at apex, tip sharply curved downwards. Base of ovipositor and hypovalva yellow, cercus brown with distinctly black base, apex bifid (Figs. 14, 15).

Elevation range in Korea. Adults were collected at altitudes ranging from about 50 m to more than 1800 m.

Period of activity. Adults are active and on the wing from the middle of May through the end of July.

Habitat. Information for the habitat of this species in Korea is unavailable. Savchenko, Krivolutskaya (1976) mentioned that this species is most abundant in wet forests and among tall grass at marshy river margins.

General distribution. Currently known from the Far East of Russia and Japanese islands and recorded here from the Korean Peninsula for the first time.