Limonia annulata Lackschewitz, 1940

Podenas, Sigitas & Podeniene, Virginija, 2017, Limonia crane flies (Diptera: Limoniidae) of Korea, Zootaxa 4231 (1), pp. 1-37 : 6-8

Limonia annulata Lackschewitz, 1940

( Figs. 1–4 )

Limonia annulata Lackschewitz in Lackschewitz and Pagast, 1940: 6 .

Examined material: 4 males, 2 females (pinned), N. Korea, Chonsani Paiktusan, altitudes 3500 and 3800 ft., July 17 and 21, 1937, Yankovsky ( USNM) ; 5 males, 3 females, 1 specimen of unclear sex (pinned), North Korea, Seren Mts. , altitudes from 3000 to 4500 ft., June 30 to July 10, 1938, Yankovsky ( USNM) ; 3 males, 2 females (pinned), North Korea, Kankyo Nando , Puksu Pyaksan, altitudes 5500 and 6000 ft., June 25 and July 10, 1939, A. Yankovsky ( USNM) ; 1 male (pinned), N. Korea, Chonsani , alt. 6000 ft., VI –7–40 [1940], coll. Yankovsky ( USNM) ; 1 specimen, sex unknown (pinned), Korea, Prov. Ryang-gang: Chann-Pay plateau, Sam-zi-yan, 1600 m, No. 198, 25 Aug. 1971, leg. S. Horvatovich et J. Papp, [Malaise trap in Larix – Betula forest along a road] ( HNHM). General body coloration brownish yellow. Male body length 7.4–9.8 mm, female 9.7–11.3 mm, wing length of male 9.8–10.9 mm, of female 10.9–11.4 mm. Wing reaches distinctly beyond tip of abdomen in both sexes.

Head. Dark brown, dusted with gray. Male antenna 2.0– 2.4 mm long, female 2.1–2.2 mm. Scape brown, pedicel obscure yellow, basal flagellomere yellow, second to eigth flagellomeres brownish with narrowly yellow base, distal flagellomeres brownish. Verticils about three times as long as respective segments. Rostrum, palpus and labella dark brown.

Thorax. Pronotum brown. Mesonotal prescutum polished, brownish-yellow with three dark brown longitudinal stripes. Lateral stripe short. Scutal lobe brown with yellowish stripe along the middle, scutellum brownish yellow, mediotergite brownish yellow with longitudinal brown stripe. Pleuron obscure yellow with brownish spot at the middle of episternum, ventral part of katepisternum brown. Wing ( Fig. 1 ) yellowish, stigma small but distinct, rounded. Veins brown, except yellowish Sc. Small dark spots at base of Rs and tips of Sc1 and Sc2, darker area extends along vein Cu. Venation: Sc1 reaching to about two thirds of Rs length, Sc2 at tip of Sc1. Rs long, slightly arched. Basal deflection of CuA1 at branching point of M. Halter yellowish with brown knob, 1.7–2.0 mm long in male, 1.7–1.8 mm in female. Coxae and trochanters brownish yellow. Femora yellow, apex distinctly darkened. Tibiae yellow, distal part narrowly darkened. Tarsomeres brown, except yellowish base of basal tarsomere. Male femur I: 6.4–6.8 mm, II: 7.2–7.4 mm, III: 6.9–7.8 mm; tibia I: 7.5–8.3 mm, II: 7.9–8.0 mm, III: 7.8–8.5 mm; tarsus I: 7.2–8.9 mm, II: 7.8 mm, III: 7.4–7.9 mm. Female femur I: 6.1–6.7 mm, II: 7.1 mm, III: 7.0– 7.9 mm; tibia I: 7.1– 8.4 mm, II: 7.6 mm, III: 8.1–9.0 mm; tarsus I: 7.1–8.0 mm, II: 6.8 mm, III: 7.8 mm.

Abdomen. Tan with broadly brown posterior margins of segments. Male genitalia ( Figs. 2, 3 ) rusty yellow. Ninth tergum with widely rounded posterior margin and small apical emargination. Gonocoxite without ventromesal lobe. Gonostylus wide at base, distal part elongate and slightly arched. Paramere with wide, short, rounded distal appendage. Penis comparatively long, narrow, bifid at apex. Ovipositor ( Fig. 4 ) yellowish brown, hypovalva with subbasal dark brown spot at dorsal margin. Cercus long and narrow, slightly arched. Hypovalva reaching to about middle of cercus.

Variation. Single specimen from Ryang-gang province, collected in 1971 (abdomen broken), is distinctly darker than remaining specimens, with yellowish to brownish gray areas on thorax instead of yellow.

Elevation range in Korea. 900 m to more than 1800 m.

Period of activity. Adults are active and on the wing from early June through end of August.

Habitat. Mixed larch and birch forest. Yadamsuren et al. (2015) listed this species as using terrestrial habitats in the larval stage.

General distribution. Species is known from southern part of Siberia and Far East of Russia, Mongolia and and recorded here from the Korean Peninsula for the first time.

Figures

FIGURES 1 – 4. Limonia annulata. 1: wing; 2: male genitalia, dorsal view; 3: male genitalia, ventral view; 4: ovipositor, lateral view.