Dicranomyia (Erostrata) Savchenko, 1976

Podenas, Sigitas, Park, Sun-Jae, Byun, Hye-Woo, Kim, A-Young, Klein, Terry A. & Aukštikalnienė, Heung-Chul Kim and Rasa, 2020, New data on Limoniinae and Limnophilinae crane flies (Diptera: Limoniidae) of Korea, Journal of Species Research 9 (4), pp. 492-531 : 496

Key to Korean species of the subgenus Dicranomyia (Erostrata) Savchenko (updated from Podenas et al., 2019)

1.Vein Sc long, reaching to about middle of Rs ( Fig. 1B ). Male gonostylus with densely spinose mesal surface ( Fig. 1C, D ). Hypovalva of ovipositor with smooth dorsal and ventral margins·················································· 2

– Vein Sc shorter, reaching to about one-third of Rs length at most. Male gonostylus without spines. Hypovalva of ovipositor with serrate dorsal and ventral margins ·······4

2. Posterior margin of ninth tergite of male genitalia with wide and shallow emargination, gonostylus elongate with rounded distal part············································ Dicranomyia (Erostrata) globithorax Osten Sacken, 1869

– Posterior margin of ninth tergite of male genitalia with deep emargination, gonostylus widened, lateral margin extended into an angle ( Fig. 1C, D ) ······························ 3

3. Gonostylus of male genitalia elongate, outer margin arched subapically, apical angle small, about one-fifth of gonostylus length ················································· Dicranomyia (Erostrata) globulithorax Alexander, 1924a

– Gonostylus of male genitalia wide, nearly as long along mesal margin as wide, outer margin nearly straight, apical angle large, about one-third of gonostylus length ( Fig. 1C, D )······································································ ····· Dicranomyia (Erostrata) submelas Kato et al., 2018

4. Brownish yellow species. Male gonostylus obtuseapexed·············································································· ··· Dicranomyia (Erostrata) tabashii ( Alexander, 1934a)

– Body dark brown dorsally, pale yellow ventrally. Distal part of male gonostylus elongate, beak-shaped ·············· ····· Dicranomyia (Erostrata) yazuensis Kato et al., 2018

Figures

Fig. 1. Dicranomyia(Erostrata) submelas Kato et al., 2018, male.A. antenna. B. wing. C. male genitalia, dorsal view. D. gonostylus. E. paramere. F. seventh sternite with internal sac. Scale bars: 0.1mm.