Dicranoptycha Osten Sacken, 1860

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 : 497

Key to Korean species of the genus Dicranoptycha Osten Sacken (updated from Podenas et al., 2015)

1. Abdomen brown or dark brown···································2

– Abdomen light brown or yellow. Posterior margin of aedeagal process rounded or very shallowly concave···3

2. Posterior margin of outer gonostylus distinctly serrated ( Fig. 2C ), posterior margin of aedeagal process round- ed·················· Dicranoptycha venosa Alexander, 1924a

– Posterior margin of outer gonostylus smooth, posteri- or margin of aedeagal process deeply concave, “M”- shaped ··· Dicranoptycha prolongata Alexander, 1938a

3. Radial sector of wing very short. Antenna light brown or yellow, distal flagellomeres yellow··························· ··· Dicranoptycha gyebangsaniana Podenas et al., 2015

– Radial sector long. Antenna dark brown or blackish, distal flagellomeres at least brownish··························4

4. Prescutum with three dark brown to blackish longitudinal stripes, that are more or less confluent posteriorly. Head light gray. Male body length above 9 mm ············· ················ Dicranoptycha diacantha Alexander, 1938a

– Prescutum with four dark brown, blurred, but not interrupted longitudinal stripes. Head brown or dark gray. Male body length less than 9 mm ···································· ·· Dicranoptycha buksubaeksaniana Podenas et al., 2015

Figures

Fig. 2. Dicranoptycha venosa Alexander, 1924, male.A. antenna. B. wing. C. male genitalia, dorsal view. Scale bars: 0.5mm.