Cordilura remmi Elberg, 1972

Iwasa, Mtsuhiro, 2020, Contribution to the knowledge of the genus Cordilura Fallén (Diptera, Scathophagidae) from Japan, with descriptions of three new species, Zootaxa 4748 (3), pp. 471-484 : 477-478

Cordilura remmi Elberg, 1972

[Japanese name: Higenaga-okuro-funbae]

( Figs 17–20 )

Cordilura remmi Elberg, 1972 . Type locality: Sakhalin Island, environment of South Sakhalinsk, USSR [ Russia]. Phrosia remmi: Šifner, 2008 .

Cordilura remmi: Ozerov & Krivosheina, 2014 .

Material examined. [Hokkaido] 1♂, Atsunai, Japan, 22. vii. 1951, leg. Y. Nishijima; 1 ♂, Hokkaido Univ. Forest ., Teshiogawa, Otoi-neppu, 4. viii. 2016, leg. S. Shinonaga ; 1♀, Tokachi-mitsumata , Tokachi, 22. ix. 1996, leg. M. Iwasa ; 1♀, Asahikawa , 16. vii. 1957 , leg. R. Kano ; 1♀, Mani Spa , Kurisawacho-nishimanzi, Iwamizawa City, 24. vi. 2014, leg. D. Kato.

Diagnosis. C. remmi Elberg ( Fig. 17 ) can be recognized by long postpedicel which is about 3 times as long as wide ( Fig. 18 ), shining body, black thorax and abdomen, black femora and brown tibiae and tarsi, and male surstylus ( Figs 19, 20 ) which is apically bifurcated into anterior and posterior lobes.

Length (♂ ♀). Body, 9.0–10.0 mm; wing, 7.2–7.3 mm.

Distribution. Japan (Hokkaido), Russia (Amur Oblast, Jewish Autonomus Oblast, Kamchatka Kray, Khabarovsk Kray, Primorskiy Kray, Sakhalin Oblast (the Kuril Is., Sakhalin Is.), Zabaikalskiy Kray ( Ozerov & Krivosheina, 2014). New to Japan.

Remarks. According to Ozerov & Krivosheina (2017), this species is closely related to C. negrobovi Ozerov & Krivosheina , but is distinguished from it by the structures of male sternite V and surstylus.

Figures

FIGURES 17–20. Cordilura remmi Elberg, specimen from Hokkaido. 17, male adult, lateral view; 18, postpedicel and pedicel, left lateral view; 19, male terminalia, lateral view; 20, male terminalia, posterior view.