Orthacheta cornuta ( Loew, 1863 )

Ozerov, A. L. & Krivosheina, M. G., 2015, A review of the genera Cleigastra Macquart, Gonarcticus Becker, Gonatherus Rondani, Hexamitocera Becker, Nanna Strobl, Orthacheta Becker and Spathephilus Becker (Diptera, Scathophagidae) of Russia, Zootaxa 4012 (2), pp. 201-258 : 250

publication ID	https://doi.org/10.11646/zootaxa.4012.2.1
publication LSID	lsid:zoobank.org:pub:F8A186B9-EE1C-43CC-AB9C-F8CCB1A03794
DOI	https://doi.org/10.5281/zenodo.6096261
persistent identifier	https://treatment.plazi.org/id/3A407A65-FFA5-A728-80FA-FF7F2872FC39
treatment provided by	Plazi
scientific name	Orthacheta cornuta ( Loew, 1863 )
status

Treatment

Orthacheta cornuta ( Loew, 1863) View in CoL

Figs 8 View FIGURES 1 – 8 , 166–174 View FIGURES 163 – 170 View FIGURES 171 – 178 .

cornuta Loew, 1863: 26 ( Cordylura) View in CoL . Type-locality: “English River” ( Canada, Ontario).

fuscipennis Hendel, 1930: 8 ( Orthochaeta ). Type-locality: “Klutchi” ( Russia, Kamchatka Kray).

Remarks. Besides Hendel’s (1930: 8, as fuscipennis) record from Kamchatka, this species was recorded for the Russian Far East by Ozerov & Krivosheina (2014b: 215).

Material examined. Arkhangelsk Oblast: Nar'yan-Mar ( 67.631761N, 52.985770E), 7.VII.2008, N.E. Vikhrev (2 ♂♂, ZMUM); Kamchatka Kray: Bay Vestnik ( 51.4823N 157.5301E), 27.VII.1999, A. Leley, S. Storozhenko (1 ♀, ZMUM); Valley of Geysers (ca. 54.43N 160.15E), 12.VIII.1985, V. Zlobin (2 ♂♂, 1 ♀, ZISP); Komi: Schel'yaboj ( 66.29N 56.45E), 14.VIII.1978, Gorodkov ( 1 ♂, ZISP); Inta ( 66.0362N 60.1628E), 5.VIII.1985, Gorodkov ( 1 ♂, ZISP); Krasnoyarsk Kray: Igarka ( 67.457N 86.598E), Enisey, 30.VI.1967, Gorodkov (8 ♂♂, ZISP).

Diagnostic description. Body-length 5.0–7.0 mm. Head. Frons usually black in upper part and yellow in lower third or half. Postpedicel approximately 3 times as long as pedicel. Thorax black, grey dusted. Proepisternum with hairs in central part. Katepisternum with 3 strong setae, in ventral corner with yellow setae. Legs yellow, only tarsi darkened. Fore coxae with white hairs. Femora slender. Wing usually distinctly brownish. Abdomen black, greyish dusted. Male sternite 4 rectangular, 2 times as long as wide ( Fig. 169 View FIGURES 163 – 170 ). Male sternite 5 as in Fig. 166 View FIGURES 163 – 170 . Epandrium, cerci and surstyli as in Figs 167, 168 View FIGURES 163 – 170 .

Distribution. Russia ( Fig. 170 View FIGURES 163 – 170 ): Arkhangelsk Oblast and Komi ( first record for Europe), Kamchatka Kray, Krasnoyarsk Kray, Primorskiy Kray.—North America.