Abstract
A new material of the genus Hercostomus Loew, 1857 has been recently found and identified. Hercostomus tomkovichi sp. n. from Meghalaya State of eastern India is described and illustrated. The new species differs from other representatives of the genus mainly in the morphology of the male hind leg and genitalia. Gymnopternus bitinctus (Becker, 1922), comb. n., is declared as a nomen dubium; Gymnopternus gregalis (Becker, 1922), comb. n., is excluded from the Indian list; Hercostomus geminatus Becker, 1922 is transferred to the genus Pseudohercostomus Stackelberg, 1931; hence a new combination is made: Pseudohercostomus geminatus (Becker, 1922), comb. n. Now, nine Hercostomus species are known from the country. An identification key to species of Hercostomus from India is provided.
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ACKNOWLEDGMENTS
The author is sincerely grateful to Drs. N.E. Vikhrev and A.L. Ozerov (ZMMU) for their kindness in providing specimens for this study and to K. Tomkovich (Moscow) for preliminary sorting of trap samples. Two anonymous reviewers kindly commented on the earlier drafts of the manuscript.
Funding
The study was funded by the All-Russian Institute of Plant Protection project no. FGEU-2022-0002.
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Grichanov, I.Y. A New Species of Hercostomus Loew, 1857 (Diptera, Dolichopodidae) from India with Some Nomenclatural Notes. Entmol. Rev. 103, 684–691 (2023). https://doi.org/10.1134/S001387382306009X
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DOI: https://doi.org/10.1134/S001387382306009X