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New Australasian Parathalassiinae (Diptera: Dolichopodidae sensu lato)

Scott E Brooks¹, Jeffrey M Cumming²

¹Diptera Unit, Canadian National Collection of Insects, Agriculture and Agri-Food Canada, K.W. Neatby Building, 960 Carling Avenue, Ottawa, Ontario, K1A 0C6, CANADA . scott.brooks@agr.gc.ca.

|April 12, 2023

Abstract:

One species of Chimerothalassius Shamshev & Grootaert, namely C. marshalli sp. nov. is described from New Zealand, and two other species, namely C. riparius sp. nov. and C. sinclairi sp. nov. are described from New Caledonia. Two species of Microphorella Becker, namely M. bungle sp. nov. and M. viticula sp. nov., are described from Australia. These new parathalassiine descriptions increase the Australasian species diversity of Chimerothalassius and Microphorella to four species each. In addition, the genus Eothalassius Shamshev & Grootaert is recorded from New Caledonia based on a single female, and the male genitalia of the Australian species M. iota Colless is newly illustrated. A key to the genera and species of male Parathalassiinae in the Australasian Region is also provided.

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