Dolichopus terminasianae Negrobov, Selivanova et Maslova, 2011

Grichanov, Igor Ya. & Khruleva, Olga A., 2020, New records of long-legged flies (Diptera, Dolichopodidae) from Wrangel Island Nature Reserve (Chukotka AD, Russia), Acta Biologica Sibirica 6, pp. 551-562 : 551

Dolichopus terminasianae Negrobov, Selivanova et Maslova, 2011

Reference.

Grichanov and Khruleva 2018: 40, Fig. 4 .

Material.

2♂, 5♀, Upper reaches of the Neizvestnaya River, 71°13'N, 179°19'W, moderately humid and dry biotopes with willow-sedge-moss and “tundra-steppe” forb-sedge cover, yellow pan traps, 20- 22.07.2019, O.A. Khruleva ; 1♀, Vyuchnyi brook, 71.003889°N, 179.703667°W, the lower part of the southern gravelly slope with a spotted lichen-moss-herb-sedge “tundra-steppe” cover, hand collection, 24.07.2019, O.A. Khruleva .

Additional Material.

1♂, Middle Yamal : [Obskaya Guba], River Nurma-Yakha (=Nulmayakha), Malaise trap, 27.07- 1.08.1991. (No name of collector; ZIN) .

Notes.

The species has been previously collected only at the warmest central part of the Island (upper reaches of the Neizvestnaya River) ( Grichanov and Khruleva 2018). In the southern part of the Island (Fig. 3 ), it is found for the first time (only one specimen in a rather warm biotope at the southern slope near the Vyuchnyi brook).

Distribution.

Type locality: Russia: Magadan oblast, Aborigen peak, 100 km N Ust'-Omchug, Annachag ridge, Olen' river. Palaearctic: Russia (Chukotka mainland, Wrangel Island, Magadan, Yakutia, Yamalia). First record from the Yamalo-Nenets Autonomous Okrug, the westernmost region of distribution.

Figures

Figure 3. Vyuchnyi brook. Southern gravelly slope of a hill with a " tundra-steppe " plant community; a site where Dolichopus terminasianae and Hydrophorus alpinus were collected. Photo by O. A. Khruleva.

Figure 4. Vyuchnyi brook. Base of the hill with a willow-sedge-moss-dryad hummocky cover; the site with the largest number of Hydrophorus alpinus. Photo by O. A. Khruleva.