Taxon classification Animalia Prostigmata Microdispidae

Unguidispus lasii Kurosa, 1979

Unguidispus lasii Kurosa, 1979, p. 66, figs 5-6.

Material examined.

Six females, Russia: Tyumen Province, vicinity of Tyumen, 57°04'03"N, 65°04'12"E, on ants Lasius niger L., 17 August 2014, coll. V.M. Salavatulin; 5 females, Russia: Tyumen Province, vicinity of Tyumen, 57°09'55"N, 65°27'32"E, on ants Lasius niger, 31 August 2014, coll. A.A. Khaustov.

This species was described from Japan where it was found in the nests of ants Lasius niger and Lasius hayashi Yamauchi and Hayashida (Kurosa 1979). I recorded phoresy of this species on Lasius niger in Western Siberia. This is a new record for the fauna of Russia.