Two new species and one new record of the genus Metriocnemus van der Wulp (Diptera: Chironomidae: Orthocladiinae) from Mongolia

The genus Metriocnemus from Mongolia is reviewed. Two new species Metriocnemus ( Metriocnemus ) crinitus sp. n. and Metriocnemus ( Metriocnemus ) ramirense sp. n. and one new record Metriocnemus ( Metriocnemus ) brusti Saether, 1989 are described and illustrated based on male imagines.