Metriocnemus (Metriocnemus) tristellus Edwards

Metriocnemus tristellus Edwards, 1929: 312

Metriocnemus gracei Edwards, 1929: 312 sensu Wang 2000: 637.

Material examined.

CHINA: Zhejiang Province, Qingyuan City, Baishanzu County, 27°43'51"N, 100°7'33"E, 2 males, 18-22.iv.1994, light trap, H. Wu.

Remarks .

The species has an AR = 1.2, very low inferior volsella, and weak anal point. Basal half of the wing membrane is bare, costa is strongly produced, and the distance C–M is rather less than M–Cu . The palp is unusually short, palpomeres 3 and 4 are less than three times as long as broad, palpomere 2 is rather longer. Wang (2000) recorded Metriocnemus gracei Edwards, 1929 from China, which should be Metriocnemus (Metriocnemus) tristellus Edwards after we re-examined the specimen.

Distribution.

The species is recorded from the Nearctic and Palaearctic regions (Ashe and O’Connor 2012).The species has been collected in Oriental China for first time.