Metriocnemus caudigus

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Taxonavigation

Ordo: Diptera
Familia: Chironomidae
Genus: Metriocnemus

Name

Metriocnemus caudigus Sæther – Wikispecies link – Pensoft Profile

• Metriocnemus caudigus Sæther, 1995: 52; Wang (2000: 367).

Material examined

CHINA: Fujian Province, Wuyi Mountain, 27°43'46"N, 118°1'52"E, 1 male, 28.iv.1993, light trap, X. Wang.

Remarks

This species can be separated from other species of Metriocnemus by having a slender gonostylus with long, low crista dorsalis; a robust, long anal point; and an AR of 1.0–1.5. The Chinese specimen has a slightly higher 5th/3rd palp ratio (0.79–0.94) than the Norwegian specimens (0.70). Further, the Chinese specimen has 2 pseudospurs, 24–32 µm long, on tarsomere 1 and 1 pseudospur, 20–28 µm long on tarsomere 2 of mid and hind legs, while the Norwegian specimens have 1 pseudospur, 23–38 µm long, on tarsomere 1 of mid and hind legs only.

Distribution

The species was described from Norway by Sæther (1995). In China it was collected in Fujian Province in Oriental China.

Taxon Treatment

• Li, X; Wang, X; 2014: New species and records of Metriocnemus van der Wulp s. str. from China (Diptera, Chironomidae) ZooKeys, 387: 73-87. doi