Paratrichocladius tridens Fu et Wang

Fu, Yue, Saether, Ole A. & Wang, Xinhua, 2012, A review of Paratrichocladius Santos Abreu from the Sino-Indian Region (Diptera: Chironomidae: Orthocladiinae), Zootaxa 3478, pp. 453-482 : 474-475

Paratrichocladius tridens Fu et Wang

( Fig. 12 A–B)

Paratrichocladius tridens Fu et Wang, 2008: 728 .

Material examined. CHINA: Tibet Autonomous Region, Chayu County, Xiachayu Town, Baantong Village (28°37’N, 97°29’E), alt. 1600m, sweeping, holotype male, 13. vi. 1988, Chengyu Deng (BDN No. 1723). Paratypes: CHINA: Tibet Autonomous Region, Rikaze County, China – Nepal Friendship Bridge (29°36’N, 91°06’E), alt. 1800m, sweeping, 2 males, 14. vi. 1988, Chengyu Deng (BDN No. 1199, 07871).

Diagnostic characters. The species can be separated from all other members of the genus by having 13 sensilla chaetica on ta1 of P3; humeral pit developed and reniform; the femur of middle and hind legs dark brown on apical 1/3, other parts yellow; setae on tergites relatively short, posterior of tergites V–VII in pale coloration; phallapodeme with two different colors, the deeper colored part like a fork with three tines; inferior volsella elongate and bilobed, with rounded apex, and superior volsella rounded and well developed; gonostylus slender, without distinct crista dorsalis.

Correction to description (n = 3). “Gonostylus 225–285, 260 µm long” should be corrected to “Gonostylus 128–136, 132 µm long”.

Distribution. The species was collected in subtropical area in Tibet Autonomous Region (Oriental China).

Figures

FIGURE 12. Paratrichocladius tridens Fu et Wang A— Notum. B— Tergites I – VI.