Paratrichocladius rufiventris (Meigen)

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 : 467-468

Paratrichocladius rufiventris (Meigen)

( Fig. 7 A–M).

Chironomus rufiventris Meigen, 1830: 249 .

Chironomus opplens Walker, 1830: 187 .

Orthocladius tenuipes Becker, 1908: 75 .

Trichocladius proximus Kieffer, 1911: 186 .

Trichocladius nudipes Goetghebuer, 1921: 99 .

Trichocladius dentifer Goetghebuer, 1935: 7 .

Trichocladius nadigi Goetghebuer, 1938: 62 .

Trichocladius rufipes Goetghebuer, 1944: 39 .

Trichocladius arduus Goetghebuer in Humphries, 1951: 209.

Paratrichocladius luteoligaster Santos-Abreu, 1918: 205 .

Phaenocladius bavaricus Kieffer, 1924: 82 .

Trichocladius hyemalis Goetghebuer, 1950: 9 .

Paratrichocladius rufiventris Hirvenoja 1973: 88 . Cranston & Oliver, 1988: 444; Rossaro 1990: 58; Wang & Zheng 1990: 245; Wang 2000: 638; Yamamoto 2004: 73.

Material examined. CHINA: Jilin Province: Jilin City, Changbaishan Mountain (43°55’ N, 126°26’ E), alt. 1700 m, 6 males, 22. vi. 1986, 23. vi. 1986, 25. vi. 1986, 7. vii. 1986, 30. iv. 1994, Xinhua Wang (BDN No. 0 5380, 0 5382, 0 5383, 0 5381, 0 5378, 01868,); Antu County, Erdaohe Town (42°47’ N, 128°31’ E), alt. 760 m, 2 males, 29. iv. 1994, Xinhua Wang (BDN No. 0 1870, 01869); Liaoning Province, Dandong City, Fengcheng County (40°34’ N, 124°02’ E), alt. 109 m, 1 male, 8. iv. 1993, light trap, Xinhua Wang (BDN No. 12543); Dandong City, Kuandian County (40°40’ N, 125°01’ E), alt. 226 m, 2 males, 12 iv. 1992, 22. iv. 1992, light trap, Xinhua Wang (BDN No. 0 3380, 07641); Nei Monggol Autonomous Region, Alashan Alliance, Bayanhaote City (28°49’ N, 105°41’ E), alt. 1000 m, 5 males, 31. vii. 1987, Xinhua Wang (BDN No. 1183, 0 5402, 0 5389, 0 5390, 05391); Ningxia Autonomous Region, Guyuan City, Liupanshan Mountain (36°58’ N, 106°12’ E), alt. 1717 m, 2 males, 8. viii. 1988, light trap, Xinhua Wang (BDN No. 0 5396, 05910; Xinjiang Autonomous Region, Altay Prefecture, Habahe County (48°26’ N, 86°25’ E), alt. 1479 m, 23 males, 15. vii. 2002, 25. vii. 2002, sweeping, Hongqu Tang (BDN No. 21823, 23910, 23872, 21742, 21796, 21831, 21833, 23909, 23911, 25258, 21819, 21733, 21734, 21732, 21735, 21729, 21731, 21737, 21738, 21794, 21741, 23906, 23830); Tacheng City, Yemenle Town (46°44’ N, 82°58’ E), alt. 1550 m, 1 male, 25. vii. 2002, light trap, Hongqu Tang (BDN No. 26257); Hebei Province: Zhangjiakou City, Chicheng County (40°57’ N, 115°56’ E), alt. 1047 m, 2 males, 21. vii. 2001, Sweeping, Yuhong Guo (BDN No. 23521, 23522); Weichang County, Qipan Town (42°10’ N, 117°57’ E), alt. 1800 m, 1 male, 18. vii. 2001, light trap, Yuhong Guo (BDN No. 23476); Qinhuangdao City (39°57’ N, 119°38’ E), alt. 4 m, 2 males, 4. vi. 1985, sweeping, Xinhua Wang (BDN No. 23476, 7192); Yunnan Province: Lijiang Naxizu Autonomous County, Shigu Town (26°52’ N, 99°57’ E), alt. 1850 m, 2 males, 25. v. 1996, light trap, Xinhua Wang (BDN No. 10672, 10806); Lijiang Naxizu Autonomous County, Shizishan Mountain (26°51’ N, 100°15’ E), alt. 2400 m, 1 male, 15. vii. 2001, Xinhua Wang (BDN No. 03278); Kunming City, Pan long District, Songhuaba Reservoir (25°09’ N, 102°47’ E), alt. 1977 m, 2 males, 1. vi. 1996, light trap, Xinhua Wang (BDN No. 0 9679, 09378); Eryuan County, Niujie Town, Meici River (26°6' N, 99°56' E), alt. 2332 m, 2 males, 2. vi. 1996, light trap, Changfa Zhou (BDN No. 10024, 10048); Shandong Province: Yantai City, Kunyu Mountain, Dianhou Village (37°14’ N, 121°46’ E), alt. 658 m, 1 male, 25. viii. 1987, Xinhua Wang (BDN No. 12650); Taishan Mountain (36°15’ N, 117°02’ E), alt. 1500 m, 2 males, 25. v 1994, Xinhua Wang (BDN No. 0 3250, 03254); Gansu Province: Dingxi City, Min County (34°26’ N, 104°02’ E), alt. 2350 m, 1 male, 27. vii. 1986, Xinhua Wang (BDN No. 37861); Tianshui City, Maijishan Mountain (34°21’ N, 106°00’ E), alt. 1600 m, 1 male, 7. viii. 1986, Xinhua Wang (BDN No. 16182); Fujian Province: Quanzhou City, Dehua County, Deiyunshan Mountain (25°41’ N, 118°11’ E), alt. 1635 m,); 3 males, 12. ix. 2002, Zheng Liu (BDN No. 20132, 20135, 20133); Longyan City, Shanghang County, Gutian Town (25°03’ N, 116°25’ E), alt. 183 m, 2 males, 3. v. 1993, 10. v. 1993, Wenjun Bu (BDN No. 0 8152, 08130); Sichuan Province: Ganzi Autonomous State, Yajiang County (30°02’ N, 101°01’ E), alt. 2830 m, 2 males, 9. vi. 1996, 14. vi. 1996, light trap, Xinhua Wang (BDN No. 12203, 11607); Aba Autonomous State, Wolong Nature Reserve (31°13’ N, 103°19’ E), alt. 2000 m, 1 male, 27. vii. 1987, light trap, Xinhua Wang (BDN No. 1184); Wenchuan County, Yingxiu Town (31°03’ N, 103°29’ E), alt. 994 m, 1 male, 14. vii. 1987, light trap, Xinhua Wang(BDN No. 07191); Ganzi Autonomous State, Litang County (29°59’ N, 100°11’ E), alt. 3750 m, 1 male, 11. vi. 1996, Xinhua Wang (BDN No. 12124); Ganzi Autonomous State, Luding County, Wucigou (29°55’ N, 102°14’ E), alt. 2750 m, 8 males, 15. vi. 1996, light trap, Xinhua Wang (BDN No. 11747, 11742, 13391, 13392, 11748, 11746, 11750, 11752); Kangding County, Wasigou (30°03’ N, 101°57’ E), alt. 3700 m, 33 males, 15. vi. 1996, light trap, Xinhua Wang (BDN No. 13629, 13655, 13656, 13659, 13660, 13662, 13677, 13094, 13130, 13147, 13098, 13095, 13128, 13166, 13162, 13168, 13160, 13161, 13167, 13176, 13104, 13085, 13097, 13088, 13129, 13096, 13109, 13127, 13092, 13093, 13087, 13148, 13163); Guizhou Province: Zunyi City: Daozhen County, Dashahe River (28°53’ N, 107°44’ E), alt. 720 m, 1 male, 25. v. 2004, Sweeping, Hongqu Tang (BDN No. 22144).

Diagnostic characters. The adult male can be separated from other members of the genus by having an AR 1.5–2.1, 1.7; a strongly developed humeral pit, inferior volsella triangular apically and distinctly extended medially.

Additions to description. Measurements of the Chinese specimens: Total length 2.4–4.0, 2.9 mm. Wing length 1.4–2.1, 1.7 mm. Total length/ wing length 1.5–2.1, 1.7. Wing length/ length of profemur 2.5–3.5, 2.7. AR 0.92–1.6, 1.3. Temporal setae 5–6. Clypeus with 9–15, 12 setae. Tentorium 115–160, 140 µm long; 33–45, 39 µm wide. Stipes 125–165, 148 µm long; 8–10, 9 µm wide. Palpomere 5/ 3 1.5–1.9, 1.7. Dorsocentrals 10–16, 13; prealars 3. Scutellum with 6–8, 7 setae. Squama with 8–14, 11 setae. Sensilla chaetica 8–12, 10 on ta1 of P3. Laterosternite IX with 4–6, 5 long setae. Phallapodeme 58–70, 68 µm long; transverse sternapodeme 90–125, 115 µm long, with oral projections. Gonocoxite 175–240, 205 µm long. Gonostylus 73–93, 85 µm long, with crista dorsalis. Megaseta 10–15, 13 µm long. HR 2.2–2.8, 2.5, HV 2.9–4.3, 3.8.

Distribution. The species is widely distributed in the Holarctic region. The Chinese specimens were collected in Ningxia, Nei Monggol and Xinjiang Autonomous Regions; Jilin, Liaoning, Hebei, Shandong and Gansu Provinces (Palaearctic China); Yunnan, Fujian, Sichuan and Guizhou Provinces (Oriental China). This is the first record from Oriental China.

Remarks. The inferior volsella show variations between the different localities ( Fig. 7 A–M).

Figures

FIGURE 7. Paratrichocladius rufiventris (Meigen), male. A – M— Inferior volsella.