Cryptochironomus albofasciatus ( Staeger, 1839 )

Yan, Chuncai, Zhao, Guangjun, Liu, Ting, Guo, Qin, Hou, Ziyuan, Wang, Xinhua & Pan, Baoping, 2016, A new record and two new species of Cryptochironomus Kieffer, 1918 from China (Diptera, Chironomidae), Zootaxa 4208 (5), pp. 485-493 : 486

Cryptochironomus albofasciatus ( Staeger, 1839)

( Figs. 1 A–E)

Chironomus albofasciatus Staeger 1839: 566 .

Chironomus (Cryptochironomus) albofasciatus Staeger : Goetghebuer 1937 –1954: 38. Cryptochironomus albofasciatus (Staeger) : Reiss 1968: 195; Langton & Pinder. 2007: 166; Sasa 1990: 31; Makarchenko, et al. 2005: 408.

Specimens examined. 1♂ (BDN No. 05227), Fujian Province, Longyan City , Shanghang County, 25°04′95″N, 116°42′02″E, 3.v. 1993, Sweeping net, X. H. Wang.

Diagnostic characters. Thorax yellow-brown with white stripes; anal point parallel-sided, slender; anal tergite bands “V” shaped, not fused in the middle; superior volsella crescent-like; inferior volsella tubercle-like with two digitiform projections ( Figs. 1 B) respectively bearing one strong seta, without microtrichia.

Remarks. The Chinese specimens mainly agree with the original description by Goetghebuer (1937 –1954: 38, fig. 116) except a higher LR1 (1.53 VS. 1.25).

Distribution. China (Fujian Province), Russian Far East, Japan, Europe.

Figures

FIGURE 1. Cryptochironomus albofasciatus (Staeger, 1839), male. A—frontal tubercles; B—inferior volsella; C—wing; D—hypopygium (dorsal view); E—hypopygium (ventral view).