Polypedilum (Pentapedilum) nodosum ( Johannsen, 1932 )

Yamamoto, Nao, Hirowatari, Toshiya & Yamamoto, Masaru, 2012, The subgenus Pentapedilum Kieffer (Diptera: Chironomidae) in the Yaeyama Islands, the Ryukyus, Japan, Zootaxa 3191, pp. 33-40 : 38

Polypedilum (Pentapedilum) nodosum ( Johannsen, 1932)

( Fig. 10 )

Pentapedilum nodosum Johannsen, 1932: 541 ; Sasa and Hasegawa (1983: 325); Sasa and Suzuki (2002: 75). Polypedilum (Pentapedilum) nodosum: Tokunaga (1964: 597) ; Oyewo and Saether (2008: 49).

Material examined. JAPAN: Iriomote Island, Okinawa, 26.IV.2007, 5 males, N. Yamamoto, T. Hirowatari, G. H. Huang and S. Kobayashi.

Diagnostic characters. The male imago is characterized by having a strongly haired wing membrane, a uniformly colored abdomen, no microtrichia on the base of the superior volsella and a projection of the superior volsella with a medially placed lateral seta.

Distribution. Indonesia, Sumatra, Palau, Marianas Islands, Caroline Island, Japan.

Figures

FIGURES 7 – 11. Male genitalia of Polypedilum spp. 7 – 9: P. (Pentapedilum) convexum; 10: P. (Pentapedilum) nodosum; 11: P. (Tripodura) tananence; 7, 10, 11: genitalia, dorsal view; 8: anal point, dorsal view; 9: anal point, lateral view.