Paramerina Fittkau

Niitsuma, Hiromi, Suzuki, Risa & Kato, Hideaki, 2011, Review of the Japanese species of Paramerina (Diptera: Chironomidae: Tanypodinae), with a key to the known males, Zootaxa 2821, pp. 1-18 : 2

Key to males of Japanese Paramerina Fittkau

1 Wing with pattern, brown with pale bands. Hind tibial comb poorly develope....................... P. okimaculata Sasa

- Wing without pattern, brown without any band. Hind tibial comb well developed................................... 2

2 Median scutal vittae pale; lateral vittae pale brown with anterior and posterior dark markings. P. togavicea (Sasa et Okazawa)

- Median and lateral scutal vittae entirely dark brown.......................................................... 3

3 Abdominal tergites II and V pale. Antennal ratio 0.6–1.3........................................ P. okigenga (Sasa)

- Abdominal tergites II and V dark brown at least anteriorly. Antennal ratio 1.2–1.5................... P. yunouresia (Sasa)