Onconeura Andersen et Saether

Wiedenbrug, Sofia, Mendes, Humberto F., Pepinelli, Mateus & Trivinho-Strixino, Susana, 2009, Review of the genus Onconeura Andersen et Saether (Diptera: Chironomidae), with the description of four new species from Brazil, Zootaxa 2265, pp. 1-26 : 23

Key to known females of Onconeura Andersen et Saether

1. Abdominal segments I–IV, gonocoxite and gonostylus yellowish; segments V–IX brownish; wing length 0.57 mm. ..................................................................................................................................................... O. oncovolsella sp.n.

- Coloration not as above; wing longer than 0.57 mm .................................................................................................... 2

2. Median sclerotized region of apodeme lobe pointed to median .................................................................................. 3

- Apodeme lobe with a median sclerotized point directed to posterior.......................................................................... 4

3. LR1 0.72; wing length 0.98 mm ................................................................... O. undecimata Andersen et Saether, 2005

- LR1 higher; wing length 0.68 – 0.75 mm ..................................................................................................... O. japi sp.n.

4. Labia ending in two pointed triangular projections caudally .................................... O. semifimbriata ( Saether, 1981)

- Labia caudally rounded ................................................................................................................... O. similispina sp.n.