O. oncovolsella Wiedenbrug, Mendes, Pepinelli & Trivinho-Strixino, 2009

Shimabukuro, Erika Mayumi & Trivinho-Strixino, Susana, 2018, Madicolous Chironomidae from the Brazilian Atlantic Forest: a checklist with notes on altitudinal distributions (Diptera, Insecta), ZooKeys 751, pp. 41-73 : 52-53

O. oncovolsella Wiedenbrug, Mendes, Pepinelli & Trivinho-Strixino, 2009

Distribution.

BRAZIL - PESM, Ubatuba, São Paulo State (23°31.068'S, 45°14.845'W; 23°31.087'S, 45°14.621'W; 23°30.789'S, 45°14.442'W); São Francisco de Paula, Rio Grande do Sul State.

Elevation.

23-61 m a.s.l.

Habitats.

Surface of stones in fast flowing waters.

Known stages.

L, P, F, M.

References.

Wiedenbrug et al. (2009).

Remarks.

O. oncovolsella was found on marginal rocks of small streams, at 1445 m a.s.l., extending the altitudinal record of the species. Environmental characterization: Water temperature 10 °C; dissolved oxygen 9 mg.l-1; pH 5; fast flowing; partial vegetal canopy (50% covered). The species was found in PARNASO (Rio de Janeiro State). Low altitudinal specificity (IndVal: 0.25; p = 0.31).

Unknown species. Onconeura sp. 1. Locality: PARNASO. Altitudinal record: 1445 m a.s.l. Low altitudinal specificity (IndVal: 0.25; p = 0.30); Onconeura sp. 2 Locality: PARNASO. Altitudinal record: 1445 m a.s.l. Low altitudinal specificity (IndVal: 0.25; p = 0.32); Onconeura sp. 3 Locality: PESM. Altitudinal record: 1085 m a.s.l. Low altitudinal specificity (IndVal: 0.17; p = 0.83).