Stratiodrilus circensis Steiner & Amaral, 1999

Type-locality: Piraquara River, Municipality of Piraquara, State of Paraná, Brazil.

Host and locality records: Aegla abtao Schmitt—Toltén River (CHI) (Steiner & Amaral 1999). Aegla bahamondei Jara—Toltén River (CHI) (Steiner & Amaral 1999). Aegla castro Schmitt—Couro stream, Tibagi River Basin (PR) (Present study). Aegla laevis (Latreille) —Riñihue Lake (CHI) (Steiner & Amaral 1999); Negro River and lakes in Parque Nacional Nahuel Huapí (ARG) (Steiner & Amaral 1999). Aegla lata Bond-Buckup & Buckup—Bule stream, a tributary of the Apertados River, Tibagi River Basin (PR) (Present study). Aegla leptodactyla Buckup & Rossi—Divisa River, a tributary of the Pelotas River, municipality of São José dos Ausentes (RS) (Daudt & Amato 2007). Aegla neuquensis neuquensis (Schmitt) — Chico River (TUC) (Steiner & Amaral 1999). Aegla parana Schmitt—Pinhão River, Iguaçu River Basin (PR) (Present study). Aegla schmitti Hobbs III—Carvalho River, a tributary of Piraquara River, Parque Nacional Guaricana (PR) (Daudt & Amato 2007). Aegla sp.—Riñihue Lake (CHI) (Steiner & Amaral 1999). Aegla sp.— Piraquara River (PR) (Steiner & Amaral 1999). Aegla sp.—Lageadão river, Ivaí river Basin (PR) (Present study). Unspecified species of Aeglidae and Parastacidae—from Petorca to Chiloé (CHI) (Steiner & Amaral 1999).

Distribution: Argentina, Brazil, and Chile.