Anjos, A.F. dos and Takeda, A.M. 2009. <b>Diet analysis of <em>Cricotopus</em> sp. larvae (Diptera: Chironomidae), fourth stage, in different artificial substrates and hydrological phases, in the upper Paraná river</b&gt; - DOI: 10.4025/actascibiolsci.v31i4.3522. Acta Scientiarum. Biological Sciences. 31, 4 (Aug. 2009), 371-377. DOI:https://doi.org/10.4025/actascibiolsci.v31i4.3522.