An acute intoxication occurred for sublethal
(LC50) and lethal (LC90) concentrations obtained
by Probit analysis (significance of 0.05),
calculated with the BioStat 2008 software,
version 2.5 the same test was applied to built the
curves of concentration-response (Finney 1971).
The Kruskal-Wallis and the Student-Newman-
Keuls (p