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Neotropical Entomology, 2017 Perreyia flavipes Konow, 1899 (Pergidae: Perreyinae) is a sawfly species with gregarious larvae commonly found in open areas in southern Brazil through Uruguay and northern Argentina. The combination of highly gregarious larvae with the production of a variety of toxins in P.
F M Neves, M R Pie
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Toxicon, 2001 Two pigs were dosed with 5 and 10g/kg bw of fresh Perreyia flavipes larvae collected at the municipality of Pelotas. Two other pigs were dosed with 0.87 and 1.7g/kg of dry P. flavipes (equivalent to 5 and 10g/kg bw of fresh larvae). Another pig was dosed with 0.17g/kg of dry larvae, daily, during 20d.
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Poisoning of cattle and sheep in Uruguay by sawfly (Perreyia flavipes) larvae.
Veterinary and human toxicology, 1997From June to early October of 1993, 1994 and 1995 at least 40 outbreaks of a highly lethal disease occurred in cattle and sheep in the central region of Uruguay. During 1995 total cattle losses probably exceeded 1000 head. Mortalities were 1.6%, 7.0% and 1.3% for calves, yearlings and adults, respectively, but mortalities up to 28% occurred on some ...
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