Study

Use of natural pyrethrum to control the red swamp crayfish Procambarus clarkii in a rural district of Italy

  • Published source details Cecchinelli E, Aquiloni L, Maltagliati G, Orioli G, Tricarico E & Gherardi F (2012) Use of natural pyrethrum to control the red swamp crayfish Procambarus clarkii in a rural district of Italy. Pest Management Science, 68, 839-844

Actions

This study is summarised as evidence for the following.

Action Category

Procambarus crayfish control: Add chemicals to the water

Action Link
Control of Freshwater Invasive Species
  1. Procambarus crayfish control: Add chemicals to the water

    One replicated, controlled study in 2009 in Italy (Cecchinelli et al. 2012) found that natural pyrethrum (Pyblast) concentrations of 0.05mg/l and higher resulted in 100% mortality of red swamp crayfish Procambarus clarkii under laboratory conditions, 95% mortality when 0.05mg/l Pyblast was applied to a drainage channel, but no mortality following application of 0.05 mg/l Pyblast into active crayfish burrows. For the drainage channel study, two 50m-long upstream control transects were compared with two downstream transects treated with 0.05 mg/l Pyblast, and mortality of crayfish in each transect was monitored recorded every 24 h for 96 h.  For the burrow study, a 0.3 l solution of 0.05 mg/l Pyblast was injected up to 2 m inside active crayfish burrows after the channel had been drained. Crayfish population changes were assessed by comparing capture rates in four replicated, baited traps before and after the treatment.

     

Output references

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