Comparison of Dead Bee Traps for Honey Bees

GND
141906200
Affiliation
Eurofins Agroscience Services Ecotox GmbH, Eutinger Str. 24, 75223 Niefern-Öschelbronn, Germany
Roeder, Mareike;
Affiliation
Eurofins Agroscience Services Ecotox GmbH, Eutinger Str. 24, 75223 Niefern-Öschelbronn, Germany
Hübner, Kim;
Affiliation
Eurofins Agroscience Services Ecotox GmbH, Eutinger Str. 24, 75223 Niefern-Öschelbronn, Germany
Knäbe, Silvio

Dead bee traps are a widely used tool for evaluating honey bee mortality in ecotoxicological (semi-) field studies. Many models exist, all having their specific advantages and faults, which in turn influences the acquired mortality data. We here compared two trap types for their efficiency by adding stained dead bees into four hives over several days. One trap was a flat rectangular mesh box at the floor in front of the hive (Underbasket trap); bees drop dead bodies while flying over the trap. The other was a square mesh box fixed on the hive enclosing also the hive entrance (Todd trap), and bees have to drop dead bodies in order to exit the trap. Traps were switched between bee hives once. For both trap types dead bee recovery was 60%. Bee hives as well as days varied substantially in dead bee recovery, regardless the trap type.

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