We analyzed the expression of edge following behavior in German cockroaches, Blattella germanica (L.). Structure of the environment and spatial distribution of resources modified both expression of locomotory behavior of cockroaches and its distribution between the edge and the central area of an experimental arena. When they are in a familiar environment, German cockroaches are definitely not edge followers and they exploit similarly the different parts of the accessible surface of their home range. Cockroaches placed in a new environment tended to follow edges more than undisturbed insects. This modification could be assimilated to a response to stressful conditions.
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1 December 2003
Exploitation of Home Range and Spatial Distribution of Resources in German Cockroaches (Dictyoptera: Blattellidae)
V. Durier,
C. Rivault
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Journal of Economic Entomology
Vol. 96 • No. 6
December 2003
Vol. 96 • No. 6
December 2003
Blattella germanica
edge effect
exploratory behavior