チャバネゴキブリ 2 系統の触覚と脚に対する身づくろい行動の比較

概要

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The normal and insecticide-stimulated antennal and leg grooming activity of Blattella germanica from a laboratory, VPI, and field, RHA strain was investigated. The grooming/min by adult males following exposure to glass plates without insecticide, and with residues of 0.025 and 0.049μg cypermethrin/(cm)^2 (VPI), and 0.049 and 0.392μg cypermethrin/(cm)^2 (RHA) was recorded during 20 min exposure periods. Exposure to insecticide residue caused the antennal grooming/min of VPI strain to increase by more than 3-fold and the leg grooming/min to decrease by more than 3-fold. Exposure to insecticide residue caused the leg grooming of RHA strain to increase by more than 2-fold and the antennal grooming to increase slightly. The differences in the antennal and leg grooming activity between these two strains may be attributed to adaptions to the mass rearing conditions characteristic of laboratory colonies (VPI), and the organic and inorganic debris that may contaminate household substrates of a field strain (RHA).
1996-09-15