Characterization of the sexual responses of male tsetse flies, Glossina morsitans morsitans, to pheromone‐baited decoy ‘females' in the field
作者:
MARTIN J. R. HALL,
期刊:
Physiological Entomology
(WILEY Available online 1988)
卷期:
Volume 13,
issue 1
页码: 49-58
ISSN:0307-6962
年代: 1988
DOI:10.1111/j.1365-3032.1988.tb00908.x
出版商: Blackwell Publishing Ltd
关键词: Tsetse fly;Glossina morsitans;sex pheromone;mating behaviour;sterilization
数据来源: WILEY
摘要:
ABSTRACT.The sexual behaviour of maleGlossina morsitans morsitansWestwood (Diptera: Glossinidae) towards decoys dosed with sex phero‐mone (15,19,23‐trimethylheptatriacontane) is described quantitatively from field observations. The flies responded with a standard behavioural pattern after landing. This involved: first, the perception of pheromone; second, orientation on the decoy and genitalia engagement; and third, a lengthy quiescence corresponding to natural copulation. The probability of a fly leaving a decoy decreased during the sequence and was least in the final ‘copulatory’ phase, when it remained constant under constant conditions. The initial, rapid rates at which flies left decoys were affected mostly by pheromone dose: the lower the dose, the higher the rate. The final, slow rate of leaving was unaffected by pheromone dose, being most affected by environmental stimuli, especially interference from other flies: at high fly densities, final rates of leaving were high. The results are discussed in the context of improving the potential for using pheromone and chemo‐sterilant‐dosed decoys for tsetse autost
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