Insect pests such as gypsy moths and Japanese beetles can be effectively controlled by setting out traps baited with synthetic sex pheromones of the species in question. This type of control is considered better than using chemical pesticides because __________.

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    the pheromones are very species-specific, so no useful insects are affected
    the pheromones are cheaper than chemical pesticides
    the pheromone traps will kill a broad range of pest species
    the pheromone traps will kill both males and females, while chemical pesticides kill only females
    all of the above

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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the pheromones are very species-specific, so no useful insects are affected
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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