@article{saito_1990, 
  title={Insecticide resistance of the cotton aphid, Aphis gossypii Glover (Homoptera: Aphididae). II. Variation of esterase activity by host plants.}, 
  volume={34}, 
  DOI={10.1303/jjaez.34.37}, 
  publisher={Japanese Society of Applied Entomology & Zoology}, 
  author={SAITO}, 
  year={1990}
  }