@article{koch_venette_hutchison_2006,  title={Invasions by Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) in the Western Hemisphere: implications for South America},  volume={35},  ISSN={1519-566X},  url={https://doi.org/10.1590/S1519-566X2006000400001},  DOI={10.1590/S1519-566X2006000400001},  number={4},  journal={Neotropical Entomology},  publisher={Sociedade Entomológica do Brasil},  author={Koch, Robert L. and Venette, Robert C. and Hutchison, William D.},  year={2006},  month={Jul},  pages={421–434} }