is 399.89 KB, has a resolution of 2000x1160 pixels and was uploaded on April 25, 2019 @ 7:20 pm by user: hildtt. It is filed under the tags: mosquito control, insect growth regulator, chemistry, toxaphene, chemical substance. Click the blue button at the top to freely download: A Juvenile Mosquito Insecticide Methoprene Hormone Insect Growth Regulator png.