"Toxic insecticides" refers to chemicals or substances that are used to kill insects but can also be harmful or poisonous to humans, animals, or the environment. Full definition
Protect bees and other pollinators by choosing organic food, grown without toxic insecticides, and by planting bee - friendly gardens. (organicconsumers.org)
They have also largely replaced these two more toxic insecticides in flea control products. (myhealthycat.com)
My hypothesis is that pollinators» immune systems are slowly compromised by toxic insecticides and herbicides leading them to fall prey to common illnesses. (myrmecos.net)