At least 2 bat and 13 birds species in the United States that are federally listed as endangered under the Endangered Species Act of 1973, as amended, are pollinators. It is unknown how many of the listed insects are pollinators or how many listed plants require pollinators. See Table 1. Pollinators that are federally listed as endangered species. Poisoning of non-target insects, including bees, and other pollinators are more likely to occur when plants are in bloom.
Several precautions can minimize the impact to non-target insects and other pollinators.
The following are some suggestions that may minimize the impacts of pesticide use to non-target organisms. Leave buffer zones between areas of pesticide application and sensitive species, sensitive habitats, water, and potential nectar sources. Use the least toxic pesticide recommended for control of the target pest at the lowest effective rate. Avoid applying pesticides while crops or wildflowers adjacent to or near fields are in bloom. If pesticides must be applied while crops are in bloom, apply in late afternoon or at night when pollinators are least likely to be working the blooms.