Insects

Publication date: April 1, 2023

This Restricted-Use Pesticide Record-Keeping Form is for use with MP692, USDA Pesticide Record-Keeping Requirements for Certified Private Applicators of Federally Restricted-Use Pesticides. The revised form includes places to note information ...

Publication date: Jan. 9, 2023

Adult Asian chestnut gall wasp.Photo: Gyorgy Csoka, Hungary Forest Research Institute, Bugwood.org Distribution and hostsThe gall wasp, Dryocosumus kuriphilus Yasumatsu, was introduced into North America in 1974 on imported chestnut cuttings. A ...

Publication date: April 5, 2022

Bruce A. BarrettDepartment of EntomologyMary KroeningDepartment of HorticultureSome of the most easily observed insects in our backyards and gardens are caterpillars. Because they cannot fly or run away, we can approach and observe closely the ...

Publication date: April 5, 2022

Richard HousemanState entomology extension specialistBruce BarrettState entomology extension specialistThe boxelder bug, Boisea trivittata, lives outside but may invade homes as temperatures cool in the fall each year. This bug is distinctive in its ...

Publication date: April 5, 2022

Bruce A. BarrettDepartment of EntomologySmall branches accumulating on the ground and the presence of clean-cut twigs, and in some cases dangling (flagged) branch tips within a tree, indicate the presence of beetle pests referred to as twig girdlers ...

Publication date: April 5, 2022

Bruce A. BarrettDepartment of EntomologyThis publication discusses some of the least-toxic control options you can use for pests of houseplants, home greenhouses and interior plantscapes. Many of these tactics are recommended for homeowners who want ...