News
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Do not spray pollinator-attractive plants with insecticides when open flowers are present
Published on May 1, 2019
It is clear to most people that insecticides sprayed onto open flowers can be highly toxic to bees, even if they are sprayed early in the morning or at night when bees are not present. -
Landscape plants and wildflowers attractive to butterflies for nectar feeding
Published on May 1, 2019
Many of the flowering plants attractive to bees will also be visited by butterflies. However, butterflies are attracted to flowers almost entirely for feeding on nectar. -
Protecting pollinators during home lawn grub control
Published on May 1, 2019
The most widely used insecticides for grub infestations of lawns are neonicotinoid insecticides, which are toxic to pollinators if they are sprayed over flowers. -
How to control invasive pests while protecting pollinators and other beneficial insects
Published on May 1, 2019
Pesticides should never be applied unless they are necessary to maintain plant health. -
Biological control and Integrated Pest Management (IPM) for protecting pollinators
Published on May 1, 2019
For the past 30 years or more, most tree care professionals and many informed property owners have been managing destructive insects by minimizing pesticide use and encouraging predators and parasitoids that naturally keep pests under control. -
Flowers throughout the year
Published on May 1, 2019
The best habitats for bees have flowering plants rich in nectar and pollen throughout the growing season. Survey your yard and garden to see when flowers are abundant and when they are scarce. -
Bumble bees in greenhouse vegetable production
Published on April 12, 2019
Commercial bumble bees have a life style and foraging behavior that is fitting for greenhouse operations. -
Current honey bee and bumble bee stocking information
Published on April 12, 2019
Honey bees and bumble bees can be rented or purchased for crop pollination at appropriate stocking densities. -
Are bumble bees causing my tomato flowers to fall off?
Published on April 12, 2019
Early market hoop house tomato growers are reporting blossom drop soon after bumble bee delivery, but the flower abortions are probably not caused by bees. -
Entomology student camps out to crack mystery of who preys on monarch eggs
Published on March 13, 2019
Only about 5 percent of monarch eggs survive to become butterflies. Doctoral student Andrew Myers set up 24/7 surveillance to determine who is preying on the eggs.