Honey bees taking over hummingbird feeders
I have Russian sage, butterfly bush, annual and perennial salvia among other flowering plants. The yellow jackets and wasps are raiding the feeders but are not as aggressive as the honey bees. I question if they are honey bees because they are larger and aggressive towards us.
I'm sharing a helpful response about yellow jackets from another expert:
"Yellow jackets nest in the ground, usually in old animal burrows but any underground void can be used. Yellow jacket colonies are annual and will be dying out shortly if not already. Here is a fact sheet on these insects.: http://bspm.agsci.colostate.edu/files/2013/03/Yellowjackets.pdf
This is good information that includes eradication methods, the yellow plastic baited trap is one that I personally have found useful. There are methods for inground eradication that include the use of various toxic spray applications with clear instructions on the container that is best applied after dark when they have returned to the nest."
Jack Master Gardener Diagnostician Master watershed Steward (Washington, Multnomah, and Clackamas Counties) Oregon State Extension Service Volunteer vegetable gardening, soil preparation, invasive plants, native plants Metro Master Gardener (http://metromastergardeners.org/)
If you have an obvious nest of wasps on your land, Dan Scollard based in Benton County vacuums up wasps and yellow jackets for medical use in allergy shots.
His service is free and doesn't affect any insects other than the target species.
You can learn about Dan's work and get in touch with him here: