Controlling Bees |
Controlling Bees
There are many species of bees, and virtually all are
beneficial through their activity as pollinators. However,
since bees are capable of stinging, they can cause a
considerable nuisance problem. Bees, as a group can be
distinguished from wasps by the covering of dense, plumose
body hairs.
GROUND-NESTING BEES: Two groups of ground-nesting bees
commonly encountered in Michigan are bumble bees and
burrower bees. Bumble bees are easily recognized by their
large, robust, hairy, black and yellow (sometimes orange)
bodies. Bumble bees live in colonies of several hundred
individuals; however, only the queens overwinter. Burrower
bees are small to medium-sized, blackish or brownish bees wi
densely pubescent heads and midsections. Each female constr
a burrow in the ground and provisions it with nectar and pol
Control of ground-nesting bees can be achieved by
treating the nests with an appropriate insecticide. For
bumble bees treat the nest entrance with carbaryl 5% (dust)
or a "wasp and hornet" aerosol; after treating,
close the nest entrance with a handful of moist soil.
WOOD-NESTING BEES; Carpenter bees and some leafcutter
bees will nest in wood or in shingle gaps. These bees can
be controlled by injecting carbaryl 5% (dust), ready to use
diazinon or pyrethroid into the nest. After thoroughly
treating, plug the nest entrance with a dowel of the
appropriate size
or wood putty.
For a complete listing of suggested control options
for all home, yard and garden insect pests see: Suggested
Insecticides for the Control of Household Insects in Michiga
Insect Pest Management Guide For The Home, Yard and Garden,
1991. This publication is available from the Cooperative
Extension Service.
Read and follow instructions on the pesticide label.
Heed all warnings. Check with your physician if you have any
concerns regarding your personal health risk.
Revised by Tom Ellis, M.S., Department of Entomology |
This information is for educational purposes only. References to
commercial products or trade names does not imply endorsement by MSU Extension
or bias against those not mentioned. This information becomes public property
upon publication and may be printed verbatim with credit to MSU Extension.
Reprinting cannot be used to endorse or advertise a commercial product or
company. This file was generated from data base 02 on 02/27/01. Data base 02 was
last revised on 12/04/98.
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