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House and Garden Series
F@stSheet
Ent-1003
Honey bees are
fascinating social insects with a complex set of behaviors.
One of the most interesting honey bee colony behaviors is
known as "swarming." Swarming is the method used by honey bees
to start a new
colony. A swarm
is merely a honey bee colony in search of a nesting site. A
swarm generally consists of a mated queen bee along with
hundreds or thousands of accompanying worker bees. Swarming
bees are not normally aggressive and can, in most cases, be
approached safely. Unless you are an experienced beekeeper,
however, it is best to avoid getting too close to swarming
bees. Bees in swarms may, on occasion, sting intruders who
venture too
close. Although
bee swarms generally pose little threat to people, and provide
a unique chance to observe honey bee behavior, they can cause
problems. When swarms come too close to areas of human
activity, or frighten people with a fear of bees, they may
need to be controlled. Also, in areas where Africanized honey
bees are established, it may become necessary to control wild
bee swarms.
USING SOAPY
WATER TO CONTROL
BEES
Soapy water is a safe and effective way to control undesired
honey bee swarms. Soapy water applied in this manner is an
effective tactic in "drowning' honey bees only if they are
clustered in an exposed swarm. It is less effective and is not
recommended for controlling undesired, established colonies in
areas like hollow trees, wall voids, or underground nests.
Neither would it be recommended for killing managed colonies
where bees are "on the
comb". Mix 3/4-1
cup of ordinary liquid dishwashing detergents in 1 gallon of
water. Add the mixture to a regular hand-held, pump-up type
garden sprayer. Wet the surface of the swarm with the soapy
water and continue wetting as the outer layer of soaked bees
fall from the swarm. Continue wetting the newly, exposed, dry
bees until all have been thoroughly covered and drowned. You
may want to place a garbage can or similar receptacle beneath
the swarm to catch the soaked bees as they fall from the swarm
(enhances "drowning" and simplifies removal). You may need to
use the sprayer wand to hasten the "release" of "wetted" bees
from the swarm surface and the exposure of the remaining, dry
bees in the center of the
swarm. Dawnäliquid dishwashing detergent has
been most extensively evaluated; however, other dishwashing
detergents should be just as effective. Commercial
insecticidal soaps do not seem to work as effectively as
ordinary dishwashing detergents. Powdered (dry) dishwashing
and laundry detergents have been used by APHIS/USDA in Mexico
and South Texas with equally satisfactory results, however
they have not been tested as thoroughly as the liquid
detergents. Dry formulations are mixed at 3/4-1 cup per gallon
of water, also. Warm water, though not necessary, helps the
soap disperse
quicker. Soapy
water has been approved for use to control Africanized honey
bees (AHB) by the Environmental Protection agency provided
that: 1) the detergent used for AHB cannot be sold as a
pesticide; and 2) the treatment mixture of detergent and water
cannot be used on edible food and feed
commodities. Bee
swarms should not be killed indiscriminately. Bees are
beneficial insects, helping pollinate flowers and vegetables.
Unless a swarm is causing a distinct problem and cannot be
tolerated, it should be left alone. Most honey bee swarms will
leave a resting site within a few hours. Eliminating possible
points of entry by bees into buildings and removing other
potential nest sites is the best way to prevent serious
problems with bees around structures.
FOR MORE
INFORMATION More information about
bees and beekeeping is available through the Internet or from
your county Extension agent. For further information about
honey bees, see publication L-1791,
Honey Bees in and Around Homes. Information is also available
on Africanized Honey Bees and their current range in
Texas.
Authors: Michael Merchant, Ph.D.,
Urban Entomologist, Texas Agricultural Extension
Service
Publication
information:
This publication is part of the House & Landscape Pest
Series produced by the Department of Entomology, Texas A&M
University, College Station, TX 77843-2475. The most recent
update can be found at: http://dallas.tamu.edu/insects/FastSheets/Ent-1003.html
. Series Editor: M. Merchant. For more information
about arthropods, check out the Texas A&M Entomology
Website at http://insects.tamu.edu/
The information given herein is for educational
purposes only. Reference to commercial products or trade names
is made with the understanding that no discrimination is
intended and no endorsement by the Cooperative Extension
Service is implied. Additional, or updated copies of this fact
sheet may be obtained by contacting the author(s) at the Texas
Agricultural Extension Svc., 17360 Coit Road, Dallas, Texas
75252-6599. Extension programs serve people of all ages
regardless of socioeconomic level, race, color, sex, religion,
disability or national origin. The Texas A&M University
System, U.S. Department of Agriculture, and the County
Commissioners Courts of Texas Cooperating.
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