Some wasp nests are in positions that are easy to deal with on a DIY basis, but, be warned, take great care and do not tackle wasp nests from upon ladders. Wasps, although annoying, should be thought of as beneficial insects. They prey mainly on other insects, many of which are pests. In general, they avoid human activity and should only be considered a nuisance when nesting near homes or high traffic areas. |
Solitary wasps in the home can be a nuisance; daily sightings of wasps in the home may indicate inside nest building, and more attention to the problem is required. Searching for and sealing off their point of entry is the best line of defense. Check your house for unsealed vents, torn screens, cracks around windows and door frames and open dampers. Observe the flight path of a wasp, especially in the morning, which may reveal the entry/exit point.
Using pesticides for wasp pest control (yellowjackets) can be effective, but these chemicals are harmful to the environment. Careless use of pesticides can also pose risks to the person applying the chemicals.
There are varying opinions on the effectiveness of using traps to reduce the wasp population in specific areas. This is partly due to the distance wasps will travel when foraging.Traps are more likely to be useful in small areas.
Setting out traps in the early spring, when only a few wasps may be evident, can be most effective. This is because these early season wasps are usually queens, and it's estimated that each trapped queen represents several thousand worker wasps in the late summer. You can buy wasp traps or make your own.
Make a simple Water Trap
Use a razor knife to cut the top from a 2-liter plastic pop bottle. Cut just above the shoulder of the bottle. Discard the screw top. Fill with water about halfway. Coat the neck with jam, invert it and set back on the bottle. Use two small pieces of tape to hold it in place.
Wasps will go down the funnel to get the jam, but will find it difficult to get out. Most will drop into the water and drown. A few drops of dish soap in the water will make it hard for the wasps to tread water, and will hasten their demise. (You can also add a 1/4 cup of vinegar to the water to discourage honeybees from entering the trap in search of water.) Note: In the spring and early summer, wasps are attracted to protein-based baits; use jam or other sweet baits in later summer and into fall.
Empty the trap daily! As more wasps are caught, they create a raft on which other wasps can survive for a considerable time. Some of these wasps then find purchase on the plastic of the bottle and eventually crawl out. The longer the trap is untended, the more wasps will manage to escape, which may result in swarming. The trap will be most effective if set about 4' above ground.
If you do have to destroy a nest:
ensure that you have adequate protective clothing, including a beekeepers veil to prevent wasps attacking your face think long and hard before tackling a wasp nest above 2m off the ground - for safety issues
Go to main page Pest Control Auckland for more ideas and assistance on the job
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