This is a message from the Museumpests List. To post to this list send it as an email to [email protected] To unsubscribe please look at the footer of this email. ----------------------------------------------------------- The specimen is a yellow jacket....not sure what species.
Best advice? Call an exterminator for the one in the wall void of the house -
the headaches involved are numerous and worth the expense of professional
consultation/treatment.
Yellow Jackets are extremely aggressive, so the one you mentioned at the base
of the pillar on the historic garage should be treated immediately if guests
(especially children) will be nearby. This can probably be done in-house.
Advice on treatment:
1. Quarantine the area off with whatever materials you have handy.
2. Do not treat the nest during the day using over-the-counter wasp sprays.
Daytime treatments will kill the larvae, queen, and workers that are inside the
nest, but will not destroy foragers that were out looking for food at the time
of treatment. The returning yellow jackets will congregate at the access hole
and go into an aggressive defense/stinging mode. They will sometimes linger
like this for days.
A better treatment time is between sunset and 4:00AM.
3. Wear thick leather gloves when treating the nest. Workers often guard the
entrance (even at nighttime). They are very quick and will sting repeatedly if
they can figure out where you are.
4. Have someone hold a flashlight for you some distance away from the nest
during treatment. Emerging yellow jackets will attack the light, putting you in
a dangerous situation if you are holding the light yourself.
Good luck!
From: [email protected] [mailto:[email protected]] On Behalf Of Joni
Joseph
Sent: Friday, July 13, 2012 2:10 PM
To: [email protected]
Subject: [pestlist] Identification
This is a message from the Museumpests List.
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Dear Experts,
We have a problem with wasps nesting in the exterior historic house façade.
They seem to be entering in cracks between the plaster and woodwork. We have
found dead carcasses inside the house; on the first floor and basement levels,
which are not very close to the point where they are entering the structure
outside. Can anyone identify this species and how we can best treat the
problem? They also made a nest in the pillar base of the historic garage where
we have children coming for summer camp. We certainly do not want any of them
to be stung.
Thank you in advance for your help.
My best,
Joni Joseph
Collections Assistant
Tudor Place Historic House and Garden
1644 31st Street, NW
Washington, DC 20007
202.965.0400 ext. 119
Fax: 202.965.0164
www.tudorplace.org<http://www.tudorplace.org>
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