Are you sure they're fruit flies? I deal with a similar issue earlier this 
summer. We had tons of what I thought were fruit flies in our collections area, 
so I posted a photo of them on this listserv.  By doing that, I was informed 
that they were actually "Black Fungus Gnats," which were an indicator of excess 
moisture in our collections area! Would you be able to post a close-up picture 
of your flies?

Megan Jablonski
Collections Manager
Puget Sound Navy Museum
Naval History & Heritage Command
251 1st Street
Bremerton, WA 98337
p. (360) 627-2288
f. (360) 627-2273

www.PugetSoundNavyMuseum.org 
www.history.navy.mil/PSNM 
www.facebook.com/pugetsoundnavymuseum 

FOR OFFICIAL USE ONLY - PRIVACY SENSITIVE: ANY MISUSE OR UNAUTHORIZED 
DISCLOSURE MAY RESULT IN BOTH CIVIL AND CRIMINAL PENALTIES.




-----Original Message-----
From: pestlist-ow...@museumpests.net [mailto:pestlist-ow...@museumpests.net] On 
Behalf Of William Shepherd
Sent: Monday, August 22, 2016 11:44 AM
To: pestlist@museumpests.net
Subject: [Non-DoD Source] [pestlist] Fruit Fly Question

Hello,

 

                I have an odd question. I've been noticing the occasional fruit 
fly in my office area/washroom/work areas which are located in the basement of 
our building. I don't allow any kind of food on this level of the building, nor 
any drinks outside of water in resealable bottles and then only in designated 
areas with restrictions. Most of the time there's no one else on this level of 
the building and if there is I'd likely notice them bringing in food or other 
drinks. I haven't seen any fruit flies in the collections storage areas (woo!). 
There are exhaust vents in my work area and in the washroom. The washroom vent 
empties out into a crawl space under part of the building and I'm not sure 
where my work area vent goes but potentially the same spot. Some of the fruit 
flies have been getting stuck in the sticky trap in the washroom which is 
located by the door jam. I haven't noticed any fruit flies in other traps so 
I'm thinking they may be coming from there and potentially fr
 om the crawl space through the vent, though why t
hey'd be in there I don't know. The main level of the building does have food 
friendly areas such as offices and a food service area for events but there 
doesn't seem to be an issue up there and I don't know how they would 
continually be getting down here as there is always at least one closed door to 
get, though generally more.

                It's a scent free workplace so it's not like I'm wearing eau de 
pourriture fruits perfume down here!

 

                Any thoughts?

 

William Shepherd

Collections Officer

Swift Current Museum

44 Robert Street West

Swift Current, Saskatchewan

S9H 4M9

Phone: 306-778-4815

Fax: 306-778-4818

 

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