[Nhcoll-l] beetle colony invader

Tue Oct 31 13:15:50 EDT 2017

Hi,  I agree with the previous comments.  It is best to start a new colony, especially if the infestation is a bad one.  The colony that I dealt with that had this problem, was originally contaminated by skeletal collections that had been stored somewhere that was infested with red-legs, and were carried into the colony along with the bones and what ever other material was transferred.

Work at keeping your colony clean and healthy, it will be less likely to succumb to an infestation.

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From: nhcoll-l-bounces at mailman.yale.edu [mailto:nhcoll-l-bounces at mailman.yale.edu] On Behalf Of Dahlberg, Elisa
Sent: Tuesday, October 31, 2017 11:45 AM
To: Aren Gunderson <amgunderson at alaska.edu>
Cc: nhcoll-l at mailman.yale.edu
Subject: Re: [Nhcoll-l] beetle colony invader

Hi!

I have been dealing with this exact problem in our colony. I have been sorting and creating a new dermestid colony. One thing I will strongly suggest is to do a secondary sort before placing the dermestids into a new tank. You will almost be guaranteed to pick up some ham beetles along with the dermestids during the initial sort. So I have been placing beetles taken from the original colony in a cup and then sorting them out again in a separate container before placing the dermestids in a new tank for the time being.

Hope this helps!

Elisa

On Mon, Oct 30, 2017 at 10:55 AM, Aren Gunderson <amgunderson at alaska.edu<mailto:amgunderson at alaska.edu>> wrote:
Thanks for the help All! Looks I will have to rescue some dermestids and restart the colony....
Aren

On Mon, Oct 30, 2017 at 7:02 AM, Barry OConnor <bmoc at umich.edu<mailto:bmoc at umich.edu>> wrote:
Dear colleagues - I'd be interested in communicating with anyone who has mite problems in their dermestid colonies. I've worked with these mites in the past and would be interested in seeing any specimens from outside eastern North America.
All the best! - Barry

On Mon, Oct 30, 2017 at 9:44 AM, Revelez, Marcia (CDC/OPHSS/CSELS/DLS) <mte8 at cdc.gov<mailto:mte8 at cdc.gov>> wrote:
HI Aren,
I have had this experience personally.  Red-leggeds do kill/outcompete regular hide beetles.  If the invasion is early and if possible – monitor the colony closely and hand pick all individuals out – shouldn’t take long.  The worst thing is these guys getting into your collection area.  I am not sure how you treat your skeletons once coming out of the bugs – but if you do a classic water soak – these little guys seem to survive and hide well in any possible air pocket.  They love greasy specimens and can really be quite destructive to your specimens.

Do you know how they red-leggeds got into your colony?  Mine got in because someone brought in a specimen straight from the field – from that point I required carcasses to be frozen prior to entry.  If you aren’t familiar – you should explore https://urldefense.proofpoint.com/v2/url?u=http-3A__museumpests.net_&d=DwIGaQ&c=cjytLXgP8ixuoHflwc-poQ&r=LpYc_Z_iN1KRw0hheb3x6-8MJUMu482qfHowpGYJqwc&m=v6SkxirFPHrmXIUhf5C8HGm4eJKKZwjYC69ijBhCaOM&s=s-yC-QNnol5zU5Giae8n3fZNYH93tCAP_PIF0dVsvhw&e=<https://urldefense.proofpoint.com/v2/url?u=http-3A__museumpests.net_&d=DwMGaQ&c=cjytLXgP8ixuoHflwc-poQ&r=LpYc_Z_iN1KRw0hheb3x6-8MJUMu482qfHowpGYJqwc&m=h7G7LzzFljP5scgksg72h074lIN19n-J044tGoaGNd8&s=wkK6Md8H0yLvbol5qFc-9nLH0BV3ooTP-Fv9_6O4JVg&e=>.  It is a great resource and you can even join their listserv too (pestlist).  There is a fact sheet for many museum pests, including red-leggeds: https://urldefense.proofpoint.com/v2/url?u=http-3A__museumpests.net_wp-2Dcontent_uploads_2015_05_Fact-2DSheet-2DRedlegged-2DHam-2DBeetle.pdf&d=DwIGaQ&c=cjytLXgP8ixuoHflwc-poQ&r=LpYc_Z_iN1KRw0hheb3x6-8MJUMu482qfHowpGYJqwc&m=v6SkxirFPHrmXIUhf5C8HGm4eJKKZwjYC69ijBhCaOM&s=9K21P-UiE-n1eJJAQjWKkPE0CwPZkJkf9HM8YBGjskk&e=<https://urldefense.proofpoint.com/v2/url?u=http-3A__museumpests.net_wp-2Dcontent_uploads_2015_05_Fact-2DSheet-2DRedlegged-2DHam-2DBeetle.pdf&d=DwMGaQ&c=cjytLXgP8ixuoHflwc-poQ&r=LpYc_Z_iN1KRw0hheb3x6-8MJUMu482qfHowpGYJqwc&m=h7G7LzzFljP5scgksg72h074lIN19n-J044tGoaGNd8&s=qpJUhByQQ7_PZA9F-2VlCjOTxF1DoZjXi4slcP-W-wk&e=>.

If it’s too late, hand pick as many hide beetles out as possible and start a new colony.  And yes, this is far easier than dealing with a mite problem…

Best of luck
Marcy

Marcy Revelez
Collections Manager, CASPIR
Division of Laboratory Systems
Center for Surveillance, Epidemiology, and Laboratory Services
U.S. Centers for Disease Control and Prevention
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From: nhcoll-l-bounces at mailman.yale.edu<mailto:nhcoll-l-bounces at mailman.yale.edu> [mailto:nhcoll-l-bounces at mailman.yale.edu<mailto:nhcoll-l-bounces at mailman.yale.edu>] On Behalf Of sugal
Sent: Friday, October 27, 2017 11:34 PM
To: Aren Gunderson <amgunderson at alaska.edu<mailto:amgunderson at alaska.edu>>; nhcoll-l at mailman.yale.edu<mailto:nhcoll-l at mailman.yale.edu>
Subject: Re: [Nhcoll-l] beetle colony invader

I can only speak from personal experience. It was easy enough to pick healthy larvae and adults from an infested colony for re-homing in a new aquariurm. Far easier than dealing with a (tiny) mite infestation.

Good luck!

Sent via the Samsung Galaxy S® 6 edge, an AT&T 4G LTE smartphone

-------- Original message --------
From: Aren Gunderson <amgunderson at alaska.edu<mailto:amgunderson at alaska.edu>>
Date: 10/27/17 7:43 PM (GMT-05:00)
To: nhcoll-l at mailman.yale.edu<mailto:nhcoll-l at mailman.yale.edu>
Subject: [Nhcoll-l] beetle colony invader

Hi All,
Our dermestid beetle colony has been invaded by the red-legged ham beetle, https://urldefense.proofpoint.com/v2/url?u=https-3A__en.wikipedia.org_wiki_Necrobia-5Frufipes&d=DwIGaQ&c=cjytLXgP8ixuoHflwc-poQ&r=LpYc_Z_iN1KRw0hheb3x6-8MJUMu482qfHowpGYJqwc&m=v6SkxirFPHrmXIUhf5C8HGm4eJKKZwjYC69ijBhCaOM&s=01f06zxrtAoV0AZrZk8KGvCOWApMN05dRjV3I7Tg09Q&e=<https://urldefense.proofpoint.com/v2/url?u=https-3A__en.wikipedia.org_wiki_Necrobia-5Frufipes&d=DwMFaQ&c=cjytLXgP8ixuoHflwc-poQ&r=LpYc_Z_iN1KRw0hheb3x6-8MJUMu482qfHowpGYJqwc&m=kBnbVAiIBvnm37vX57cDemsRZWRts-Qk4W2FalzXAWk&s=96xz_mW-gBvwLEmRKbKL2GUzT9qBmDqxnINLetD9Vmg&e=>. Does anyone have any experience with these guys commingling with their dermestids? Will they kill the dermestids or are they feeding on the skeletons?
Thanks,
Aren

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Aren Gunderson
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-So many mites, so little time!

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Aren Gunderson
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