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Hi Betsy
Although Thylodrias does have clubbed setae, they are not arranged in the
sprays that are shown here, nor does it have the tail plumes evident in
your creature. This is Polyxenus, the Bristly Millipede. It is known to
congregate indoors occasionally, usually in bathrooms or unheated bedrooms
where condensation produces the conditions for mould growth (Polyxenus
grazes on mould and algae). They are unlikely to cause any damage to
collections, and drying and cleaning the store thoroughly should resolve
the problem.
Tony
Dr A.G.Irwin
47 The Avenues
Norwich
Norfolk NR2 3PH
England
mobile: +44(0)7880707834
phone: +44(0)1603 453524
On 10 March 2014 22:47, Betsy Bruemmer betsy.bruem...@mohai.org wrote:
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We had a recent invasion of small pests that I am having difficulty
identifying. I thought they were carpet beetle larvae but an entomologist
on bugguide.net has suggested bristle millipede. They were found crawling
all over a white wall in a textile storage room, following a water leak
through the exterior wall. We have in the past found old dried up dermestid
casings on some of our textiles but we don't know if the textiles came in
that way or if the evidence is due to recent activity. It's a huge
collection that is just now being properly catalogued. There is
surprisingly small amount of damage to the textiles overall so it seems
more likely to me that these larvae came in through the leaky building
envelope. The images for both these pests are quite similar, however,
millipedes are not usually mentioned as museum pests and we have not seen
adult millipedes to date but we did find one carpet beetle last year.
Thanks for your help.
*BETSY bruemmer*
*collections manager*
*MOHAI Resource Center*
*5933 6th Avenue South*
*Seattle, WA 98108*
* P: 206.324.1126 Ext. 122 206.324.1126%20Ext.%20122 | F: 206.780.1533
206.780.1533*
*betsy.bruem...@mohai.org betsy.bruem...@mohai.org*
*www.mohai.org http://www.mohai.org*
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Explore the people and events that made this city and changed the world,
at the new *Bezos Center for Innovation, now open at MOHAI!*
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