Good evening Jodi, I agree with Dr. Irwin that the wing venation is indicative of a Calliphoridae species.
Best, Mike Sent from my iPhone > On Apr 11, 2023, at 8:18 PM, Dr Tony Irwin <dr.tony.ir...@gmail.com> wrote: > > > Yes, shrews will eat blowflies, and produce a 4-5mm dropping like the one in > the photo. But the smaller frass is from a beetle larva or moth caterpillar. > Your blunder traps should provide evidence of what's active in the case. > Tony > > Dr A.G.Irwin > 47 The Avenues > Norwich > Norfolk NR2 3PH > England > > mobile: +44(0)7880707834 > phone: +44(0)1603 453524 > > >> On Tue, 11 Apr 2023 at 18:58, Jodi Lundgren <jodi.lundg...@crazyhorse.org> >> wrote: >> Thank you and sorry for not including scale! The size of the particle in >> those images is 4-5mm. This was in an enclosed case with weaknesses in its >> construction but I am hoping a mouse couldn’t have squeezed in there. I’ll >> look at the weaknesses more closely though, as well as check all objects in >> the area for possible beetle or other issues. We do have recurring problems >> with beetles. >> >> >> >> We have found shrews in blunder traps in there recently (just a month ago). >> Would a shrew eat fly carcasses? I didn’t see any signs of beetle activity >> outside of the frass from the fly carcasses. >> >> >> >> Thanks! >> >> >> >> Jodi >> >> >> >> From: pestlist@googlegroups.com <pestlist@googlegroups.com> On Behalf Of Dr >> Tony Irwin >> Sent: Tuesday, April 11, 2023 1:43 AM >> To: pestlist@googlegroups.com >> Subject: Re: [PestList] winged pest >> >> >> >> Hi Jodi >> >> Your photos show the remains of blow-flies (Calliphoridae, probably >> Calliphora species). Their bodies have been eaten by something else, such as >> a clothes moth or dermestid beetle. Unfortunately anything which is happy >> eating dead flies is a potential threat to other organic remains, including >> museum objects. A set of blunder traps would help to establish what pests >> you have, and where they are concentrated. The photos 105833 and 105914 need >> a scale with them, or at least tell us the size of the object. I'm guessing >> it's a few millimetres long, and might be a mouse dropping. Again, a >> potential threat to museum materials. >> >> Best wishes >> >> Tony >> >> >> >> Dr A.G.Irwin >> >> 47 The Avenues >> >> Norwich >> >> Norfolk NR2 3PH >> >> England >> >> mobile: +44(0)7880707834 >> >> phone: +44(0)1603 453524 >> >> >> >> >> >> On Mon, 10 Apr 2023 at 22:29, Jodi Lundgren <jodi.lundg...@crazyhorse.org> >> wrote: >> >> Hey all, >> >> >> >> We had to pull these bits of bugs out of a case. It didn’t look like >> anything was actively happening to the object nearby. I tried to do a wing >> search and think these may look like Conopidae? I haven’t done a lot of >> identification so I may be way off base here. >> >> >> >> There were bits of specs under and around the carcasses. I thought the >> little bits may just be the bodies desiccating and flaking off. I don’t >> know if they can decompose in consistently-sized breakage/flaking like that >> and am just shooting from the hip here in trying to figure this out. I’m >> most worried that something else may be eating them and this is frass—that >> there is some OTHER pest that I should be concerned about. >> >> >> >> Can anyone advise on what I may be dealing with here? >> >> >> >> Thanks! >> >> >> >> Jodi Lundgren >> >> Collections Manager >> >> The Indian Museum of North America® >> >> Crazy Horse Memorial Foundation >> >> 12151 Avenue of the Chiefs >> >> Crazy Horse, SD 57730-8900 >> >> Phone (605) 673-4681 >> >> jodi.lundg...@crazyhorse.org >> >> www.crazyhorsememorial.org >> >> >> >> The Mission of Crazy Horse Memorial Foundation is to protect and preserve >> the culture, tradition, and living heritage of the North American Indians. >> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "MuseumPests" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to pestlist+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/pestlist/SN6PR02MB5421C22EC8ACC3FA1B10A56295959%40SN6PR02MB5421.namprd02.prod.outlook.com. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "MuseumPests" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to pestlist+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/pestlist/CAFWqZKMU3vMcwdhAfa6zShdWrUSScPy%3DaAtuen7uGgPiu3MXRg%40mail.gmail.com. >> >> -- >> You received this message because you are subscribed to the Google Groups >> "MuseumPests" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to pestlist+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/pestlist/SN6PR02MB542173675BEFDD9810387D39959A9%40SN6PR02MB5421.namprd02.prod.outlook.com. > > -- > You received this message because you are subscribed to the Google Groups > "MuseumPests" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to pestlist+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/pestlist/CAFWqZKPBL8Yc--QxdhHEFKwG5d9MkLUuEfD4Nf4AULzQ9Awezg%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "MuseumPests" group. 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