They are *Dorypteryx*, one of the domestic psocids that appear to be more frequently found in museums and galleries these days. From what I can gather, they are not known to be very damaging to collections. Tony
Dr A.G.Irwin 47 The Avenues Norwich Norfolk NR2 3PH England mobile: +44(0)7880707834 phone: +44(0)1603 453524 On Mon, 30 Oct 2023 at 21:21, Pollack, Richard J < richard_poll...@harvard.edu> wrote: > Alessandra, > > > > Those are winged psocids. You may have some book lice as well as bark lice. > > > > -Rich > > > > *Richard J. Pollack, PhD* > > *Senior Environmental Public Health Officer* > Environmental Health and Safety (EH&S) | Harvard Campus Services > 46 Blackstone Street., Cambridge, MA 02139 > *C: *617-447-0763 > *www.ehs.harvard.edu <http://www.ehs.harvard.edu>* > > > > *From: *pestlist@googlegroups.com <pestlist@googlegroups.com> on behalf > of alessandra.strathma <alessandra.strat...@gmail.com> > *Date: *Monday, October 30, 2023 at 5:15 PM > *To: *MuseumPests <pestlist@googlegroups.com> > *Subject: *[PestList] Identification Help > > Hi All, > > > > I was hoping to get help identifying these insects (circled in blue). We > have had book louse in the past but this is the first time I have seen > similar looking insect but with narrow hairy wings. They were found in a > glue trap on the floor of one of our archive rooms, which has been kept at > around 18 degrees Celsius and 35% RH. So far I have not found any in the > traps on the shelves, only on the floor trap near the entrance. I apologize > for the poor quality photo and lack of scale, they are around 1mm or less > in size. > > > > Thank you in advance! > > > > Alessandra > > -- > 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/c2f75f76-c75b-43f3-a881-1891b61a8573n%40googlegroups.com > <https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msgid_pestlist_c2f75f76-2Dc75b-2D43f3-2Da881-2D1891b61a8573n-2540googlegroups.com-3Futm-5Fmedium-3Demail-26utm-5Fsource-3Dfooter&d=DwMFaQ&c=WO-RGvefibhHBZq3fL85hQ&r=GO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE&m=d_oMk64lWz0JuTW3KvuG63_ouKLy3XYj45ahGLe7lfDIJ_uAaq2EGqvD6Xg_HZH1&s=GhDwcziI8aqsGW49KJXJpR5O-SSMKX2IlGYLsPDeJGE&e=> > . > > -- > 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/MN2PR07MB7839CB1A517EC8DAA902A4D194A1A%40MN2PR07MB7839.namprd07.prod.outlook.com > <https://groups.google.com/d/msgid/pestlist/MN2PR07MB7839CB1A517EC8DAA902A4D194A1A%40MN2PR07MB7839.namprd07.prod.outlook.com?utm_medium=email&utm_source=footer> > . > -- 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/CAFWqZKOf7ooC1cYGLZLyD6pBAUeyyxHjA%3Dg5JUjMkKpn_vWoSw%40mail.gmail.com.