The picture of "Frass 1" suggests *Hofmannophila pseudospretella *(Brown House Moth) to me. I'm unable to suggest any identification of "Frass 2" Tony
Dr A.G.Irwin 47 The Avenues Norwich Norfolk NR2 3PH England mobile: +44(0)7880707834 phone: +44(0)1603 453524 On Sun, 2 Nov 2025 at 16:16, Costa Cécile <[email protected]> wrote: > Hello everybody, > > We are currently working on two arched harps that have signs (damages, > frass) of past infestation from keratophageous and xylophageous insects and > we wanted to know if by chance someone could be able to identify the pest > species based on the frass we found (see attached image) ? > > Those objects are harps from Congo, stocked in Switzerland for more than > 15 years. > Wood species are unknown. > Skins are antelope and monitor lizard. > For stitching (image "frass 1"), animal fibers were used, no further > identification was made. > > Thank you for your help, > Best regards, > > Cécile Costa > Student at Haute Ecole Arc (Neuchâtel, Switzerlad) > > > -- > This PestList and the MuseumPests.com web site are made possible due to > the talent, intelligence, devotion and donations of hundreds of volunteers. > Your donation to help this resource continue would be greatly appreciated. > > Please consider a donation donating at https://givebutter.com/MuseumPests > > To unsubscribe from this group, send email to > [email protected] > --- > 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 [email protected]. > To view this discussion visit > https://groups.google.com/d/msgid/pestlist/ZR0P278MB0974F5AE98F83E1FAA7EFAB3CEC6A%40ZR0P278MB0974.CHEP278.PROD.OUTLOOK.COM > <https://groups.google.com/d/msgid/pestlist/ZR0P278MB0974F5AE98F83E1FAA7EFAB3CEC6A%40ZR0P278MB0974.CHEP278.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer> > . > -- This PestList and the MuseumPests.com web site are made possible due to the talent, intelligence, devotion and donations of hundreds of volunteers. Your donation to help this resource continue would be greatly appreciated. Please consider a donation donating at https://givebutter.com/MuseumPests To unsubscribe from this group, send email to [email protected] --- 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 [email protected]. To view this discussion visit https://groups.google.com/d/msgid/pestlist/CAFWqZKM%2BBYMhMGY7k8-PkfYMJQZWpDBeqwW8G84e_BDrA2k5tg%40mail.gmail.com.
