Hi Mike I don't recognise the moth as one of the usual pest species - probably just an accidental visitor. The fly is one of the Phoridae (scuttle flies) - I think genus *Megaselia*, again probably an accidental visitor. Tony
Dr A.G.Irwin 47 The Avenues Norwich Norfolk NR2 3PH England mobile: +44(0)7880707834 phone: +44(0)1603 453524 On Thu, 8 Dec 2022 at 11:12, Mike van der Steenhoven < m.vandersteenho...@mauritshuis.nl> wrote: > Dear Volker, Gretchen, Tony and Edgley, > > > > Thank you for your help! Our museum is enclosed by a pond, so moisture > problems are not unknown to us. We will start checking for any > microclimates and deviations in the air-conditioned areas. > > > > I have attached two further insects where you might come at aid for us. I > am not sure if this moth is a risk for our silk wall covering and curtains. > The fly I have no clue to what this might be. > > > > Your help is appreciated. > > > With kind regards, > > > *Mike van der Steenhoven* > > Coördinator Collectiebeheer > > > > +31(0)70 3023497 > > +31(0) 6 21823879 > > m.vandersteenho...@mauritshuis.nl > > > > *Mauritshuis* > Koninklijk Kabinet van Schilderijen > > > > > > > > [image: In volle bloei] <http://mauritshuis.nl/manhattanmasters> > > *Van:* pestlist@googlegroups.com <pestlist@googlegroups.com> *Namens *Hingst, > Volker > *Verzonden:* woensdag 7 december 2022 17:21 > *Aan:* pestlist@googlegroups.com > *Onderwerp:* [PestList] AW: Determination > > > > dear pesty people, > > > > I would think that there is an instar of a *Ctenolepisma longicaudatum* > or grey silverfish > > this is no good when you have paper objekts ! > > this is a very bad threat to libraries and archives !! > > > > all the best > > > > V o l k e r > > > > Dipl.-Restaurator Volker Hingst > IPM-Koordinator > --------------------------------------- > *LVR - Archivberatungs- und Fortbildungszentrum* > > Technisches Zentrum / Papierrestaurierung > > > Ehrenfriedstr.19 > 50259 Pulheim > Tel.: 02234-9854-236 > Fax: 0221-8284-2479 > E-Mail: volker.hin...@lvr.de > Internet: www.afz.lvr.de > <https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.afz.lvr.de%2F&data=05%7C01%7Cm.vandersteenhoven%40mauritshuis.nl%7C151e0d868d58427dd10108dad86f0552%7Cf53bf55cd15342d29e6bbe84103d248c%7C0%7C0%7C638060268603892242%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=Qe0TyjsZU2do9UmNUILr%2Fqn6rJN9aSoo2V1Cvns1yJk%3D&reserved=0> > > > > > > *Von:* 'Edgley Cesar' via MuseumPests <pestlist@googlegroups.com> > *Gesendet:* Mittwoch, 7. Dezember 2022 14:56 > *An:* pestlist@googlegroups.com > *Betreff:* [PestList] RE: Determination > > > > I also think they’re booklice. > > The beetle is hard to tell from the photo but resembles plaster beetles > e.g. Adistemia or Dienerella > > > > > > > > Edgley A. César – Curator, Diatoms > > Natural History Museum | Cromwell Road | SW7 5BD | London – UK > > > > *From:* pestlist@googlegroups.com <pestlist@googlegroups.com> *On Behalf > Of *Mike van der Steenhoven > *Sent:* 07 December 2022 13:44 > *To:* pestlist@googlegroups.com > *Subject:* [PestList] Determination > > > > Dear Pestlisters and colleagues, > > > > I hope you can help me identify the insects shown in these pictures. They > are miniscule, they look like booklice but I am not shure. > > > > On the 4th photograph shows a beetle, but I cant figure out if this one > is a treath to our collection our building or not. > > > Ass always your help will be most appreciated. > > > > With kind regards, > > > > *Mike van der Steenhoven* > > Coördinator Collections Management > > > > +31(0)70 3023497 > > +31(0) 6 21823879 > > m.vandersteenho...@mauritshuis.nl > > > > *Mauritshuis* > Koninklijk Kabinet van Schilderijen > *Royal Picture Gallery* > > > > > > > > [image: In volle bloei] > <https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmauritshuis.nl%2Fmanhattanmasters&data=05%7C01%7Cm.vandersteenhoven%40mauritshuis.nl%7C151e0d868d58427dd10108dad86f0552%7Cf53bf55cd15342d29e6bbe84103d248c%7C0%7C0%7C638060268603892242%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=7D1D%2BmxZUXUviQF8uTWddTAGlkNDG266R%2BbjCCYDKHM%3D&reserved=0> > > > > > > -- > 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/AS8PR08MB844271263AD0A0B2875020F1EE1A9%40AS8PR08MB8442.eurprd08.prod.outlook.com > <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fpestlist%2FAS8PR08MB844271263AD0A0B2875020F1EE1A9%2540AS8PR08MB8442.eurprd08.prod.outlook.com%3Futm_medium%3Demail%26utm_source%3Dfooter&data=05%7C01%7Cm.vandersteenhoven%40mauritshuis.nl%7C151e0d868d58427dd10108dad86f0552%7Cf53bf55cd15342d29e6bbe84103d248c%7C0%7C0%7C638060268604048466%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ox1Oxlfnq%2BltLVe66Wplamou%2FasNCMmSNjggsiG4uTo%3D&reserved=0> > . > > -- > 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/LO0P265MB33225D00533D4DAD5841771DA01A9%40LO0P265MB3322.GBRP265.PROD.OUTLOOK.COM > <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fpestlist%2FLO0P265MB33225D00533D4DAD5841771DA01A9%2540LO0P265MB3322.GBRP265.PROD.OUTLOOK.COM%3Futm_medium%3Demail%26utm_source%3Dfooter&data=05%7C01%7Cm.vandersteenhoven%40mauritshuis.nl%7C151e0d868d58427dd10108dad86f0552%7Cf53bf55cd15342d29e6bbe84103d248c%7C0%7C0%7C638060268604048466%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=WvJ%2FEPnZesz%2BV1rMglbL1tRHqeskTFPCnBsFtoX4Km4%3D&reserved=0> > . > > -- > 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/cb07b672c31c46ae9d964f762c56e837%40lvr.de > <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgroups.google.com%2Fd%2Fmsgid%2Fpestlist%2Fcb07b672c31c46ae9d964f762c56e837%2540lvr.de%3Futm_medium%3Demail%26utm_source%3Dfooter&data=05%7C01%7Cm.vandersteenhoven%40mauritshuis.nl%7C151e0d868d58427dd10108dad86f0552%7Cf53bf55cd15342d29e6bbe84103d248c%7C0%7C0%7C638060268604048466%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=tS7x2If19T4VQ50dhBhuv%2FNaRmdYxKfKwKblMDhy1D0%3D&reserved=0> > . > > -- > 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/AS8PR08MB844286ED72B5DF4238ECB467EE1D9%40AS8PR08MB8442.eurprd08.prod.outlook.com > <https://groups.google.com/d/msgid/pestlist/AS8PR08MB844286ED72B5DF4238ECB467EE1D9%40AS8PR08MB8442.eurprd08.prod.outlook.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "MuseumPests" group. 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