Hi Angélica Your cases certainly look like *Phereoeca, *rather than *Tinea*. Please be wary of Google photos - many of the identifications are incorrect - you need to be doubtful of any that are not posted from an experienced entomologist. Cheers Tony
Dr A.G.Irwin 47 The Avenues Norwich Norfolk NR2 3PH England mobile: +44(0)7880707834 phone: +44(0)1603 453524 On Thu, 30 Sept 2021 at 20:52, Angelica Isa-Adaniya <[email protected]> wrote: > Dear pest list, > > I hope you are all doing well. I recently came across a moth I hadn't > heard of before called *Phereoeca uterella* or plaster moth / household > casebearer and it suddenly struck me that perhaps the case moths I am used > to finding at work are in fact that and not the *T. pellionella* that I > thought. Unfortunately for me, the fact sheet for *P. uterella *doesn't > seem to be up on the museum pests website yet. > > I had always wondered about this ID because we find a lot of our cases > stuck to our poured concrete walls even in spaces where there are no > exposed objects. I wasn't sure what they were eating. The cases have this > grainy quality under the microscope which doesn't look like threads or > wool-derived, and the cases are rather flat instead of tubular (pumpkinseed > shaped, as described on Wiki). The cases we find are always white or very > light grey. We also tend to find them grouped around the other insects in > our traps, suggesting they are eating the bodies of the dead insects. This > said, I don't believe I have ever, in 5 years, seen a moth in our traps > that looked as dark as the *P. uterella* adult according to the Google > photos. I attach a few images. > > Any thoughts will be greatly appreciated. > > > Thank you! > > -- > *Angélica Isa-Adaniya* | Conservator > *Email* | [email protected] <[email protected]> > Feel free to connect with me on my Website <http://angelicaisa.com/> | > Linkedin <https://www.linkedin.com/in/angelicaisaadaniya/> | Twitter > <https://twitter.com/ConservaLlama> | Altminster <http://altminster.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 [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/pestlist/CAAJvYjVpUKvJtJLa6D2KLaKW717z-6%2B3PAbXLgtxmRCojoEaSA%40mail.gmail.com > <https://groups.google.com/d/msgid/pestlist/CAAJvYjVpUKvJtJLa6D2KLaKW717z-6%2B3PAbXLgtxmRCojoEaSA%40mail.gmail.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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/pestlist/CAFWqZKN4FT3myYSQiaeOpqG9QnNj0OB2Z%3Dxc4rMsBFzvr69w1w%40mail.gmail.com.
