Thank you! We do have other varieties of fungus beetle, I just hadn't seen this one before. Unfortunately I am well aware of some moisture problems in the building so that does make sense. Problems we don't have much control over at the moment other than monitoring and keeping sensitive stuff away from those areas. Still, glad they aren't a direct risk.
Much appreciated, Katy ________________________________ From: [email protected] <[email protected]> on behalf of Anderson, Gretchen <[email protected]> Sent: Wednesday, April 12, 2023 8:11 AM To: [email protected] <[email protected]> Subject: RE: [PestList] RE: Cigarette beetle? In addition, they can be seen as an indicator of moisture (leading to fungal/mold) issues. As Tony says, just a few are not too much of a concern, many indicate a more serious issue, possibly water leak of some kind. Gretchen Anderson Conservator Carnegie Museum of Natural History (Preferred pronouns: she/her) [email protected]<mailto:[email protected]> Mobile: 412-420-9083 From: [email protected] <[email protected]> On Behalf Of Dr Tony Irwin Sent: Wednesday, April 12, 2023 6:37 AM To: [email protected] Subject: Re: [PestList] RE: Cigarette beetle? CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. Hi Katy This is not a Cigarette Beetle (Lasioderma). I think it more likely to be one of the Cryptophagidae or Mycetophagidae (sometimes called the Minute Fungus Beetles). They often crop up when newly plastered walls develop a coat of fungal mycelia as they dry. So recent building work might be the source. Alternatively they can be found in birds' nests, on dung, rotting wood, fungi, compost, etc. If you only find the two, regard them as accidental visitors. If lots more turn up, it could indicate a building problem. 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 23:33, 'Katy Corneli' via MuseumPests <[email protected]<mailto:[email protected]>> wrote: Helps to attach photos…. From: Katy Corneli<mailto:[email protected]> Sent: Tuesday, April 11, 2023 4:31 PM To: [email protected]<mailto:[email protected]> Subject: Cigarette beetle? Hello wise pest folk, Doing our IPM rounds and came across these beetles. Two of them in the same trap. The closest ID I can find is a cigarette beetle. Can anyone confirm? If not cigarette beetle, then what? I’ve taken multiple photos since the depth of field on our imitation dino-lite is pretty terrible. Note the red marks are mm on a fabric tape measure so these are < 2 mm long. Thank you for any ID help. 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