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Ryan, Thanks for sending the specimens. As I suggested in an earlier email, "I think they look more like _Corticaria_ species (hard to say, the image can't be zoomed in without losing definition) or something similar. These would be beetles that belong to the Latridiidae. Older literature/name is listed as Lathridiidae.", they are representatives of the family Latridiidae (minute brown scavenger beetles), genus _Corticaria_, and not ground beetles, members of the family Carabidae. Antennae not filiform, but have last 3 segments of antennae enlarged. Hind trochanters normal, not expanded, extended. Probably _Corticaria serrata._ "I recently found these little guys in a historic house on property. Here are the environmental conditions: · Specimens were located almost exclusively on 2nd floor · Specimens were found on wood floors (unfinished) with gaps in between boards and an inaccessible void underneath · Specimens found mostly under beds and on insect monitors · A few specimens found on a wool blanket (dead) folded on a colonial era bed" Since latridiids feed exclusively on molds, fungi, there must be something going on in that area that allows mold & fungi to grow. It may not be a large growth, but enough to support a latridiid population. It may be a water leak, seepage, condensation, something that isn't obvious but related to a moisture condition. It could be on the lower floor and the beetles are crawling up to the 2nd floor because it's easier in some way to get to where you are finding them. Could be on a higher lever and they are coming down. There may be another explanation, maybe you will find out more information during your investigation. Keep us informed. On Thu, 8 Dec 2011 18:38:23 -0500, bugma...@aol.com wrote: > This is a message from the Museumpests List. > To post to this list send it as an email to pestlist@museumpests.net > To unsubscribe please look at the footer of this email. > ----------------------------------------------------------- > > It has filiform antennae and certainly looks like a ground beetle. > > Tom Parker > > -----Original Message----- > From: Jones, Robert (Ryan) (Ryan) > To: 'pestlist@museumpests.net' > Sent: Thu, Dec 8, 2011 5:20 pm > Subject: [pestlist] Insect ID New Pix #2 > > This is a message from the Museumpests List. > To post to this list send it as an email to pestlist@museumpests.net [1] > To unsubscribe please look at the footer of this email. > ----------------------------------------------------------- > > One more…. > ---------------------------------------------------------------------- > To send an email to the list, send your msg to pestlist@museumpests.Net [2] > > To unsubscribe from this list send an email to pestlist@museumpests.net [3] and in the subject put: > "unsubscribe" - no quotes please. > > You are receiving the Pestlist emails in standard mode. > To change to the DIGEST mode send an > email to imail...@museumpests.net [4] with this command in the body: > > set mode digest pestlist > > Any problems email l...@collectionpests.com [5] or l...@zaks.com [6] > ---------------------------------------------------------------------- > To send an email to the list, send your msg to pestlist@museumpests.Net > > To unsubscribe from this list send an email to pestlist@museumpests.net and in the subject put: > "unsubscribe" - no quotes please. > > You are receiving the Pestlist emails in standard mode. > To change to the DIGEST mode send an > email to imail...@museumpests.net with this command in the body: > > set mode digest pestlist > > Any problems email l...@collectionpests.com or l...@zaks.com -- ----------- Please consider the environment before printing this e-mail Louis N. Sorkin, B.C.E. Entomology Section Division of Invertebrate Zoology American Museum of Natural History Central Park West at 79th Street New York, NY 10024-5192 phone: 212-769-5613 fax: 212-769-5277 email: sor...@amnh.org The New York Entomological Society, Inc. email: n...@amnh.org web: www.nyentsoc.org Online journal from 2001 forward www.BioOne.org www.jstor.org Links: ------ [1] mailto:pestlist@museumpests.net [2] mailto:pestlist@museumpests.Net [3] mailto:pestlist@museumpests.net [4] mailto:imail...@museumpests.net [5] mailto:l...@collectionpests.com [6] mailto:l...@zaks.com ---------------------------------------------------------------------- To send an email to the list, send your msg to pestlist@museumpests.Net To unsubscribe from this list send an email to pestlist@museumpests.net and in the subject put: "unsubscribe" - no quotes please. You are receiving the Pestlist emails in standard mode. To change to the DIGEST mode send an email to imail...@museumpests.net with this command in the body: set mode digest pestlist Any problems email l...@collectionpests.com or l...@zaks.com
