The drugstore beetle eggs are already in the bait when you receive it from your distributor. Seeing larvae and adults means the bait has been lying around for a long time and has not been changed.
Tom Parker > On Sep 26, 2019, at 4:38 PM, Christina M. Cain <[email protected]> > wrote: > > Georgia, > Thanks for the great photos. I had always heard that this is another reason > not to use poison bait for rodents. It tends to provide a nesting location > for beetle larvae, resulting in a secondary infestation. We tend to go with > snap traps or maybe live traps (both of which are checked daily) when there > is any evidence of a rodent problem. Additional measures can also be taken > to seal up the building and remove food and food trash to help prevent any > rodent invasion in the first place. Besides the beetle harboring, other > issues with the poison include secondary poisoning of birds of prey, cats, or > other wildlife that might eat a mouse that escapes the building before > expiring. In general, it is probably best to find another way of eradicating > rodents. > Best, > Christina > > Christina Cain > Anthropology Collections Manager > University of Colorado Museum of Natural History > 303-492-2198 > > From: [email protected] <[email protected]> On Behalf Of > Georgia Miller > Sent: Thursday, September 26, 2019 2:28 PM > To: '[email protected]' <[email protected]> > Subject: [pestlist] Drugstore beetles eating rodent bait > > Hello, > Yesterday I discovered drugstore beetles (Stegobium paniceum) inside two > rodent bait stations. > There was a sticky trap nearby with beetles on and I just happened to check > the rodent station by chance (this is usually checked by an external rodent > provider). > After opening the rodent trap I saw the beetles had bore holes all through > the poison bait, I broke open the bait and could see happy little larvae > inside! > The poison bait is Contrac All-Weather Blox, I’m unsure if this is used in > other countries or just here in New Zealand. > We have these bait stations throughout the whole museum and I’m now worried > that we are attracting drugstore beetles with our rodent prevention… any > thoughts appreciated! > Georgia > > > Georgia Miller | Collection Manager, Collection Care | Auckland War Memorial > Museum | Tāmaki Paenga Hira | The Domain, Private Bag 92018, Victoria Street > West, Auckland 1142, New Zealand | M | P +64 9 306 7070 ext 7190 | E > [email protected] > > > Auckland Museum Trust Board ("Auckland Museum") accepts no liability for any > opinion contained in this email. The material in this email is confidential > to the recipient named above. If you are not the intended recipient: please > do not copy, use or disclose this communication; please notify us immediately > by email or by telephone (64 9 309 0443) and then delete this email. Where > this is a communication unrelated to the business of Auckland Museum, > Auckland Museum does not accept any responsibility for its contents. > > This e-mail message has been scanned for Viruses and Content and cleared by > MailMarshal > -- > 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/5d24341e3b4d4dd3852d4b16caacfeaf%40AMVM-EXCHANGE-C.akmuseum.org.nz. > -- > 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/SN6PR03MB34855839B335601A4138E1BAED860%40SN6PR03MB3485.namprd03.prod.outlook.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/DD430AD3-36D7-48FF-86EB-DF4838BE011B%40aol.com.
