Hi We have seen cockroaches emerge from floor waste drains that have dried out (there's an s-bend between the drain and the sewer line which needs to be refilled occasionally), but the most common entry is with cardboard boxes carrying cleaning supplies, etc. Best wishes Alex
*Alex Roach* *Director* Modified Atmospheres *M:* 0414 663 472 ABN: 66 164 577 557 On Thu, 13 Jan 2022 at 23:40, Pollack, Richard J < [email protected]> wrote: > Adie, > > In my experience, German cockroaches are rarely associated with plumbing. > They may occasionally accumulate around a drain for moisture, but they > wouldn’t arise from the sewer lines below. I’d wager that these roaches > were stowaways on supplies brought in during construction or thereafter. > > -Rich > > > > *Richard J. Pollack, PhD* > > *HARVARD UNIVERSITY* > Environmental Health and Safety (EH&S) > Senior Environmental Public Health Officer > 46 Blackstone St. > Cambridge, MA 02139 > *Office*: 617-495-2995 *Cell*: 617-447-0763 > *www.ehs.harvard.edu <http://www.ehs.harvard.edu>* > > [email protected] > > > > linkedin.com/in/richard-pollack-6818997 > <https://www.linkedin.com/in/richard-pollack-6818997> > > > > > > > > *From: *'Adrian Doyle' via MuseumPests <[email protected]> > *Reply-To: *"[email protected]" <[email protected]> > *Date: *Thursday, January 13, 2022 at 6:20 AM > *To: *"[email protected]" <[email protected]> > *Subject: *[PestList] German Cockroach > > > > Hello folks > > > > we have found German cockroach nymphs in a new build/refurbishment project > where we have not found any before. > > > > Has anyone else come across them as we suspect they have either come in > with the materials or made their way up through the sewers? > > > > we rarely find them at the BM Estate, London > > > > regards > > Adie > > > > Adrian M Doyle is currently working from home but is available via e mail > on [email protected] or via the work mobile > > > > Work mobile: 07813 363292 > > > > Mr Adrian (Adie ) Doyle > > Integrated Pest Manager > > Department of Property and Facilities Management > > British Museum > > Great Russell Street > > London > > WC1B 3DG > > UK > > > > -- > 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/AS8PR02MB662992E2394220EE6C9EF160DD539%40AS8PR02MB6629.eurprd02.prod.outlook.com > <https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_msgid_pestlist_AS8PR02MB662992E2394220EE6C9EF160DD539-2540AS8PR02MB6629.eurprd02.prod.outlook.com-3Futm-5Fmedium-3Demail-26utm-5Fsource-3Dfooter&d=DwMFaQ&c=WO-RGvefibhHBZq3fL85hQ&r=GO7C3XN3WgFy2IP-bFBbnUs_CYntqj57Dprtl40-_KE&m=1kESryMrG32b1FhS_kBHliwnmdQJGT3rgaGMJ5_7AFWG8ZX4M-kuxsySefhH2HUX&s=BGUXYMSk6GlfEaM8S4zUIjPl-0v_xXS16IhEguq5Qow&e=> > . > > -- > 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/8397EE5E-C706-4FFC-A906-F4AE7B81DB3A%40harvard.edu > <https://groups.google.com/d/msgid/pestlist/8397EE5E-C706-4FFC-A906-F4AE7B81DB3A%40harvard.edu?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/CAOt7HWCQJY0wuzkdezm%3DiVN9RBFe2_FqkcDwsWRFLdpaOEtSHQ%40mail.gmail.com.
