RE: [pestlist] IGRs

[Louis Sorkin]

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It’s interesting that hydroprene (Gentrol) was developed and tested on 
hemimetabolous insects; Methoprene (Precor) on holometabolous insects (such as 
beetles). Cockroaches and bed bugs are hemimetabolous, but Gentrol basically 
had no effect at label dosages on bed bugs even though the early studies said 
it did.  It has always worked well against cockroaches.  Methoprene was shown 
to be efficacious against certain reduviid (Rhodnius) bugs and bed bugs, both 
hemipterans and both hemimetabolous insects.  These particular IGRs are 
supposed to translocate from original points of application, though I remember 
hearing another word to explain about their movement in the environment.  With 
respect to two related beetles, the cigarette beetle (Lasioderma serricorne) is 
supposed to respond to Methoprene and not Hydroprene, while the drugstore 
beetle (Stegobium paniceum) is supposed to be more responsive to Hydroprene.  
Other stored product pests also respond to Hydroprene.
Insects always surprise us.
Lou

Louis N. Sorkin, B.C.E.
Entomologist, Arachnologist, Myriapodologist
Entomophagy Research
Division of Invertebrate Zoology|American Museum of Natural History
Central Park West at 79th Street|New York, New York 10024-5192
sor...@amnh.org<mailto:sor...@amnh.org>
212-769-5613 voice | 212-769-5277 fax | 917-953-0094 local pager

The New York Entomological Society, Inc.
www.nyentsoc.org<http://www.nyentsoc.org/>
n...@amnh.org<mailto:n...@amnh.org>
[cid:image001.png@01D110A0.A110F570]


From: pestlist-ow...@museumpests.net [mailto:pestlist-ow...@museumpests.net] On 
Behalf Of Alan P Van Dyke
Sent: Monday, June 27, 2016 1:05 PM
To: pestlist@museumpests.net
Subject: Re: [pestlist] IGRs

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We already spray the exterior of the building with esfenvalerate, which has 
helped tremendously preventivng new critters from getting in.  However, we 
still need to address our resident populations.

My understanding is that Gentrol (hydroprene) will also affect a handful of 
other common pests, including drugstore beetles.  Our biggest concern about 
using this product is how the IPM coordinator for our campus described how it 
is used.  He made it sound like the chemical travels through the building, or 
at least parts of it, meaning that it touches everything.  We're used to target 
spraying, but the idea of a chemical floating through the air and coming into 
contact with photographic collections does raise a concern.

Another concern we are curious about is if Gentrol arrests development of 
larva, do they stay in the larval stage longer and cause more damage to 
whatever they are feeding on as a result?

Mostly I'm interested in hearing if anyone else out there has tried IGRs and 
what their experiences are.

Thanks,

Alan


On Mon, Jun 27, 2016 at 11:24 AM, bugman22 
<bugma...@aol.com<mailto:bugma...@aol.com>> wrote:
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Group -

Insect growth regulators do not work on all insects across the board.  They 
work primarily on cockroaches and fleas.  They disrupt the molting process of 
cockroaches and hold fleas in the harmless larval stage.  They would not be a 
good choice for fabric pests or silverfish.

Tom Parker

-Original Message-
From: Voron, Joel <jvo...@cwf.org<mailto:jvo...@cwf.org>>
To: pestlist <pestlist@museumpests.net<mailto:pestlist@museumpests.net>>
Sent: Mon, Jun 27, 2016 10:12 am
Subject: Re: [pestlist] IGRs
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What is the target pest?

Joel Voron
Colonial Williamsburg Foundation
  Conservation Dept.
 Integrated Pest Management
  Office 757-220-7080
Cell 757-634-1175
  E-Mail jvo...@cwf.org<mailto:jvo...@cwf.org>




From: pestlist-ow...@museumpests.net<mailto:pestlist-ow...@museumpests.net> 
<pestlist-ow...@museumpests.net<mailto:pestlist-ow...@museumpests.net>> on 
behalf of Alan P Van Dyke <apvand...@utexas.edu<mailto:apvand...@utexas.edu

Re: [pestlist] IGRs

[Alan P Van Dyke]

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Thanks, Tom.  That's the kind of answer I was looking for.  We'll keep
plugging along the old fashioned way.  The campus IPM coordinator works for
the landscaping department and is new to the University, and I don't think
he quite understands our needs.  Hopefully, though, he'll learn.

Alan

On Mon, Jun 27, 2016 at 12:51 PM, bugman22 <bugma...@aol.com> wrote:

> This is a message from the Museumpests.net  List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> ---
> Group -
>
> It sounds like the applicator is going to use an aerosol or fog
> application of Gentrol --- NOT good for any collection.  Pesticide
> applications are short-term "fixes"; you really haven't found the reasons
> infestations exist and aim prevention methods at them.
>
> And yes, it will hold larvae in the larval state where they will keep on
> feeding.
>
> It's time you had someone set up a proper IPPM (Integrated Preventive Pest
> Management) program for your facility, which would basically eliminate the
> need for any pesticides (except for your termite situations).
>
> For instance, there are readily-available pheromone traps for drugstore
> beetles.  Wouldn't it be more logical to have a thorough inspection and
> find out the source of the drugstore beetles?  Is it old rodent bait?  Is
> it some sort of dried plant material?  Or is it someone housing cooking
> spices somewhere nearby?  Is it an accumulation of pigeon droppings in an
> attic or an exterior ledge?  Same could be said for the cockroaches - why
> are they present and where is the source?  If it's American's, they are
> probably walking in.
>
> Thomas A. Parker, PhD
> President, Entomologist
> Pest Control Services, Inc.
> 469 Mimosa Circle
> Kennett Square, PA 19348
> www.museumpestcontrol.com
>
>
> -Original Message-
> From: Alan P Van Dyke <apvand...@utexas.edu>
> To: pestlist <pestlist@museumpests.net>
> Sent: Mon, Jun 27, 2016 1:05 pm
> Subject: Re: [pestlist] IGRs
>
> This is a message from the Museumpests.net  List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> ---
> We already spray the exterior of the building with esfenvalerate, which
> has helped tremendously preventivng new critters from getting in.  However,
> we still need to address our resident populations.
>
> My understanding is that Gentrol (hydroprene) will also affect a handful
> of other common pests, including drugstore beetles.  Our biggest concern
> about using this product is how the IPM coordinator for our campus
> described how it is used.  He made it sound like the chemical travels
> through the building, or at least parts of it, meaning that it touches
> everything.  We're used to target spraying, but the idea of a chemical
> floating through the air and coming into contact with photographic
> collections does raise a concern.
>
> Another concern we are curious about is if Gentrol arrests development of
> larva, do they stay in the larval stage longer and cause more damage to
> whatever they are feeding on as a result?
>
> Mostly I'm interested in hearing if anyone else out there has tried IGRs
> and what their experiences are.
>
> Thanks,
>
> Alan
>
>
> On Mon, Jun 27, 2016 at 11:24 AM, bugman22 <bugma...@aol.com> wrote:
>
> This is a message from the Museumpests.net  List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> ---
> Group -
>
> Insect growth regulators do not work on all insects across the board.
> They work primarily on cockroaches and fleas.  They disrupt the molting
> process of cockroaches and hold fleas in the harmless larval stage.  They
> would not be a good choice for fabric pests or silverfish.
>
> Tom Parker
>
> -Original Message-
> From: Voron, Joel <jvo...@cwf.org>
> To: pestlist <pestlist@museumpests.net>
> Sent: Mon, Jun 27, 2016 10:12 am
> Subject: Re: [pestlist] IGRs
>
> This is a message from the Museumpests.net  List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> -

Re: [pestlist] IGRs

[bugman22]

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Group -

It sounds like the applicator is going to use an aerosol or fog application of 
Gentrol --- NOT good for any collection.  Pesticide applications are short-term 
"fixes"; you really haven't found the reasons infestations exist and aim 
prevention methods at them.

And yes, it will hold larvae in the larval state where they will keep on 
feeding.

It's time you had someone set up a proper IPPM (Integrated Preventive Pest 
Management) program for your facility, which would basically eliminate the need 
for any pesticides (except for your termite situations).

For instance, there are readily-available pheromone traps for drugstore 
beetles.  Wouldn't it be more logical to have a thorough inspection and find 
out the source of the drugstore beetles?  Is it old rodent bait?  Is it some 
sort of dried plant material?  Or is it someone housing cooking spices 
somewhere nearby?  Is it an accumulation of pigeon droppings in an attic or an 
exterior ledge?  Same could be said for the cockroaches - why are they present 
and where is the source?  If it's American's, they are probably walking in.

Thomas A. Parker, PhD
President, Entomologist
Pest Control Services, Inc.
469 Mimosa Circle
Kennett Square, PA 19348
www.museumpestcontrol.com


-Original Message-
From: Alan P Van Dyke <apvand...@utexas.edu>
To: pestlist <pestlist@museumpests.net>
Sent: Mon, Jun 27, 2016 1:05 pm
Subject: Re: [pestlist] IGRs


This is a message from the Museumpests.net  List.
To post to thislist send it as an email to pestlist@museumpests.net
To unsubscribe look atthe footer of thisemail.
---

We already spray the exterior of the building with esfenvalerate, which has 
helped tremendously preventivng new critters from getting in.  However, we 
still need to address our resident populations.


My understanding is that Gentrol (hydroprene) will also affect a handful of 
other common pests, including drugstore beetles.  Our biggest concern about 
using this product is how the IPM coordinator for our campus described how it 
is used.  He made it sound like the chemical travels through the building, or 
at least parts of it, meaning that it touches everything.  We're used to target 
spraying, but the idea of a chemical floating through the air and coming into 
contact with photographic collections does raise a concern.


Another concern we are curious about is if Gentrol arrests development of 
larva, do they stay in the larval stage longer and cause more damage to 
whatever they are feeding on as a result?


Mostly I'm interested in hearing if anyone else out there has tried IGRs and 
what their experiences are.


Thanks,


Alan




On Mon, Jun 27, 2016 at 11:24 AM, bugman22 <bugma...@aol.com> wrote:

This is a message from the Museumpests.net  List.
To post to this list send it as an email to pestlist@museumpests.net
To unsubscribe look at the footer of this email.
---

Group -

Insect growth regulators do not work on all insects across the board.  They 
work primarily on cockroaches and fleas.  They disrupt the molting process of 
cockroaches and hold fleas in the harmless larval stage.  They would not be a 
good choice for fabric pests or silverfish.

Tom Parker


-Original Message-
From: Voron, Joel <jvo...@cwf.org>
To: pestlist <pestlist@museumpests.net>
Sent: Mon, Jun 27, 2016 10:12 am
Subject: Re: [pestlist]  IGRs


This is a message from the Museumpests.net  List.
To post to thislist send it as an email to pestlist@museumpests.net
To unsubscribe look atthe footer of thisemail.
---

What is the target pest?




Joel Voron
Colonial Williamsburg Foundation
  Conservation Dept.
 Integrated Pest Management
  Office 757-220-7080
Cell 757-634-1175
  E-Mail jvo...@cwf.org









From: pestlist-ow...@museumpests.net <pestlist-ow...@museumpests.net> on behalf 
of Alan P Van Dyke <apvand...@utexas.edu>
Sent: Monday, June 27, 2016 9:40:18 AM
To: pestlist@museumpests.net
Subject: [pestlist] IGRs


This is a message from the Museumpests.net  List.
To post to this list send it as an email to pestlist@museumpests.net
To unsubscribe look at the footer of this email.
---

Hello PestList,


We've been approached by our campus IPM coordinator about using insect growth 
regulators within our building.  Being as that we are the home to not only a 
large collection of books and manuscripts, but photographs as well.  If we were 
just a regular library, I'd say to go for it, but we aren't.  What is the 
cu

Re: [pestlist] IGRs

[Alan P Van Dyke]

This is a message from the Museumpests.net  List.
To post to this list send it as an email to pestlist@museumpests.net
To unsubscribe look at the footer of this email.
---



We already spray the exterior of the building with esfenvalerate, which has
helped tremendously preventivng new critters from getting in.  However, we
still need to address our resident populations.

My understanding is that Gentrol (hydroprene) will also affect a handful of
other common pests, including drugstore beetles.  Our biggest concern about
using this product is how the IPM coordinator for our campus described how
it is used.  He made it sound like the chemical travels through the
building, or at least parts of it, meaning that it touches everything.
We're used to target spraying, but the idea of a chemical floating through
the air and coming into contact with photographic collections does raise a
concern.

Another concern we are curious about is if Gentrol arrests development of
larva, do they stay in the larval stage longer and cause more damage to
whatever they are feeding on as a result?

Mostly I'm interested in hearing if anyone else out there has tried IGRs
and what their experiences are.

Thanks,

Alan


On Mon, Jun 27, 2016 at 11:24 AM, bugman22 <bugma...@aol.com> wrote:

> This is a message from the Museumpests.net  List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> ---
> Group -
>
> Insect growth regulators do not work on all insects across the board.
> They work primarily on cockroaches and fleas.  They disrupt the molting
> process of cockroaches and hold fleas in the harmless larval stage.  They
> would not be a good choice for fabric pests or silverfish.
>
> Tom Parker
>
> -Original Message-
> From: Voron, Joel <jvo...@cwf.org>
> To: pestlist <pestlist@museumpests.net>
> Sent: Mon, Jun 27, 2016 10:12 am
> Subject: Re: [pestlist] IGRs
>
> This is a message from the Museumpests.net  List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> ---
> What is the target pest?
>
> *Joel Voron*
> *Colonial Williamsburg Foundation*
>   Conservation Dept.
>  Integrated Pest Management
>   Office 757-220-7080
> Cell 757-634-1175
>   E-Mail jvo...@cwf.org
>
>
>
> --
> *From:* pestlist-ow...@museumpests.net <pestlist-ow...@museumpests.net>
> on behalf of Alan P Van Dyke <apvand...@utexas.edu>
> *Sent:* Monday, June 27, 2016 9:40:18 AM
> *To:* pestlist@museumpests.net
> *Subject:* [pestlist] IGRs
>
> This is a message from the Museumpests.net  List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> ---
> Hello PestList,
>
> We've been approached by our campus IPM coordinator about using insect
> growth regulators within our building.  Being as that we are the home to
> not only a large collection of books and manuscripts, but photographs as
> well.  If we were just a regular library, I'd say to go for it, but we
> aren't.  What is the current thought on using IGRs in cultural
> institutions, especially those with chemically sensitive collections?
>
> Thanks,
>
> Alan Van Dyke
>
> --
> Alan P. Van Dyke
> Preservation Staff
> Harry Ransom Center
> The University of Texas at Austin
> P.O. Box 7219
> Austin, TX 78713-7219
> P: 512-232-4614
> www.hrc.utexas.edu
> -
> To unsubscribe from this list send an email to
> imail...@museumpests.net and in the body put:
> "unsubscribe pestlist"
> Any problems email l...@zaks.com
>
>
> -
> To unsubscribe from this list send an email to
> imail...@museumpests.net and in the body put:
> "unsubscribe pestlist"
> Any problems email l...@zaks.com
>
>
>
> -
> To unsubscribe from this list send an email to
> imail...@museumpests.net and in the body put:
> "unsubscribe pestlist"
> Any problems email l...@zaks.com
>
>


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Re: [pestlist] IGRs

[bugman22]

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To post to this list send it as an email to pestlist@museumpests.net
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---




Group -

Insect growth regulators do not work on all insects across the board.  They 
work primarily on cockroaches and fleas.  They disrupt the molting process of 
cockroaches and hold fleas in the harmless larval stage.  They would not be a 
good choice for fabric pests or silverfish.

Tom Parker

-Original Message-
From: Voron, Joel <jvo...@cwf.org>
To: pestlist <pestlist@museumpests.net>
Sent: Mon, Jun 27, 2016 10:12 am
Subject: Re: [pestlist]  IGRs


This is a message from the Museumpests.net  List.
To post to thislist send it as an email to pestlist@museumpests.net
To unsubscribe look atthe footer of thisemail.
---

What is the target pest?




Joel Voron
Colonial Williamsburg Foundation
  Conservation Dept.
 Integrated Pest Management
  Office 757-220-7080
Cell 757-634-1175
  E-Mail jvo...@cwf.org








From: pestlist-ow...@museumpests.net <pestlist-ow...@museumpests.net> on behalf 
of Alan P Van Dyke <apvand...@utexas.edu>
Sent: Monday, June 27, 2016 9:40:18 AM
To: pestlist@museumpests.net
Subject: [pestlist] IGRs


This is a message from the Museumpests.net  List.
To post to this list send it as an email to pestlist@museumpests.net
To unsubscribe look at the footer of this email.
---

Hello PestList,


We've been approached by our campus IPM coordinator about using insect growth 
regulators within our building.  Being as that we are the home to not only a 
large collection of books and manuscripts, but photographs as well.  If we were 
just a regular library, I'd say to go for it, but we aren't.  What is the 
current thought on using IGRs in cultural institutions, especially those with 
chemically sensitive collections?


Thanks,

Alan Van Dyke



--





Alan P. Van Dyke
Preservation Staff

Harry Ransom Center
The University of Texas at Austin
P.O. Box 7219
Austin, TX 78713-7219
P: 512-232-4614
www.hrc.utexas.edu







-
To unsubscribe from this list send an email to
imail...@museumpests.net and in the body put:
"unsubscribe pestlist"
Any problems email l...@zaks.com



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Re: [pestlist] IGRs

[Voron, Joel]

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---



I would start by doing an exterior foundation spray with A product called Fuse. 
That will knock out a lot. The trick is watching the forecast for a few days 
without rain. It can be sprayed on the outside (only)of the building up to 4 
times a year here in Virginia.You would have to check with your state laws 
first. Make sure to avoid air intakes when using this product as a perimeter 
exterior only treatment. We have had good success with this.

Sent from my iPhone

On Jun 27, 2016, at 10:31 AM, Alan P Van Dyke 
> wrote:

This is a message from the Museumpests.net  List.
To post to this list send it as an email to 
pestlist@museumpests.net
To unsubscribe look at the footer of this email.
---
Anything and everything?  We have a large number of odd beetles and book lice 
everywhere.  There are a few carpet beetles that pop up every now and then.  I 
also found some drugstore beetles on a public floor, and though they haven't 
made a reappearance, I don't trust that they are gone.  In the basement and on 
the public floors the usual assortment of roaches.  And silverfish in one 
little corner where some negatives are stored.

Alan


On Mon, Jun 27, 2016 at 9:12 AM, Voron, Joel 
> wrote:
This is a message from the Museumpests.net  List.
To post to this list send it as an email to 
pestlist@museumpests.net
To unsubscribe look at the footer of this email.
---

What is the target pest?


Joel Voron

Colonial Williamsburg Foundation

  Conservation Dept.

 Integrated Pest Management

  Office 757-220-7080

Cell 757-634-1175

  E-Mail jvo...@cwf.org





From: pestlist-ow...@museumpests.net 
> on 
behalf of Alan P Van Dyke >
Sent: Monday, June 27, 2016 9:40:18 AM
To: pestlist@museumpests.net
Subject: [pestlist] IGRs

This is a message from the Museumpests.net  List.
To post to this list send it as an email to 
pestlist@museumpests.net
To unsubscribe look at the footer of this email.
---

Hello PestList,

We've been approached by our campus IPM coordinator about using insect growth 
regulators within our building.  Being as that we are the home to not only a 
large collection of books and manuscripts, but photographs as well.  If we were 
just a regular library, I'd say to go for it, but we aren't.  What is the 
current thought on using IGRs in cultural institutions, especially those with 
chemically sensitive collections?

Thanks,

Alan Van Dyke

--
Alan P. Van Dyke
Preservation Staff
Harry Ransom Center
The University of Texas at Austin
P.O. Box 7219
Austin, TX 78713-7219
P: 512-232-4614
www.hrc.utexas.edu


-
To unsubscribe from this list send an email to
imail...@museumpests.net and in the body put:
"unsubscribe pestlist"
Any problems email l...@zaks.com




-
To unsubscribe from this list send an email to
imail...@museumpests.net and in the body put:
"unsubscribe pestlist"
Any problems email l...@zaks.com

Re: [pestlist] IGRs

[Alan P Van Dyke]

This is a message from the Museumpests.net  List.
To post to this list send it as an email to pestlist@museumpests.net
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---



Anything and everything?  We have a large number of odd beetles and book
lice everywhere.  There are a few carpet beetles that pop up every now and
then.  I also found some drugstore beetles on a public floor, and though
they haven't made a reappearance, I don't trust that they are gone.  In the
basement and on the public floors the usual assortment of roaches.  And
silverfish in one little corner where some negatives are stored.

Alan


On Mon, Jun 27, 2016 at 9:12 AM, Voron, Joel  wrote:

> This is a message from the Museumpests.net  List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> ---
>
> What is the target pest?
>
>
> *Joel Voron*
>
> *Colonial Williamsburg Foundation*
>
>   Conservation Dept.
>
>  Integrated Pest Management
>
>   Office 757-220-7080
>
> Cell 757-634-1175
>
>   E-Mail jvo...@cwf.org
>
>
>
>
> --
> *From:* pestlist-ow...@museumpests.net 
> on behalf of Alan P Van Dyke 
> *Sent:* Monday, June 27, 2016 9:40:18 AM
> *To:* pestlist@museumpests.net
> *Subject:* [pestlist] IGRs
>
> This is a message from the Museumpests.net  List.
> To post to this list send it as an email to pestlist@museumpests.net
> To unsubscribe look at the footer of this email.
> ---
>
> Hello PestList,
>
> We've been approached by our campus IPM coordinator about using insect
> growth regulators within our building.  Being as that we are the home to
> not only a large collection of books and manuscripts, but photographs as
> well.  If we were just a regular library, I'd say to go for it, but we
> aren't.  What is the current thought on using IGRs in cultural
> institutions, especially those with chemically sensitive collections?
>
> Thanks,
>
> Alan Van Dyke
>
> --
> Alan P. Van Dyke
> Preservation Staff
> Harry Ransom Center
> The University of Texas at Austin
> P.O. Box 7219
> Austin, TX 78713-7219
> P: 512-232-4614
> www.hrc.utexas.edu
>


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Re: [pestlist] IGRs

[Voron, Joel]

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What is the target pest?


Joel Voron

Colonial Williamsburg Foundation

  Conservation Dept.

 Integrated Pest Management

  Office 757-220-7080

Cell 757-634-1175

  E-Mail jvo...@cwf.org





From: pestlist-ow...@museumpests.net  on behalf 
of Alan P Van Dyke 
Sent: Monday, June 27, 2016 9:40:18 AM
To: pestlist@museumpests.net
Subject: [pestlist] IGRs

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Hello PestList,

We've been approached by our campus IPM coordinator about using insect growth 
regulators within our building.  Being as that we are the home to not only a 
large collection of books and manuscripts, but photographs as well.  If we were 
just a regular library, I'd say to go for it, but we aren't.  What is the 
current thought on using IGRs in cultural institutions, especially those with 
chemically sensitive collections?

Thanks,

Alan Van Dyke

--
Alan P. Van Dyke
Preservation Staff
Harry Ransom Center
The University of Texas at Austin
P.O. Box 7219
Austin, TX 78713-7219
P: 512-232-4614
www.hrc.utexas.edu

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