Hi everyone,

I've recently noticed a cocoon type structure on a large adult Picea
Pungens and now on my new Pinus Densiflora. The cocoon seems to be
made of old and or dead needles and hangs down from the banch. It
looks rather scruffy and strange not very uniform and basically looks
like glued together needles.

Initially I passed it off as some kind of natural function of the
Picea Pungens, but this morning I noticed an identical cocoon on my
Densiflora? They are attached to the underside of the branch and might
be tapped into the sap?

Does anyone have any idea what this might be? Is it threatening to the
health of the trees?

I think it might be some kind of moth or butterfly but there are so
many, and I know so little about them that Google can't even help me.

thanks,
-Ethan

--
Ethan Smith, Columbus, Ohio
USDA Zone 6, Sunset 35 & 41
but wait around, it may feel more like zone 2 or even 9?

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Thyrirlopteryx ephemeraeformis--Bags worms--cut them off and squash them. They like to eat things. ):-)

Cordially,

Michael Persiano
members.aol.com/iasnob

-----Original Message-----
From: Ethan Smith
To:
Sent: Thu, 1 Sep 2005 08:17:53 -0400
Subject: [IBC] CoCoon on Spruce and Pine?


Hi everyone,

I've recently noticed a cocoon type structure on a large adult Picea
Pungens and now on my new Pinus Densiflora. The cocoon seems to be
made of old and or dead needles and hangs down from the banch. It
looks rather scruffy and strange not very uniform and basically looks
like glued together needles.

Initially I passed it off as some kind of natural function of the
Picea Pungens, but this morning I noticed an identical cocoon on my
Densiflora? They are attached to the underside of the branch and might
be tapped into the sap?

Does anyone have any idea what this might be? Is it threatening to the
health of the trees?

I think it might be some kind of moth or butterfly but there are so
many, and I know so little about them that Google can't even help me.

thanks,
-Ethan

--
Ethan Smith, Columbus, Ohio
USDA Zone 6, Sunset 35 & 41
but wait around, it may feel more like zone 2 or even 9?

************************************************** ******************************
++++Sponsored, in part, by Kevin Bailey++++
************************************************** ******************************
-- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ --
+++++ Questions? Help? e-mail +++++

************************************************** ******************************
++++Sponsored, in part, by Kevin Bailey++++
************************************************** ******************************
-- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ --
+++++ Questions? Help? e-mail +++++

Ethan Smith wrote:
Hi everyone,

I've recently noticed a cocoon type structure on a large adult Picea
Pungens and now on my new Pinus Densiflora. The cocoon seems to be
made of old and or dead needles and hangs down from the banch. It
looks rather scruffy and strange not very uniform and basically looks
like glued together needles.

Initially I passed it off as some kind of natural function of the
Picea Pungens, but this morning I noticed an identical cocoon on my
Densiflora? They are attached to the underside of the branch and might
be tapped into the sap?

Does anyone have any idea what this might be? Is it threatening to the
health of the trees?

I think it might be some kind of moth or butterfly but there are so
many, and I know so little about them that Google can't even help me.

thanks,
-Ethan

Those are bagworms. Left alone, and if there are enough of
them, they'll defoliate your tree. Pull the cocoon off,
then step on it.

I haven't seen any here this year, so if you are handy with
a digital camera, take a picture and post it on the
"Pests-Let's see yours" threa in the "Not Necessarily
Bonsai" forum in our galleries. We are getting a huge
rogues' (and heros') gallery on insect/diseases there.

zzw2

************************************************** ******************************
++++Sponsored, in part, by Kevin Bailey++++
************************************************** ******************************
-- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ --
+++++ Questions? Help? e-mail +++++

It sounds like a bagworm.