So this morning i was outside looking at one of my
azaleas. I noticed a rust like illness across many of
the leaves. Upon closer examinition i noticed many
leaves were shriveling a little bit as if sunburnt but
it was obviously either a fungus or a but. So i
looked further. I noticed many of the leaves were
rolled and the sides were sealed with a "alien" type
goo. So i cut one open. To my suprise there were
many charcoal colored grayish/black tiny eggs in it.
And a little semi transparent yellow caterpiller/worm.
He was hard at work doing something. So i cut open a
few more same thing...... I spent about an hour till
i had to go to work cutting off the rolled up leaves,
and stomping on them. Then i had to go to work so im
sure i missed a few there were 50 or more that i cut
off so far. All filled with one yellow semi
transparent worm and a blackish gray loose mass of
tiny eggs. I then sprayed the tree with malathion
both under the leaves and on top and i hit the soil
with it. Does anyone have any idea what this bug is?
I picked it up at a garden center in boston and
noticed nothing wrong with it 3 days ago. In 3 days
these bugs have withered or killed about half of the
leaves.....


Ben

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SNIP


All filled with one yellow semi
transparent worm and a blackish gray loose mass of
tiny eggs. I then sprayed the tree with malathion
both under the leaves and on top and i hit the soil
with it. Does anyone have any idea what this bug is?
I picked it up at a garden center in boston and
noticed nothing wrong with it 3 days ago. In 3 days
these bugs have withered or killed about half of the
leaves.....

Those weren't eggs. It probably was worm poop.
Caterpillars/worms make cocoons of one kind or another then
metamorphose into moths or butterflies come spring (or later in
the summer, with some species). It is the moths and B'flies that
lay the eggs. Your "worms" were planning on using the rolled-up
leaf as a cocoon.

And you were doing fine hand picking them off. The Malathion
probably was overkill. I'm not sure it's even approved for
azaleas -- but it probably is.

Caterpillars seldom kill a plant, though they can uglify it quite
readily. These plants obviously came from the nursery already
infested, but hand picking was the order of the day.

Jim Lewis - - Tallahassee, FL - The phrase
'sustainable growth' is an oxymoron. - Stephen Viederman

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I couldn't find any moving on the trunks only in their
coccons they were about 8 mm long and had clearish
yellow boddies with legs, no stripes, no red heads.
I read about a lilac worm that does a similar
treatment to leaves brown spots like rusts leading to
dyring and curling up, they suggested picking them off
and then using diazinon. But my diazinon wasn't
rated for azalea and my maliation was so i used it.

Ben

Although i don't know what lilac worms would be doing
on an azalea.



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Although i don't know what lilac worms would be doing
on an azalea.

There are "azalea caterpillars" (though these don't sound like
the ones we have down here -- which are 2 inches long, hairy and
have red stripes). Then there are other caterpillars that aren't
so specific. Probably what you have.

Jim Lewis - - Tallahassee, FL - The phrase
'sustainable growth' is an oxymoron. - Stephen Viederman

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Yeah i saw a picture of one of those azalea cat's and
its definitely not what i have.

Ben

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http://ipm.ncsu.edu/urban/cropsci/c0.../azalpest.html


About half way down the page the azalea leaf borer. I
beleive thats what ive got.

Ben

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http://ipm.ncsu.edu/urban/cropsci/c0.../azalpest.html


About half way down the page the azalea leaf borer. I
beleive thats what ive got.

Leaf miner -- Yup. Sounds like it. Handpicking still is the
way to go. ;-)

That's a nice set of pages. I retreated a couple of levels to
the table of contents, then bookmarked the page. Others might
follow suit.

Thanks.

Jim Lewis - - Tallahassee, FL - The phrase
'sustainable growth' is an oxymoron. - Stephen Viederman

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