Frozen Emeraled Ash Boarer

[ReinkeFandS]

This last weekend took down a decent sized Ash and found these:


 


  

[sprucebunny]

Red ones is dead ones ???

[Jeff]

Not necessarily

Adult Description: The Emerald Ash Borer (Agrilus planipennis) are uniformly bright metallic emerald green, with the elytra usually appearing somewhat duller and slightly darker green. The overall greenish coloration may also have variable amounts of brassy, coppery or reddish reflections. A few rare specimens of Emerald Ash Borer are entirely coppery-red, blue-green, or green with blue elytra. Length: 10.0-13.0 mm. Emerald Ash Borer is somewhat larger in size and more brightly metallic green than most other U.S. Agrilus species.

The dorsal surface of the abdomen is bright coppery-red. This may only be visible if the elytra and wings are raised. This is the only Agrilus species found in North America in which the dorsal surface of the abdomen bright metallic red. This may be the simplest diagnostic character for separating Eastern Ash Borer from all other Agrilus species in North America. The dorsum of the abdomen is normally black, green or blue on all other North American species of Agrilus..

[ReinkeFandS]

Jeff, that is good information. I've only seen the bright metallic green ones, which doesn't mean much I don't see them very often. What I do see all the trees that they have left behind. These red ones where definitely dead ones though

[Clark]

As best I understand the issue they do not overwinter as an adult. They exist as non-adults (pupae? grubs? I don't know what the correct name is) under the bark of ash trees during the winter. So those could be EAB but at this point the life cycle has moved beyond those guys.

Now, if we want frozen EAB grubs, we need some -20º to -30ºF temps and then we are talking.

Clark

[ReinkeFandS]

Clark, we did have some -25 days locally where I'm at so hopefully there will be some die off this next season.

[beenthere]

R F&S
The tree does appear that it is dead, and if so, how long? 
The bark doesn't look like ash to me, but hard to tell in this pic.
And can't get a focus on any alternate branching.

[ReinkeFandS]

I thought the same thing about the bark and its near a black walnut grove. It's been dead for 2-3 years but the opposite branching and EAB inside its bark are why I say its ash

[Corley5]

They don't look like EAB to me.

[g_man]

They don't look like EAB to me.

I agree. They Have a very different shape. A little like a grass hopper head and thorax.

http://en.wikipedia.org/wiki/Emerald_ash_borer

[Phorester]

I think those beetles are the red flat bark beetle, Cucujus clavipes .  They don't kill trees, they get into trees already dead, or dead portions of live trees. They are certainly not EAB.  Interesting....this beetle also kills other beetles in the tree.

I agree with beenthere, from this picture of the tree it doesn't look like ash although it's hard to tell since the tree is so far away from the camera.  A closer picture of the bark and branches will help.

[square1]

They don't look like EAB to me.

X2, the segmented body, rounded head, large antennas, rounded abdomen are not EAB traits.  The galleries don't look like EAB either.

[Reddog]

Looks like a dead Green ash to me.
Seems the green ash may have made it a little longer than the white's. Now we are seeing them needing to be removed.