Comments for Black Beetle (Broad-necked Root Borer)

Comments for
Black Beetle (Broad-necked Root Borer)

Broad-necked root borer
by: Moni

Alex
Not sure what insect you had that fed on your hostas. I could not find any reference that broad-necked root borers touched hosta. Send photo next time you see something on your hosta, so we can see what it is.

root borer
by: Alex

I had these and they destroyed my hosta's.

Thanks very much
by: ksb

Thank you for the ID. Poking around on the internet for more info on the BNRB suggests that I may have seen the adult larvae in past years - a really gross large larvae almost the length of your pinkie. So big that you are hesitant to pop it. Ick! I shall have to look into some way to treat these as I have many old trees in the back garden.
Thanks again.

Broad-necked Root Borer
by: Moni

From your clear description, tho the photo is not at a good angle nor very clear, I think your beetle might be a Broad-necked Root Borer. If so this is a longhorned beetle, family Cerambycidae.
This beetle can be found in the northeastern US, as well as then west to Minnesota down to Oklahoma and to Florida.
The adults of this beetle feed on foliage of fruit trees and grapes. Larva feed on the roots of those plants.
The projection out the back is probably the ovipositor of a female beetle.

Here are some photos of this root borer...see if it looks like what you found and let me know!
http://bugguide.net/node/view/14273/bgimage

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Comments for
Black Beetle (Broad-necked Root Borer)