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Photo#352513
Long silvery antlike bug

Long silvery antlike bug
Menlo Park, San Mateo County, California, USA
November 14, 2009
Size: ~1"
Wondering what creature this might be and what characteristics it has for infestation, mode of entry, whether it's larval, etc.

Thanks!

Agulla
Agulla

Moved
Moved from Snakeflies.

Moved
Moved from ID Request.

Snakefly larva
Larva of a snakefly. They are predators, and highly beneficial in controlling bark beetles and other forest pests.

 
I second Eric's comments!
Snakeflies are harmless to humans...and even indirectly beneficial. Moreover, once you've observed them for awhile, you may even find they have a rather endearing personality! :-)

I have never seen or heard of snakeflies or their larvae occurring in large numbers. I've always seen solitary individuals, like in your photo. I'd be surprised if they ever occur in concentrations that one might consider an infestation. (But perhaps it could occur if one had wood being consumed by an infestation of their prey.)

In you'd like to know more about them, check out their BugGuide Info page.

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