Bug Pics & ID forum: Can you Identify this Beetle?

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ImageZanymuse
Aug 5, 2015 11:16 PM CST
Name: Brenda Essig
Rio Dell, CA
This beetle showed up on my porch. I have never seen anything like it before. He flew in but seems to be dying. I think he may have flown in from one of the wildfire areas to the east of me.Thumb of 2015-08-06/Zanymuse/fab4ef
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ImageJRsbugs
Aug 6, 2015 5:11 AM CST
Name: Janet
Near Lincoln UK
Hi Brenda! Smiling

It's in the family Scarabaeidae, I recognised the form which is much like one we have, a Cockchafer called Melolontha melolontha.

This is Polyphylla decemlineata - Ten-lined June Beetle.

http://bugguide.net/node/view/23563

Those club-like antennae will open up into fingers ..

http://bugguide.net/node/view/300639/bgimage
ImageZanymuse
Aug 6, 2015 9:34 AM CST
Name: Brenda Essig
Rio Dell, CA
Thank you so much for the identification.

I am glad that I have not seen this creature before and hope that his presence is not a precursor to it becoming a threat to the forests and orchards in this area since they can kill trees. The wild fires have landed a lot of ash into my area and with that I am seeing unusual insects and birds.
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ImageZanymuse
Aug 6, 2015 9:50 AM CST
Name: Brenda Essig
Rio Dell, CA
This is another unknown that showed up with the ash. It flew away so fast I couldn't get a better picture.Thumb of 2015-08-06/Zanymuse/c8d3ae
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ImageJRsbugs
Aug 6, 2015 12:54 PM CST
Name: Janet
Near Lincoln UK
It looks like a Common Whitetail Skimmer male ..

http://www.njodes.com/Speciesaccts/skimmers/whit-comm.asp

Chafer beetles can spend up to 4 years in the ground, they do feed on roots but unless there's a lot of them I doubt much damage would be caused to established trees. They can damage strawberry plants. Scary things when they bomb you at night when attracted to light, but harmless.

http://jenny.tfrec.wsu.edu/opm/displayspecies.php?pn=640

ImageZanymuse
Aug 6, 2015 1:26 PM CST
Name: Brenda Essig
Rio Dell, CA
Thanks Janet. Thumbs up I think you are correct again on the skimmer. We have thousands of dragonflies and Damsel flies here. This fellows flight seemed a lot different and he didn't have the long tail and shape I am accustomed to seeing.

Polyphylla decemlineata does not appear to be a threat to our redwood forests but looks like he could cause problems for the strawberry farms and the apple orchards. I am hoping he was just an evacuee from the fires since he seemed to be dying by the time I saw him and could no longer fly. He did manage to hiss at me though.

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