Beetle ID?

[bonsaichile]

I found scores of these beetles in the soil in two of my maples. I believe they are attracted to the organic pellet fertilizer. I used a systemic and they are dying. Yet, I would like to know what they arw. Any ideas? Pics adults and larvae. Thanks!

 

[Cable]

Any pics that aren't blurry af?

 

[bonsaichile]

Here is a better one