Scarab Beetle Grubs, NOT Periodical Cicadas

Subject:  Cicada???
Geographic location of the bug:  Delaware April 6
Date: 04/08/2021
Time: 10:44 AM EDT
Your letter to the bugman:  Can you tell me what this is?
How you want your letter signed:  Robin

Scarab Grub

Our Auto-response: Thank you for submitting your identification request.
Please understand that we have a very small staff that does this as a labor of love. We cannot answer all submissions (not by a long shot). But we’ll do the best we can!

Please help me.  I am trying to get this Id so I can send to local paper who wants it if it is a cicada.
Enjoy Life,
Robin Coventry

Scarab Grubs

Dear Robin,
We suspect your urgent identification request is related to the imminent appearance of the Brood X Periodical Cicadas, sometimes called 17-Year Locusts though they are not true locusts.  CicadaMania has information on Brood X which last appeared in 2004, when we were but a fledgeling website.  These are not immature Cicadas.  You did not indicate where they were located.  These are Beetle Grubs.  We suspect they may have been found in or near a rotting stump and we believe, due to their size, that they may be the Grubs of Eastern Hercules Beetles.  Here is an image from BugGuide of Eastern Hercules Beetle Grubs.  The adult male Hercules Beetle is an impressive creature, the heaviest North American Beetle.

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