Ask a Question forum: Mystery grub

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Name: Martha Martinez
San Fernando (Zone 10a)
martham92
Apr 1, 2018 4:25 PM CST
I've found several of these grubs while gardening. Sometimes underneath my planters. What are they and should I be worried?
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Name: Sue
Ontario, Canada (Zone 4a)
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sooby
Apr 1, 2018 6:32 PM CST
They look like the larvae of Scarab beetles. It's not possible to identify which Scarab beetle species from a photograph, they would need to be examined under magnification, but these are typical of the "white grubs" that damage lawns.
Name: Carol
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ctcarol
Apr 1, 2018 7:35 PM CST
I agree
Name: Bill
Livonia MI (Zone 6a)
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BigBill
Apr 1, 2018 7:56 PM CST
Beetle larva, agreed. I agree
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Name: Greg Chrislip
Memphis, TN (Zone 7b)
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GregC
Apr 2, 2018 1:02 PM CST
You need to look at the rastral pattern (pattern of setae) on the back side to identify to genus or species.
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Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
Apr 2, 2018 1:06 PM CST
I just chuck 'em away from the garden. If they are the scarab beetles they help to remove dog poop...from dogs who visit the yard so they are a beneficial insect in my yard. If they were tiny they might be Japanese Beetles and I would...squash them like a bug.
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Name: Martha Martinez
San Fernando (Zone 10a)
martham92
May 3, 2018 2:11 PM CST
sooby said:They look like the larvae of Scarab beetles. It's not possible to identify which Scarab beetle species from a photograph, they would need to be examined under magnification, but these are typical of the "white grubs" that damage lawns.


Not a scarab beetle after all. It's a Jerusalem cricket larvae.
Name: Greg Chrislip
Memphis, TN (Zone 7b)
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GregC
May 3, 2018 2:38 PM CST
That is not a cricket larva. Jerusalem crickets "Hatchlings resemble miniature adults and may take nearly two years to develop, while individuals experiencing nutritional deficiencies or parasitic infections may take up to five years. "
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Protect Your Self From Coronavirus
Do: Wash your hands regularly for 20 seconds, with soap and water or alcohol-based hand rub ( must have a 60% alcohol). Cover your nose and mouth with a disposable tissue or flexed elbow when you cough or sneeze. Avoid close contact (2 meter or 6 feet) with people who are unwell
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[Last edited by GregC - May 3, 2018 2:46 PM (+)]
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Name: Philip Becker
Fresno California (Zone 8a)
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Philipwonel
May 3, 2018 2:44 PM CST
Look like a June bug larva to me.
Anything i say, could be misrepresented, or wrong.
Name: Martha Martinez
San Fernando (Zone 10a)
martham92
May 3, 2018 2:47 PM CST
GregC said:That is not a cricket larva. Jerusalem crickets "Hatchlings resemble miniature adults and may take nearly two years to develop, while individuals experiencing nutritional deficiencies or parasitic infections may take up to five years. "
https://arthurevans.wordpress....



We kept it in a container. Sort of like an ant farm and just yesterday the cricket was there, right at the top. Do you think it's possible we scooped up the cricket along with the dirt?

Name: Greg Chrislip
Memphis, TN (Zone 7b)
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GregC
May 3, 2018 2:48 PM CST
Too large. In our area, I'd say, Grape Pelidnota.
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Do: Wash your hands regularly for 20 seconds, with soap and water or alcohol-based hand rub ( must have a 60% alcohol). Cover your nose and mouth with a disposable tissue or flexed elbow when you cough or sneeze. Avoid close contact (2 meter or 6 feet) with people who are unwell
Stay home and self-isolate from others in the household if you feel unwell.

Name: Greg Chrislip
Memphis, TN (Zone 7b)
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GregC
May 3, 2018 6:34 PM CST
Yes, you must have scooped up both.
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Do: Wash your hands regularly for 20 seconds, with soap and water or alcohol-based hand rub ( must have a 60% alcohol). Cover your nose and mouth with a disposable tissue or flexed elbow when you cough or sneeze. Avoid close contact (2 meter or 6 feet) with people who are unwell
Stay home and self-isolate from others in the household if you feel unwell.

Name: greene
Savannah, GA (Sunset 28) (Zone 8b)
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greene
May 3, 2018 8:29 PM CST
martham92 said:
...the cricket was there, right at the top.


After you saw the cricket, did you look for the larva to see if it was still in the dirt?

Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"
Name: Kyle
Middle TN (Zone 7a)
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quercusnut
May 3, 2018 8:34 PM CST
Philipwonel said:Look like a June bug larva to me.


I agree

Name: Martha Martinez
San Fernando (Zone 10a)
martham92
May 3, 2018 11:02 PM CST
greene said:

After you saw the cricket, did you look for the larva to see if it was still in the dirt?



I didn't exactly look for it, but I took the dirt out and reused it for seed germination and there was no more work, thats why I just asked it was a Jerusalem cricket

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