Ask a Question forum: Mystery grub

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Name: Martha Martinez
San Fernando (Zone 10a)
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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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
Santa Ana, ca
Sunset zone 22, USDA zone 10 A.
Charter ATP Member Hummingbirder Lover of wildlife (Black bear badge) Orchids Region: California Plant Identifier
Apr 1, 2018 7:35 PM CST
I agree
Name: Bill
Livonia, Michigan (Zone 6b)
Enjoying the 4 seasons once again!
Region: United States of America Echinacea Hostas Clematis Region: Michigan Adeniums
Butterflies Lover of wildlife (Raccoon badge) Orchids Cat Lover Birds Dahlias
Apr 1, 2018 7:56 PM CST
Beetle larva, agreed. I agree
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Name: Greg Chrislip
Lawrence, KS (Zone 6a)
Sempervivums Cactus and Succulents Bookworm Cat Lover
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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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.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"

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