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Poison Ivy Sawfly Larva

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10.068, -84.5188

Field Notes

Description:

Small beetle grub with a cherry head, found in the wild side of the garden in a unknown bush.

Species ID Suggestions

Comments (9)
Sckel
definitely sawfly
Gilma Jeannette Ospino Ferreira-Norman
Thank you so much, Jacob Gorneau. I had more pictures of this creature but when I checked them, none showed the prolegs.... : ( I will be taking better pictures now that I learned from this spotting.... : )
Jacob Gorneau
Gilma, the information you provided further asserts that this is a sawfly larva. As you can see in your spotting there are three black true legs right near the head. If this were a Coleoptera larva, there could be more true legs. The visible black eye on the red head also means this is a sawfly as Lepidopterans larvae often do not have eyes that are visible to the naked human eye. I also think I see the necessary at least six prolegs that are characteristic of sawfly larvae.
Gilma Jeannette Ospino Ferreira-Norman
Jacob Gorneau and LuisStevens, I do not have an ID for this spotting yet but I know that my spotting is a "Grub". I thought I share this information it is interesting... : ) Grubs: caterpillar-like larvae have six true legs, but lack any prolegs.(Coleoptera) Sawflies larvae: have, three pairs of true legs, SEVEN proleg pairs and a terminal clasper. (Hymenoptera) Butterflies and Moth, caterpillars: have, three pairs of true legs and no more than four or five pairs of abdominal prolegs and a clasper. (Lepidoptera)
LuisStevens
Great find Gilma! It looks like the larva of some beetle .

Spotted for Missions

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Butterflies & Moths of the World
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Paso Pacifico Survey
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El mini-mundo de Costa Rica
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National Geographic's Great Nature Project
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Life in Costa Rica
Photographed
PublishedSeptember 21, 2014

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