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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Elateriformia » Elateroidea » Glowworm Beetles (Phengodidae) » Phengodini » Phengodes » Phengodes plumosa
Photo#1544312
railroad-worm - Phengodes plumosa
Copyright © 2018 Larry Reis

railroad-worm - Phengodes plumosa
Decorah, Winneshiek County, Iowa, USA
June 26, 2018
Size: 3 cm
A friend found this glow-worm crawling on the ground in her yard last night. It appears to be the larva of Phengodes plumosa, but since I've never seen one before, I'd like the ID confirmed. This is a way-cool bug!

Images of this individual: tag all
railroad-worm - Phengodes plumosa railroad-worm - Phengodes plumosa
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Contributed by Larry Reis on 26 June, 2018 - 9:43am
Last updated 30 March, 2019 - 6:37pm

Moved tentatively...
Moved from Beetles.
… Hisserdude, 30 March, 2019 - 6:37pm login or register to post comments

 
Phengodes plumosa
Thanks so much for moving this glowworm to Phengodes plumosa, Hisserdude!I didn't realize that I had forgotten to move it after Steven had mentioned it was likely an adult female.
… Larry Reis, 30 March, 2019 - 7:25pm login or register to post comments

 
No problem!!
Happy to help! :)
… Hisserdude, 31 March, 2019 - 1:18am login or register to post comments

Likely an adult female
Females are larviform and washed out in a yellowish color, and will have a semicircular slit underneath the last segment
… Steven Wang, 5 July, 2018 - 9:17pm login or register to post comments

 
Phengodes plumosa female
Thanks so much for your input, Steven! That is very interesting that the female and larva form look so similar!
… Larry Reis, 6 July, 2018 - 7:32pm login or register to post comments

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