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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Longhorn and Leaf Beetles (Chrysomeloidea) » Leaf Beetles (Chrysomelidae) » Chrysomelinae » Chrysomelini » Doryphorina » Leptinotarsa » False Potato Beetle (Leptinotarsa juncta)
Photo#864986
Potato Beetle - Leptinotarsa juncta
Copyright © 2013 Tim Turner

Potato Beetle - Leptinotarsa juncta
Beavercreek, Greene County, Ohio, USA
June 30, 2013
Photographed on 'Kennebec' Potato. Is this Leptinotarsa juncta (False Potato Beetle) or L. decemlineata (Colorado Potato Beetle)?

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Potato Beetle - Leptinotarsa juncta Potato Beetle - Leptinotarsa juncta Potato Beetle - Leptinotarsa juncta
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Contributed by Tim Turner on 11 November, 2013 - 5:24pm
Last updated 11 November, 2013 - 7:10pm

Moved
This is juncta, but the most reliable character are the punctures along the edges of the black stripe: singe row in juncta; multiples in decimlineata.

Moved from Leaf Beetles.
… Blaine Mathison, 11 November, 2013 - 7:10pm login or register to post comments

 
Thank you
for the ID confirmation and the most reliable reason for it, Blaine.
… Tim Turner, 11 November, 2013 - 7:21pm login or register to post comments

It is L. juncta. The other i
It is L. juncta. The other is more "orangy.'
… Rich Kelly, 11 November, 2013 - 5:42pm login or register to post comments

 
Thank you
for the ID, Rich. I suspected that ID (due to the brown lines on the inner edges of the elytra) but lacked confidence.
… Tim Turner, 11 November, 2013 - 5:48pm login or register to post comments

 
This one has 4 black lines on
This one has 4 black lines on each elytron. I think the one that opens and comes back together only counts as one line. The other species has 5 lines, and that is how it gets its scientific name (times 2 elytrons).
… Rich Kelly, 11 November, 2013 - 5:52pm login or register to post comments

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