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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Elateriformia » Byrrhoidea » Riffle Beetles (Elmidae) » Elminae » Elmini » Stenelmis » Stenelmis sexlineata
Photo#444144
Stenelmis - Stenelmis sexlineata - male
Copyright © 2010 Brad Barnd

Stenelmis - Stenelmis sexlineata - Male
Hancock County, Indiana, USA
July 15, 2010
Size: 3.5 mm
First of three Stenelmis sp., attracted to blacklight. I'm thinking its S. sexlineata due to presence of three pale vitta on each elytron (the third is hard to see because they are on the lateral edge).

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Stenelmis - Stenelmis sexlineata - male Stenelmis - Stenelmis sexlineata - male
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Contributed by Brad Barnd on 19 August, 2010 - 2:10am
Last updated 2 February, 2013 - 12:20am

Moved
Moved from Stenelmis.
… Tim Loh, 19 August, 2010 - 4:13pm login or register to post comments

Stenelmis sexlineata Sanderson
It's so nice to see Stenelmis from light traps. Most Stenelmis I see in my line of work are encrusted with gunk.

I should add that there is a second Stenelmis species with three vittae per elytron that may be found in your area. S. douglasensis Sanderson is considered to be uncommon or rare and all records have been within a 150 mile radius of Lake Michigan. One key character for separating these species is the apparent lack of pronotal granules for S. douglasensis, but dense pronotal granulation for S. sexlineata. Your specimen's pronotum appears to have dense granulation.
… Brady Richards, 19 August, 2010 - 10:31am login or register to post comments

 
Thanks for the info
I checked the pronotum and it does have fairly dense granulation.
… Brad Barnd, 19 August, 2010 - 4:46pm login or register to post comments

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