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BugGuide Gathering
Pack Forest
Washington State
July 10-12, 2009
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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Beetles (Coleoptera) » Ground and Water Beetles (Adephaga) » Ground Beetles (Carabidae) » Tiger Beetles (Cicindelinae) » Flashy Tiger Beetles (Cicindelini)
Photo#267979
Tiger Beetle Larva
Copyright © 2009 Stephen Hart

Tiger Beetle Larva
Lake Mills, Olympic National Park, Clallam County, Washington, USA
April 21, 2009
Size: 18mm
I saw numerous tiger beetle larva holes in this location today, some small, some large.
I measured one with a grass stem to at least 20 cm depth, straight down. (Yes, cm.)
I photographed both Cicindela oregona and Cicindela depressula adults in the same location on the same day, and also larvae of at least two different sizes.

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Tiger Beetle Larva Tiger Beetle Larva Tiger Beetle Larva
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Contributed by Stephen Hart on 21 April, 2009 - 11:25pm
Last updated 17 October, 2009 - 11:52pm

Moved
Moved from Tiger Beetles.

I could be misinterpreting the abdominal hook pattern (no bigger version of this image?), but it looks to me like the typical pattern for Cicindela (s. lat.), with 2 pairs of hooks and the outer longer and curved.
… Ted C. MacRae, 17 October, 2009 - 11:52pm login or register to post comments

cool!
That's a weird looking larva! I think it could be Omus perhaps?
… Ben Coulter, 26 April, 2009 - 11:51pm login or register to post comments

 
Omus?
That would be great. I've never seen one, but apparently two speices, dejeani and audouini occur in the area. I'd love to confirm my fifth tiger beetle species for the park.

These larvae were right out in the sand, with the two Cicindela species running right by their holes. Note that this one is still pretty sandy, so the head doesn't look quite right.

I'll have to do some log and leaf litter lifting in this spot. I suppose I could even try to culture a larva, though it's pretty much dumb luck that I was able to scoop this one out.

I just posted another larva from last year at a different location:
… Stephen Hart, 27 April, 2009 - 8:24am login or register to post comments

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