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Photo#561225
Hippodamia apicalis/expurgata? - Hippodamia

Hippodamia apicalis/expurgata? - Hippodamia
Arvada, Jefferson County, Colorado, USA
August 11, 2011
EDITED TO ADD: At first I thought this was H. parenthesis. But after browsing the genus, I came across this photo that looks remarkably similar to my layman's eye:
Could this be Hippodamia apicalis or expurgata? Being east of the Rockies, shouldn't it be H. expurgata?

------------- Former post
I think that this is a Parenthesis ladybeetle. They have become increasingly common in the garden at Applewood in Arvada. I have only found them on Cosmos bipinnatus.
This one looks almost tricolor, and the nearly heart-shaped pattern struck me as interesting.

Moved
Moved from Hippodamia.

Moved
Moved from Lady Beetles.

yes, H. apicalis/expurgata - can't tell which
Unfortunately, both spp. occur east of the Rockies in Colorado; at least from the range maps currently available, H. expurgata is only alone in its east-of-the-Rockies range in California and Arizona. I wish I could get closer than that! Very striking beetle, nice find!

Moved for expert attention
Moved from ID Request.

Must be a good year for them.
Must be a good year for them. I've found about five this year after only having come across one in the past few years.

 
Actually...
I'm not entirely sure that this individual is H. parenthesis anymore- but you're right, I think it is a good year for the Parenthesis ladies! Found 6 just this morning out on the cosmos.

 
Hippodamia apicalis/expurgata
Abigail's comment on the thumbnail you linked is correct, the black vitta meeting at the suture apically tells that this is not H. parenthesis, but rather part of the H. apicalis/expurgata complex. I'm not sure your location can separate these by range alone. Abigail will tell you for sure.

On second thought...

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