Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Registration is open for the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29


Previous events
TaxonomyBrowseInfoImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Adephaga » Ground Beetles (Carabidae) » Scaritinae » Pasimachini » Pasimachus » depressus group (Pasimachus depressus group) » Pasimachus elongatus
Photo#271609
blue-margined ground beetle - Pasimachus elongatus
Copyright © 2009 Andrew Williams

blue-margined ground beetle - Pasimachus elongatus
Lakewood, Jefferson County, Colorado, USA
May 27, 2007

Images of this individual: tag all
blue-margined ground beetle - Pasimachus elongatus blue-margined ground beetle - Pasimachus elongatus
tag · login or register to post comments
Contributed by Andrew Williams on 2 May, 2009 - 2:31pm
Last updated 10 August, 2009 - 1:30pm

At least 4 species of Pasimachus
known in CO. Of these: P. californicus if > 29 mm body length, P. duplicatus if defined elytral striae (not visble in image). Assuming smaller than 29 mm, I favor P. elongatus because image appears to show hint (?) of bluish margins vs blackish margins in similar P. obsoletus. Please cite body length (mm) in future photo submissions.
… Peter W. Messer, 2 May, 2009 - 3:41pm login or register to post comments

 
beetle notes
Hi Peter,
Thanks for weighing in on it. Unfortunately back then I wasn't measuring anything, and only learned to this year. Back then just trying to keep them still long enough to get a couple photos was a chore. It definitely had bright blue margins, and the elytra are pretty smooth and glossy.
… Andrew Williams, 2 May, 2009 - 4:13pm login or register to post comments

 
Pasimachus elongatus
based on your comments.
… Peter W. Messer, 2 May, 2009 - 6:43pm login or register to post comments

 
thanks
Thanks for the ID help. Much appreciated.
… Andrew Williams, 2 May, 2009 - 8:59pm login or register to post comments

Comment viewing options
Select your preferred way to display the comments and click 'Save settings' to activate your changes.

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2024 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo

Printer Friendly Version 		Terms of Use
Privacy Statement
Site Map
Contact