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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) » Case-bearing Leaf Beetles (Cryptocephalinae) » Cryptocephalini » Pachybrachina » Scriptured Leaf Beetles (Pachybrachis) » Pachybrachis m-nigrum
Photo#21804
Cylindrical leaf beetle - Pachybrachis m-nigrum
Copyright © 2005 tom murray

Cylindrical leaf beetle - Pachybrachis m-nigrum
Petersham, Worcester County, Massachusetts, USA
June 23, 2005
Size: 4mm
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Contributed by tom murray on 25 June, 2005 - 10:17am
Last updated 16 March, 2023 - 8:45pm

Moved
Moved from Scriptured Leaf Beetles.
… Ed Riley, 23 April, 2012 - 3:46pm login or register to post comments

Looks like
Pachybrachis m-nigrum in Dillon
… john and jane balaban, 7 January, 2006 - 5:58pm login or register to post comments

 
Pachybrachis
Cedar Creek has a picture of Pachybrachis m-nigrum, and their picture looks different, but I will put this in the Pachybrachis guide page.
… tom murray, 7 January, 2006 - 7:31pm login or register to post comments

 
Three of the pictures at the
Three of the pictures at the link you give are Cryptocephalus and not Pachybrachis so I would not give much credit to the identifications unless someone has taken the time to actually key them out or sent them to a professional. I'll dig out my key to Pachybrachis and see what I can find. This one looks fairly easy if it is typically patterned for the species as a whole.
… John Randall Watts, 3 September, 2008 - 8:51am login or register to post comments

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