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

National Moth Week photos of insects and people. Here's how to add your images.

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

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

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Pachybrachis pinguescens

Pachybrachis pinguescens Fall - Pachybrachis pinguescens
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Cryptocephalinae (Case-bearing Leaf Beetles)
Tribe Cryptocephalini
Subtribe Pachybrachina
Genus Pachybrachis (Scriptured Leaf Beetles)
No Taxon (Black Pachys)
Species pinguescens (Pachybrachis pinguescens)
Explanation of Names
Pachybrachis pinguescens Fall, 1915
pinguescens - Latin for 'slightly fat' (1)
Size
Length 3 5 to 4 mm (2)
Identification
Closely allied to californicus differing only as follows: Size larger, a little stouter, prothorax similarly strongly rounded in the male and distinctly more inflated in the female than in californicus, widest nearly at the middle in the female; type front less evidently impressed along the median line; antennae a little more slender. the tenth joint about four times as long as wide in the male; prothorax more finely and less closely punctate; front claws of male even more strongly enlarged. (2)
Range
CA-AZ (3)
Print References
Fall, H.C. 1915. A revision of the North American species of Pachybrachys. Transactions of the American Entomological Society 41: 291-486. (2)
Internet References
Type - MCZ, Harvard
Works Cited
1.Dictionary of Word Roots and Combining Forms
Donald J. Borror. 1960. Mayfield Publishing Company.
2.A revision of the North American species of Pachybrachys
H. C. Fall. 1915. Transactions of the American Entomological Society, Vol. 41, No. 3: 291–486 .
3.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.