HomeGuideID RequestRecentFrassForumsDonateHelp

Clickable Guide

Calendar

Upcoming Events

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

National Moth Week was July 23-31, 2022! See moth submissions.

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

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

Previous events

TaxonomyBrowse

Info

ImagesLinksBooksData

Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles (Polyphaga) » Series Cucujiformia » Longhorn and Leaf Beetles (Chrysomeloidea) » Leaf Beetles (Chrysomelidae) » Case-bearing Leaf Beetles (Cryptocephalinae) » Cryptocephalini » Pachybrachina » Scriptured Leaf Beetles (Pachybrachis) » Pubescent Pachys (Pachybrachis Pubescent Pachys) » Pachybrachis marmoratus

Species Pachybrachis marmoratus

Classification · Synonyms and other taxonomic changes · Explanation of Names · Size · Range · Food · Remarks · See Also · Internet References · Works Cited

Pachybrachis marmoratus Jacoby - Pachybrachis marmoratus

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 (Longhorn and Leaf Beetles)

Family Chrysomelidae (Leaf Beetles)

Subfamily Cryptocephalinae (Case-bearing Leaf Beetles)

Tribe Cryptocephalini

Subtribe Pachybrachina

Genus Pachybrachis (Scriptured Leaf Beetles)

No Taxon (Pubescent Pachys)

Species marmoratus (Pachybrachis marmoratus)

Synonyms and other taxonomic changes

P. marmoratus Jacoby synonymized under P. analis (new synonymy) (1)

Explanation of Names

Pachybrachis marmoratus Jacoby 1889

Size

Length 2.9 to 4.2 mm (2)

Range

e. US to AZ / Mex. (2),(3)(1)

Food

several spmns recorded from Asteraceae (4)

Remarks

Type Locality: Pinos Altos, Chihuahua, Mex.

See Also

Very similar to xanti in nearly all respects, the differences being as follows:

Size a trifle smaller on the average, with the form rather less robust;

color pale flavo-testaceous, frontal and thoracic markings black and heavy as a rule, the latter varying to pale brown;

antennae with basal two joints blackish above, three to five mostly pale, following joints blackish;

body beneath frequently blackish in great part, but variable:

elytra varying from entirely pale to strongly marked with fuscous or black, the markings tending to form diffuse vittae following the lines of serial punctures;

interstitial punctuation of elytra somewhat finer and less dense than in xanti. (2)

Internet References

Type - MCZ, Harvard

Works Cited

1.	Definition and revision of pubescens species-group of NA Pachybrachis (Chrysomelidae), including descriptions of three n. spp. Barney, R.J. 2019. The Coleopterists Bulletin, 73(4): 1017-1048.

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.

4.	Host plants of leaf beetle species occurring in the United States and Canada Clark et al. 2004. Coleopterists Society, Special Publication no. 2, 476 pp.

Contributed by Mike Quinn on 17 August, 2014 - 8:59pm
Last updated 3 January, 2020 - 8:55am

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 © 2003-2023 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Printer Friendly Version