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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) » Striped Pachys (Pachybrachis Striped Pachys)

Striped Pachys

Cylindrical leaf beetle - Pachybrachis circumcinctus Chrysomelidae, lateral - Pachybrachis bivittatus Chrysomelidae, lateral - Pachybrachis Pachybrachis othonus (Say) - Pachybrachis othonus beetle, fascinating eyes - Pachybrachis vau Tubby striped beetle - Pachybrachis bivittatus Arizona Beetle for ID - Pachybrachis bivittatus Pachybrachis viduatus COMPLEX - Pachybrachis - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
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 Striped Pachys
Synonyms and other taxonomic changes
Group D - an artificial group of Pachybrachis spp. called out by Fall (1915), the last person to revise Pachybrachis. (1)
Identification
In typically marked forms the elytra are yellow or testaceous with the suture and two vittae on each being black. The outer vitta is more subject to reduction or disintegration than the inner stripe. (1)
Key p. 321 in source
Remarks
Spp. recognized by Fall (1915) as members of Group D:
(Starred species (*) are tabulated in more than one group)

nigricornis autolycus* (filed under Black Pachys)
bivittatus
circumcinctus
consimilis - orange pronotum, yellow-edged black elytra
dubiosus
litigiosus
othonus
pawnee
picturatus
sublimatus* - type is pale orange
umbraculatus - yellow with only faint stripes
vau
viduatus
virgatus
Print References
Fall, H.C. 1915. A revision of the North American species of Pachybrachys. Transactions of the American Entomological Society 41: 291-486. (1)
Riley, E.G. and R.J. Barney. 2015. Definition and revision of the viduatus species-group of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae). The Coleopterists Bulletin 69(1): 25–59. (2)
Works Cited
1.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 .
2.Definition and revision of the viduatus species-group of North American Pachybrachis Chevrolat (Chrysomelidae: Cryptocephalinae)
Riley, E.G. and R.J. Barney. 2015. The Coleopterists Bulletin 69(1): 25–59.
Contributed by Mike Quinn on 17 August, 2014 - 6:10pm
Additional contributions by Boris Bueche
Last updated 23 June, 2021 - 6:14am

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