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Species Pachybrachis spumarius

beetle - Pachybrachis spumarius beetle - Pachybrachis spumarius Pachybrachis spumarius Suffrian - Pachybrachis spumarius Case Bearer - Pachybrachis spumarius - male Case Bearer - Pachybrachis spumarius - male Pachybrachis spumarius Pachybrachis spumarius Suffrian - Pachybrachis spumarius Pachybrachis spumarius Suffrian - Pachybrachis spumarius
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)
Species spumarius (Pachybrachis spumarius)
Explanation of Names
Pachybrachis spumarius Suffrian 1852
spuma (L). 'foam' (1)
Size
Length 2.4-3.5 mm (2)
Identification
Yellow with close, brown, rust or black punctures and spots. Head rusty or black, closely punctate, inner margins of upper eye lobes bordered with yellow; ocular lines absent. Pronotum strongly punctate, lateral margins varying from punctate to impunctate; rusty to black with some smooth yellow spots. Elytra densely confusedly punctate, either with 1 or 2 distinct, partially oblique discal costae, or smoother. Pygidium brown or black with 2 oval yellow subapical, and paired smaller lateral spots. Venter varying from brown to black, 5th abdominal segment greatly yellowish. Legs brown or black with apexes of femora yellow. (2)
Range
e NA to s. TX (TX-FL-QC-SD) - Map (3)(4)(5)(6),
the most commonly coll'ed sp. in Alabama (2), and the second most commonly collected species in eastern Canada and can often be found in large series on Rhus spp. (4)
Season
May-Sept (in AL) (2)
Food
Recorded from a wide variety of plants (7)
Print References
Barney, R.J. 2017. Definition and revision of the Spumarius Species-Group of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae). The Coleopterists Bulletin 71(3): 449-460. (5)
Works Cited
1.Dictionary of Word Roots and Combining Forms
Donald J. Borror. 1960. Mayfield Publishing Company.
2.The leaf beetles of Alabama
Edward Balsbaugh and Kirby Hays. 1972. Agricultural Experiment Station, Auburn University.
3.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.
4.Pachybrachis (Coleoptera, Chrysomelidae, Cryptocephalinae) of eastern Canada
Barney et al. 2013. ZooKeys 332: 95–175.
5.Definition and revision of spumarius species-group of North American Pachybrachis Chevrolat (Chrysomelidae: Cryptocephalinae)
Barney, R.J. 2017. The Coleopterists Bulletin 71(3): 449-460.
6.Global Biodiversity Information Facility (GBIF)
7.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.