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Basalis group

Cryptocephalus b. binominis Newman - Cryptocephalus binominis Cryptocephalus notatus ? - Cryptocephalus notatus - female Beetle 2011.04.28.2089 - Cryptocephalus quadruplex Cryptocephalus notatus Cryptocephalus - Cryptocephalus pubicollis Cryptocephalus quadruplex - female Cryptocephalus pinicolus Schaeffer - Cryptocephalus pinicolus Cryptocephalus notatus
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 Cryptocephalina
Genus Cryptocephalus
No Taxon Basalis group
Numbers
10 spp. (basalis, binominis, lunatus, mucoreus, multisignatus, notatus, pinicolus, pubicollis, pubiventris, quadruplex)(1)
Range
Across NA but not reaching the Pacific seaboard(1)(2):
two spp. (C. notatus & C. quadruplex) occur across most of the US and adjacent Canada, except the West Coast, NV and AZ
one se. species (C. binominis DC-TN-FL-OK)
one species roughly restricted to southern central states (C. mucoreus IN-KY-MO-TX)
6 southwestern spp., including:
    – 3 AZ endemics (C. multisignatus, C. pubicollis, & C. pubiventris)
    – one TX endemic (C. lunatus)
    – C. basalis TX, AZ; Mexico
    – C. pinicolus TX-CA-UT
Remarks
C. basalis and C. mucoreus are the only pubescent species in NA
Works Cited
1.A review of the genus Cryptocephalus in America north of Mexico (Chrysomelidae: Coleoptera).
White, R.E. 1968. USNM Bulletin 290. 124 pp.
2.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.