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Species Anatis rathvoni - Flying Saucer Lady Beetle

Lady Beetle Pupa - Anatis rathvoni Rathvon's Lady Beetle - Anatis rathvoni Anatis 8-08-11 01b - Anatis rathvoni Large lady beetle - Anatis rathvoni Rathvon's Lady Beetle - Anatis rathvoni Ladybug 13 Spots - Anatis rathvoni Flying Saucer Lady Beetle - Anatis rathvoni Rathvon lady beetle - Anatis rathvoni
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 Coccinelloidea
No Taxon (Coccinellid group)
Family Coccinellidae (Lady Beetles)
Subfamily Coccinellinae
Genus Anatis (Giant Lady Beetles)
Species rathvoni (Flying Saucer Lady Beetle)
Other Common Names
Rathvon's Lady Beetle
Synonyms and other taxonomic changes
Anatis rathvoni (LeConte)
Orig. Comb: Myzia rathvoni LeConte 1852
Explanation of Names
Patronym for Simon Snyder Rathvon (1812-1891)

Flying Saucer Lady Beetle (1)
Length 7.5 to 10.2 mm, width 6.5 to 9.0 mm (2)
Very angular shape, unlike any other North American lady beetle
Yellow to red-brown, darkening with age
Spots small, sometimes very faint; may have indistinct pale rings
Pronotum (between wings and head) black with white markings, which reach outer edge
Strongly explanate (helmet-shaped, with a flared "rim")
CA-AB-BC - Map (2)(1)
Arboreal, especially pines and other conifers
Aphids, especially in trees; also caterpillars, sawfly larvae, and other soft-bodied insects.
See Also
LeConte's Giant Lady Beetle, Anatis lecontei - elytra spotless and outlined with black; pronotum with black lateral border (white areas don't reach outer edge); range only overlaps in western Rockies, not reaching Pacific Coast.

Eye-spotted Ladybeetle, Anatis mali - Usually more spots, which are larger and have more distinct pale rings. Much different shape: rounded oval, not angular. Range only overlaps in northwestern US and southwestern Canada.
Print References
Gordon, 1985, especially pp. 756-757, figures 617-619 (2)
LeConte, J. L. 1852. Remarks upon the Coccinellidae of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia 6: 129-145. (p. 132)
Works Cited
1.Ladybugs of Alberta
John Acorn. 2007. University of Alberta Press, 169 pages.
2.The Coccinellidae (Coleoptera) of America North of Mexico
Robert D. Gordon. 1985. Journal of the New York Entomological Society, Vol. 93, No. 1.