Synonyms and other taxonomic changes
Anatis rathvoni (LeConte)
Orig. Comb: Myzia rathvoni LeConte
Explanation of Names
Patronym for Simon Snyder Rathvon
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")
Arboreal, especially pines and other conifers
Aphids, especially in trees; also caterpillars, sawfly larvae, and other soft-bodied insects.
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.
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