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)Size
Length 7.5 to 10.2 mm, width 6.5 to 9.0 mm
(2)Identification
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")
Habitat
Arboreal, especially pines and other conifers
Food
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)