Synonyms and other taxonomic changes
Myzia LeConte, 1852 (in part)
First described in 1846 by Étienne Mulsant
6 species worldwide, with 4 species in North America:
Anatis labiculata Say 1824 (Coccinella)
Anatis lecontei Casey 1899 (Anatis)
Anatis mali Say 1825 (Coccinella)
Anatis rathvoni LeConte 1852 (Myzia)
Length 7.2 to 10.5 mm, width 5.5 to 9.0 mm.(1)
Gray, yellowish, red, or purple (darkening with age).
Pronotum (between wings and head) black with prominent white markings.
Oval or shield-shaped, sometimes with angular rather than rounded outline.
Strongly to weakly explanate
(helmet-shaped) in profile.
Patch of fine, short hairs at rear of each elytron (wing cover).
Antennae with 10 segments, terminating in triangular club.
Apex of middle and hind tibia each with 2 spurs.
Tarsal claw with large, subquadrate basal tooth.
Ontario to South Carolina, west to southern Alaska and New Mexico.
Usually arboreal (in trees) in forests and woods.
Mostly aphids, but also caterpillars and sawfly larvae, especially those in trees.
This genus contains the largest lady beetles in North America.
All species darken with age. The oldest individuals may appear to have no black spots because the base color is so dark.
Gordon, 1985, especially pp. 752-764, figures 614-625.(1)
McKenzie, H.L. 1936. An anatomical and systematic study of the genus Anatis of America. University of California Publications in Entomology 6(10): 263-272.