Synonyms and other taxonomic changes
Coccinella johnsoni now considered a junior synonym of C. californica
12 species in North America:
early couplet in Gordon's key separates spp. into those w/ a thin darkened suture and those w/o such (2)
Elytral suture very narrowly black, at least apically:
Herbst - white betw. eyes
Crotch - scattered w. NA records
Brown - c. CA, n. UT, sw. AB
Coccinella johnsoni Casey - restricted to coastal strip, CA to AK
Mannerheim - restricted to coastal strip, CA to WA
Throughout North America, Holarctic
Aphids and other small, soft-bodied insects.
Brown, W.J. 1962. A revision of the forms of Coccinella L. occurring in America north of Mexico (Coleoptera: Coccinellidae). Canadian Entomologist 94: 785–808.
Gordon, 1985, esp. pp. 783-,816 figures 639-661.(2)
Gordon and Vandenberg, larval key(3)
Systema naturae, 10th ed., v.1, p.364
- Linnaeus' original description of the genus.