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Review of the New World Species of Hippodamia Dejean (Coleoptera: Coccinellidae)
By Edward A. Chapin
Smithsonian Miscellaneous Collection, vol. 106 no. 11, 1946
Cite: 334822 with citation markup [cite:334822]
With 246 figures, this 1946 publication is still the visual reference for North American Hippodamia. (Gordon(1) and American Beetles both refer the reader to it for more comprehensive illustrations than their publications provide.) A wide range of dorsal patterns for each species is illustrated, along with the male genitalia.

Range maps are limited in scope, but accurately depict type localities. Species names match modern taxonomy, but subspecies are outdated. The non-native species H. variegata is not included because it was not yet introduced.

Errata:

Figure 81, which Chapin believed to be Hippodamia apicalis without a dark apical suture (a variation that does not occur), is in fact H. parenthesis (per Gordon 1985, who examined the same specimen that Chapin illustrated).

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