Abstract
New synonyms and new data are presented on Brachiacantha Dejean, 1837, species belonging to the dentipes group. Coccinella laevis Thunberg, 1781, nomen oblitum and Brachiacantha decora Casey, 1899, syn. nov. are recognized as synonyms of B. bistripustulata (Fabricius, 1801); B. dentipes americana Leng, 1911, syn. nov. is synonymized with B. dentipes (Fabricius, 1801); new Neotropical localities are included for B. barberi Gordon, 1985, B. quadrillum LeConte, 1858, B. subfasciata Mulsant, 1850, and B. tau LeConte, 1859. Brachiacantha erythrura Mulsant, 1850, is added to the dentipes group and redescribed, the male genitalia are illustrated and a map of the distribution of this species is provided. A key to all species of the group is included. New data about hosts and prey are added for B. bistripustulata and other species.
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