Tiny-beetle
Guides
Chaetocnema quadricollis
hibiscus flea beetle
Chaetocnema quadricollis is a minute flea beetle in the subfamily Galerucinae, tribe Alticini. Originally described from Florida in 1878, it occurs across North America and has been documented from numerous localities in Missouri. The species is strongly associated with Hibiscus species, particularly Hibiscus lasiocarpus (rose mallow), on which adults feed gregariously on foliage. It was previously recorded under the synonym C. decipiens in Missouri state records.
Crepidodera aereola
Crepidodera aereola is a species of flea beetle in the family Chrysomelidae, native to North America. As a member of the tribe Alticini, it possesses the enlarged hind femora characteristic of flea beetles, enabling jumping behavior. The species is among the smallest flea beetles in its region, with adults measuring approximately 1–1.6 mm in length. It has been documented feeding on plants in the genus Hibiscus.