Neotropical Liebke, 1939 and Mateu, 1961 of the Cryptobatida group, subtribe Agrina: Taxonomic revisions with notes on their ways of life (Insecta, Coleoptera, Carabidae, Lebiini).

Liebke, 1939 and Mateu, 1961 of the Cryptobatida group, subtribe Agrina, Lebiini, living in the Neotropics are diagnosed, described, and illustrated. Occurrences of known species ranges are limited to the northern and western Amazon Basin and Guyana Shield. The following species are described as new: Erwin & Aldebron, , Suriname, Aldebron & Erwin, , French Guiana, Erwin & Aldebron, , Ecuador, Perú; Erwin & Aldebron, , French Guiana, Aldebron & Erwin, , Ecuador, and Aldebron & Erwin, , French Guiana. Two of these species, and are known from adults collected by insecticidal fogging of lowland rainforest trees, and these trees are listed in their respective descriptions. The following species are redescribed: Liebke, 1939, French Guiana, Venezuela; Mateu, 1961, Brazil; Mateu, 1961, Brazil.