FIGURE 1. Hydrocanthus species dorsal view. a in On Hydrocanthus Say, 1823 (Coleoptera: Noteridae): description of a new species, two new synonyms and a key to Brazilian species

FIGURE 1. Hydrocanthus species dorsal view. a) Hydrocanthus ancus, b) Hydrocanthus debilis, c) Hydrocanthus guignoti, d) Hydrocanthus levigatus, e) Hydrocanthus marmoratus, f) Hydrocanthus paraguayensis male, g) Hydrocanthus paraguayensis female, h) Hydrocanthus sharpi, i) Hydrocanthus socius, j) Hydrocanthus zimmermanni sp. nov. male, k) Hydrocanthus zimmermanni sp. nov. female. Scale bar = 1 mm.