Acorn weevil - Curculionidae: genus Curculio, (Iowa, USA). These odd-looking beetles use their elongated snouts to bore into acorns and other nuts to excavate safe spaces for their eggs.
Leaf beetle, Chrysomelidae, from Costa Rica.
Longhorn beetle, (Cerambycidae, Lamiinae, Acanthoderini, possibly Macronemus asperulus) from Monteverde, Costa Rica.
