A climb-up pitfall trap for attracting and capturing bed bugs and the like comprises a rough exterior surface, a precipice, a smooth interior surface and sensory lures. The sensory lures include heat, carbon dioxide and/or a lure composition. The lure composition comprises a combination of (a) L-lactic acid, and (b) a fatty acid from the group consisting of (1) propionic acid, (2) butyric acid, and (3) valeric acid. The lure composition may also comprise (c) octenol. A method for attracting and capturing bed bugs and the like uses the climb-up pitfall trap in a bed bug infested environment.