• balk, camber, open furrow
• black-beetle, cockroach, roach
• black of the eye, pupil
• caution, freak, libertine, odd fish, oddball, queer cove, queer fish, specimen
• scavenger-beetle, sexton-beetle
• elater, skipjack, snapping beetle, snapping jack
• colorado beetle, potato beetle
• firebug, firefly, glowworm