Identification Key
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| Elytra noticeably abbreviated at apex so that part of the abdomen is visible; eyes tiny, rudimentary; very small species (on the seashore) | Aepus | Elytra not abbreviated at apex; eyes larger, not rudimentary | 55 |
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| Elytra noticeably abbreviated at apex so that part of the abdomen is visible; eyes tiny, rudimentary; very small species (on the seashore) | Aepus | Elytra not abbreviated at apex; eyes larger, not rudimentary | 55 |