Identification Key
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| Mandibles very dilated and flat; head with a constricted neck and lace; maxillae with spiny lateral edges | Leistus | Mandibles never completely flat; head with or without a constricted neck; maxillae without spiny edges | 8 |
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| Mandibles very dilated and flat; head with a constricted neck and lace; maxillae with spiny lateral edges | Leistus | Mandibles never completely flat; head with or without a constricted neck; maxillae without spiny edges | 8 |