Anacaena lutescens form A Anacaena lutescens form B Cercyon fimbriatus form A Cercyon fimbriatus form B Cercyon haemorrhoidalis form A Cercyon haemorrhoidalis form B Cercyon unipunctatus form A Cercyon unipunctatus form B Cryptopleurum minutum form A Cryptopleurum minutum form B Cymbiodyta acuminata form A Cymbiodyta acuminata form B Cymbiodyta vindicata form A Cymbiodyta vindicata form B Enochrus fimbriatus lower on pin Enochrus fimbriatus upper on pin Enochrus hamiltoni form A Enochrus hamiltoni form B Enochrus hamiltoni form C Helophorus auricollis female Helophorus columbianus female Helophorus columbianus male Helophorus fenderi female Helophorus inflectus female Paratype Helophorus inflectus male Paratype Helophorus lacustris form A Helophorus lacustris form B Helophorus nitiduloides form A Helophorus nitiduloides form B Helophorus oblongus female Helophorus orientalis female Hydrobius fuscipes form A Hydrobius fuscipes form B Laccobius borealis female Laccobius cinereus columbianus Paracymus tarsalis female Tropisternus blatchleyi modestus Tropisternus lateralis humeralis Tropisternus lateralis limbalis female Tropisternus lateralis limbalis male Tropisternus lateralis nimbatus