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Unidentified Immature Stages

1080 Predaceous Diving Beetles (Dytiscidae) immature dytiscid larva Aquatic Predator Water insect Predaceous Diving Beetle, Family Dytiscidae Aquatic Larva Nymph of some kind ?
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Dytiscidae (Predaceous Diving Beetles)
No Taxon Unidentified Immature Stages
Identification
Let's collect here images of any ID'd larvae as a makeshift quick visual guide.
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See Also
Order Trichoptera: (Caddisflies)
Order Coleoptera: (Beetles)
Unidentified Beetle Eggs, Larvae & Pupae - Order Coleoptera - Beetles (Family unknown)
Series Staphyliniformia:
Unidentified Immature Stages - Family Hydrophilidae - Water Scavenger Beetles
Predaceous Diving Beetles:
Larvae - Genus Agabus
Larvae - Genus Ilybius
Larvae - Genus Dytiscus
Larvae - Genus Acilius
Larvae - Genus Cybister
Larvae - Genus Laccophilus