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Photo Gallery: Aquatic Critters (Found In or Near Water)
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Black Flies (their larvae are aquatic)
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Example of a Giant Casemaker Caddisfly (Oligostomis ocelligera) (Orono, ME; 5/19/2022) (Photo credit: courtesy of Edward S. Grew)
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Damselfly
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Deer Fly (their larvae are aquatic)
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Deer Flies (additional examples)
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Dobsonfly larva
(also called a Hellgrammite)
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Dobsonflies (their larvae are aquatic)
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A male dobsonfly; Orono, ME (07/17/2018).
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Ventral view of the specimen shown at left
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Male dobsonfly
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Female dobsonfly
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Dragonflies (the nymphs are aquatic)
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Autumn Meadowhawk (dragonfly)
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Fawn Darner (dragonfly) (Boyeria vinosa) (Etna, ME; 5/19/2022)
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Drain Fly (found around sewage or other wet areas)
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Fishfly adult (their larvae are aquatic)
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Fishfly adult (July 16th, 2016; central Maine)
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Fishfly adult (July 16th, 2016; central Maine)
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Fishfly adult
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Giant Water Bug (“Toe-biter”)
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Giant Water Bug (“Toe-biter”)
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Giant Water Bug (“Toe-biter”)
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Giant Water Bug (“Toe-biter”)
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Giant Water Bug (“Toe-biter”)
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Horse Fly
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Horse Fly
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Mayflies (the immatures are aquatic)
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Mayfly (adult)
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Mayfly (adult)
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Mosquito larvae
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Mosquito Larvae
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Mosquito
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Mosquito
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Mosquito (Ochlerotatus canadensis)
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Predaceous Diving Beetle
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Predaceous
Diving Beetles
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Predaceous Diving Beetle inside a standard-sized tea/coffee cup.
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Predaceous Diving Beetle (closer view of the specimen shown in the cup at left)
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Predaceous Diving Beetle
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Stonefly (adult) (the immatures/nymphs are aquatic)
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Stonefly (adult)
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Small Winter Stoneflies (Old Town, Maine; 3/11/2022) (possibly Allocapnia recta) (Photo credit: courtesy of Edward S. Grew)
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Water Scorpion
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Water Scorpion
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Water Scorpion
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Water Striders
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Water Striders on Mount Desert Island (August, 2010)
Additional Photos and Information:
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