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Tisza mayflies taking off
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Tisza mayfly taking off from water
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Tisza mayfly hanging from a leaf during moult
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Male Tisza mayflies emerging after moulting on leaves overhanging the Tisza river
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Tisza mayfly portrait
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Tisza mayfly, anterior view
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Tisza mayfly in flight
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Tisza mayfly drinking
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Tisza mayflies swarming
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Tisza mayflies swarming
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Tisza mayflies on surface of Tisza river
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Male Tisza mayflies swarming around a female
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Tisza mayfly on surface of water
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Exhausted male Tisza mayflies swarm at the waters surface, while the females fly upstream to oviposit
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Dead Tisza mayfly near a discarded exoskeleton