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Family Heptageniidae - Flatheaded Mayflies

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Mayfly 1 Vibrant Yellow Mayfly Vibrant Yellow Mayfly Vibrant Yellow Mayfly Vibrant Yellow Mayfly Mayfly unkown bug Maccaffertium? Maccaffertium? Maccaffertium? Unknown Heptageniid- ID PLEASE! Heptageniidae (Flatheaded Mayfly) Aquatic larva Ephemeroptera 9049980 MAYFLY Epeorus species? Drunella species?  #2 Spinadis? Spinadis? Spinadis? Family Heptageniidae 8016526 Mayfly 8016528 Mayflies 8016527 Mayfly

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