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Jan Hamrsky: Water scorpion (Nepa cinerea), with ant prey
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Jan Hamrsky: Water scorpion (Nepa cinerea), early instar
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Jan Hamrsky: Water scorpion (Nepa cinerea), refilling its air supply
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Jan Hamrsky: Water scorpion (Nepa cinerea), head and raptorial leg detail
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Jan Hamrsky: Water scorpion (Nepa cinerea), breathing tube "siphon" detail
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Jan Hamrsky: Water scorpion (Nepa cinerea), early instar