Jan Hamrsky / Black fly pupae (Simuliidae) attached to the stem of aquatic plant, Europe, August, controlled conditions
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Jan Hamrsky / Black fly larva (Simuliidae) using its fan-like mouth brushes to catch passing organic debris, Europe, February, controlled conditions.
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Jan Hamrsky / Black fly pupa (Simuliidae) attached to the stem of aquatic plant, Europe, August, controlled conditions
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Jan Hamrsky / Black fly larva and pupa (Simuliidae) attached to the stem of aquatic plant, Europe, August, controlled conditions
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Matt Roseveare / Blackfly larva (Simulium spp.) feeding on particlate on riverbed, Cornwall, UK, April. Controlled conditions.
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Michel Roggo / Blackfly (Simuliidae) larvae underwater, attached to limestone rocks using hooks to avoid being swept away by the strong current, Hongrin River, Fribourg, Switzerland. April.
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Michel Roggo / Close up of Blackfly (Simuliidae) larvae underwater, attached to limestone rocks using hooks to avoid being swept away by the strong current, Aergera River, Fribourg, Switzerland. April.
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Michel Roggo / Blackfly (Simuliidae) larvae underwater, attached to rocks using hooks to avoid being swept away by the strong current, Aergera River, Fribourg, Switzerland. June.
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Michel Roggo / Blackfly (Simuliidae) larvae underwater, attached to limestone rocks using hooks to avoid being swept away by the strong current, Hongrin River, Fribourg, Switzerland. April.
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Michel Roggo / Blackfly (Simuliidae) larvae underwater, attached to limestone rocks using hooks to avoid being swept away by the strong current, Hongrin River, Fribourg, Switzerland. April.