File:Simuliidae Heads.jpg
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Larval blackflies have fan like mouth parts that filter small particles from the water. If you squeeze the preserved head capsules gently you can see the fans open and close.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:34, 1 February 2012 | 1,280 × 1,024 (140 KB) | Erin Hayes-Pontius |
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