Black fly proboscis. Differential interference contrast micrograph of the proboscis of a black fly (Simulium sp.). Female black flies feed on blood, w

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Black fly proboscis. Differential interference contrast micrograph of the proboscis of a black fly (Simulium sp.). Female black flies feed on blood, while the males feed on nectar. Several species are vectors for the nematode that causes river blindness in humans. Magnification: x200 when printed at 10 centimetres wide.

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Size: 4653px × 3898px
Photo credit: © GERD GUENTHER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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