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Contact: Daniel Stolte
stolte@email.arizona.edu
520-626-4402
University of Arizona
Caption: These are paired sperm of the diving beetle, Thermonectus marmoratus. The darkfield microscopy image shows both heads and tails of the paired sperm, which is 0.25 mm long!
Credit: Dawn Higginson, University of Arizona
Usage Restrictions: This visual may only be used in conjunction with reporting/posting of this news release. Image/video credit must be included exactly as indicated.
Related news release: A bug's (sex) life: Diving beetles offer unexpected clues about sexual selection
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