Credit: PETER MATULAVICH/SCIENCE PHOTO LIBRARY

Caption: Head louse (Pediculus humanus capitis), about 3 mm in length, positioned next to U.S. 25-cent piece to show its relative size. Blood can be seen in its digestive tract. Lice are wingless, parasitic insects that spend their entire lives on the scalps of their human hosts. Their mouthparts, which are only visible when feeding, are adapted for piercing skin and sucking blood. The claws on their feet are used for grasping strands of hair.

Release details: Model release not required. Property release not required.

Keywords: animal, arthropod, biology, blood, blood sucking, claws, close up, disease, head louse, infest, infestation, insect, insecta, invertebrate, lice, macro, macroscopic, nit, nits, parasite, parasitic, pediculus humanus capitis, pest, phthiraptera, sucker, zoology

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Head louse next to coin

K003/6401 Rights Managed

Downloadable master

Duration: 00:00:14.23

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 650.9M

Original

Capture format: DSLR - AVCHD

Codec: Apple ProRes 422 (HQ)

Please contact Science Photo Library if you require the original, or other formats.

 

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