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Home > All Images > 1993 > May > 14 May 1993

Images Dated 14th May 1993

Choose from 6 pictures in our Images Dated 14th May 1993 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Bird flea head, SEM Featured 14 May 1993 Print

Bird flea head, SEM

Head of a bird flea. False-colour scanning electron micrograph (SEM) of the head of the bird flea, Ceratophylus galinae. The flea is a parasite on dry nesting birds, such as the Blue Tit. The head (at top) is helmet-shaped and the body is laterally flattened, adaptions which allow easy movement through the feathers of the host. The antennae can be withdrawn into grooves on the side of the head (shadowed area at upper left). The mandibles with long palps (centre right) are modified for the blood sucking habit of this insect. Most fleas remain on the host only while feeding. This flea also occupies the bird nest. Magnification: x106 at 6x4.5cm size

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