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Dartmoor Tick Watch
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Sheep tick - Ixodes ricinus
LARVA - note 6 legs
Click here for: larva, nymph, male, female, mating ticks and comparing mouthparts photographs
These photos were taken on the JEOL 5600LVSEM scanning electron microscope at the University of Plymouth Electron Microscopy Centre on 10th August 2009.
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Dorsal view of a larva
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Ventral view of a larva
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Dorsal view of the capitulum
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Ventral view of the capitulum
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Dorsal view of the hypostomal region,
showing the cheliceral sheathes and chelicerae
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Ventral view of the hypostome, showing the chelicerae extended dorsally beyond
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Spiracles and anus
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Spiracle, detail (backscattered electron
image)
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Pedipalp tip, showing terminal sensory
organ
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Right leg 1, showing Haller's organ
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Left foot 1, note the branched seta at
right, almost touching the foot, possibly a sensory structure?
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Haller's organ, detail
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Acknowledgement: My thanks to the staff of the University of Plymouth Electron Microscopy Centre, Dr Roy Moate, Peter Bond and Glenn Harper, for enabling me to take these photographs.
