A Portuguese Two Host Tick
Hyalomma m. marginatum

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Electron microscope images

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.


Dorsal view of a larva


Ventral view of a larva


Dorsal view of the capitulum


Ventral view of the capitulum


Dorsal view of the hypostomal region, showing
the cheliceral sheathes and chelicerae


Ventral view of the hypostome, showing
the chelicerae extended dorsally beyond


Spiracles and anus


Spiracle, detail (backscattered electron image)


Pedipalp tip, showing terminal sensory organ


Right leg 1, showing Haller's organ


Left foot 1, note the branched seta at right, almost
touching the foot, possibly a sensory structure?


Haller's organ, detail



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.




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