A Portuguese Two Host Tick
Hyalomma m. marginatum

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Dermacentor reticulatus

 

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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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