Morphology

The basic body plan of mites is shown in Fig. 23.1. The body is divided into two major regions: the anterior ├čnathosoma, bearing the pedipalps and chelicerae; and the idiosoma,, the remainder of the body, bearing the legs and eyes (when present). The pedipalps are typically five-segmented but may be gready reduced and highly modified in different groups of mites. The pedipalps are primarily sensory appendages equipped with chemical and tactile sensors that assist mites in finding food and perceiving environmental cues, In some groups they may be modified as raptorial structures for capturing prey or as attachment devices to facilitate clinging to hosts. The r . S OENTIUS jCHELLAL

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