Ambulacral structure in the terrestrial moiety of the intertidal Acari, and its relationship with the life style of the Acari
1987 - Volume: 28 Issue: 1 pages: 3-13
Ambulacral modifications among the terrestrial moiety of the intertidal acari associated with maintenance of position reflect the lifestyles of these acari. The mesostigmata have strenthened or elongated pulvillar sclerites and long spatulate setae to aid adhesion. The claws of the genus Ameronothrus (cryptostigmata) are proportionately longer in the intertidal compared with the supralittoral species. The claw mechanism of Hyadesia spp. (astigmata) is unique; the mechanism and its mode of action are analysed. Howerver, the prostigmata show no unusual ambulacral modifications, with ail structures having parallels among non-intertidal species.
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