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A guide to Oribatid Identification for the ABMI: - Royal Alberta Museum

A guide to Oribatid Identification for the ABMI: - Royal Alberta Museum

A guide to Oribatid Identification for the ABMI: - Royal Alberta Museum

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Almanac of <strong>Alberta</strong> <strong>Oribatid</strong>a 2.3 13 January 20132. (1) Venter with soft cuticle in or around <strong>the</strong> coxal region. Ei<strong>the</strong>r <strong>the</strong> body divided in<strong>to</strong> two by aband of soft cuticle running between <strong>the</strong> epimeres of legs II-III (dichoid) or <strong>the</strong> prodorsumcovered by aspis that is separated from no<strong>to</strong>gaster by soft cuticle and <strong>the</strong> leg bases aresurrounded by soft cuticle and capable of being retracted in<strong>to</strong> body (ptychoid) ...................... 3- Body holoid (Fig. 1.2.1-2), no soft cuticle in <strong>the</strong> area of <strong>the</strong> leg bases (epimeres) ..................... 7Figure 1.2.120Figure 1.2.23. (2) Ptychoid, i.e. prodorsum covered by aspis that is separated from no<strong>to</strong>gaster by soft cuticleand leg bases surrounded by soft cuticle and capable of being retracted in<strong>to</strong> body .................. 4- Dichoid, i.e. body divided in<strong>to</strong> two by a band of soft cuticle between legs II-III and <strong>the</strong>prodorsum and no<strong>to</strong>gaster ......................................................................................................... 5

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