FIGURES 18–24. Protoribates robustior Jacot, 1937 in A review of the ecology and distribution of Protoribates (Oribatida, Oripodoidea, Haplozetidae) in Alberta, Canada, with the description of a new species

FIGURES 18–24. Protoribates robustior Jacot, 1937, New York, USA (18–20), Alberta, Canada (21–24). Adult (scale bars = 50 µm, except 20 = 10 µm) 18 frontal view 19 ventral habitus 20 lateral view palps, rutellum 21 dorsal view prodorsum 22 lateral habitus 23 light micrograph of porose area Aa (12 µm diameter) 24 discidium (60 µm long).