FIGURE 22. A–H Nanohystrix hammerae n in Nanohystricidae n. fam., an unusual, plesiomorphic enarthronote mite family endemic to New Zealand (Acari, Oribatida)

FIGURE 22. A–H Nanohystrix hammerae n. sp., gregarine gut parasites of adult (A–F) and tritonymph (G), and external commensal (H). A, coarse parasagittal section through caecum of uncleared adult female, showing entire cavity filled with gregarine trophozoites and gamonts; B, gamonts in tandem association, with insert showing slightly enlarged region of syzygy; C, free trophozoites in colon; D, possible developing oocyst; E, trophozoite attached to caecum wall; F, posterior of two gamonts, showing epicytic striae; G, short, young trophozoites in cleared tritonymph; H, secondary capilliconidium of Basidiobolus sp. (Zygomycota: Entomophthorales) cemented to seta ft" of tarsus III. All composites of 5–10 layers. Scale bars: 100 Μm (A); 20 Μm (B, C, G); 10 Μm (D–F, H).