Fine structure of the spermatozoon in the miteParasitus niveus(Mesostigmata, Acari)

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Abstract
The spermatozoa of the mite, Parasitus niveus, are rod-shaped cells possessing a very elongated and zig-zag shaped nucleus. The cytoplasm is filled by so-called “striated bodies” and mitochondria. The plasmalemma forms five complicated structures, called stiff bands. In the peripheral cytoplasm lie flattened canaliculi and flattened cisternae. The morphology of the spermatozoa is compared with that of other mite spermatozoa described in the literature.