On the zygopteran sperm material, with reference to the spermatophore
Odonatologica , Volume 16 - Issue 4 p. 393- 399
The histology of the male internal genitalia (testes, vasa deferentia, sperm sac, ejaculatory duct) of 9 Indian spp. was investigated. Special attention is given to sperm material reaching up to the sperm-sac and, subsequently, to the vesicula spermalis of the secondary copulatory apparatus. Though generally known to students of odon. sperm competition, it is here for the first time histologically evidenced and explicitly stated that true spermatophores do not occur in the order.
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