Satoshi Hiroyoshi, Takayuki Mitsunaga, Gadi V.P. Reddy
Abstract:Temporal changes in mating behavior and daily sperm movement were examined in adult males of the butterfly Polygonia c‐aureum L. (Lepidoptera: Nymphalidae), reared under L15:D9 photoperiod at 21 °C. In this butterfly, when extra sperm is present in the duplex (storage organ) at mating, sperm reflux occurs: extra sperm are moved from the duplex to the lower and middle portions of the vasa deferentia by peristaltic movement of the lower portion of the vasa deferentia. It is known in several moth species that dai…
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