When copulating, the female receives the seminal fluid and holds it stored in her receptacle.
"Bramble-bees and Others" by J. Henri Fabre
The seminal vesicles are not receptacles for the testicular secretion.
"The Biology, Physiology and Sociology of Reproduction" by Winfield S. Hall
Seminal receptacles of snakes.
"Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz" by John M. Legler