Insects Sex and Growth

Insects Sex and Growth - Insects Sex and Reproduction...

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Insects Sex and Reproduction – 9/26/07 Nuptial gifts –appease the female, limit mating with second males, and provide nutrients o If female is full enough, she will reject other males Copulation o Female can still reject the male o Can even reject the sperm after insemination Arthropods, when living in the ocean, would disperse there gametes in a general area where the sperm and egg would meet o Springtails- another example of indirect insemination – leaves a sperm packet for the female to pick up o Dragon Fly – uses claspers to attach to a male, uses second set of genitalia to offer the sperm to the female Secondary genitalia can extract sperm that was in the female from other males Their mating process an intermediate between indirect and direct insemination Even after copulation, male does not know whether or not the female will keep his sperm, can expel it Honey Bees - A queen flies out of the hive only a few days after molting to an adult o Drones (males) are attracted to the pheromone
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Insects Sex and Growth - Insects Sex and Reproduction...

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