Everything about Aedeagus totally explained
An
aedeagus (plural
aedeagi) is a reproductive organ of male
insects through which they secrete
sperm from the
testes during
copulation with a female insect. The sperm contains capsules called
spermatophores, which contain the
spermatozoa. In addition to the spermatophores, in some insect species the aedeagus also discharges a
spermatophylax, which serves as a
nutriment to the female.
The aedeagus is part of the male's
abdomen, which is the most caudal of the three segments of an insect. The pair of
testes of the insect are connected to the aedeagus through the so-called genital
ducts. The aedeagus is part of the male insect's phallus, which also includes in some species the
valvae, which are paired organs which help the male hold on to the female during copulation.
During copulation, the aedeagus connects with the
ovipore of a female.
In males of most species of
Lepidoptera (for example moths), the aedeagus has a sheath which is supported by an organ called the
juxta, which is located between the aforementioned valvae.
Further Information
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