1) The phallus of a male insect 
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. Very loosely, it can be thought of as the insect equivalent of a mammal`s penis, though the matter is actually quite more complex. The aedeagus is part of the male`s abdomen, which is the h.....
The sclerotized terminal portion of the male genital tract that is inserted into the female during insemination.
(from the article `apterygote`) ...and surrounding area differ. In diplurans external genitalia are absent or vestigial. Thysanurans and archaeognathans have external genitalia ... During copulation, bundles of spermatozoa are sometimes introduced directly into the female vagina by means of the male copulatory organ, or ... In males ...
Intermittent organ in most insects, formed from a subdivision of the primary phallic lobes.
the reproductive organ of male insects.
male copulatory organ
the phallus of a male insect.