Most insects reproduce oviparously, i.e. by laying eggs. The eggs are produced by the female in a pair of ovaries. Sperm, produced by the male in one testicle or more commonly two, is transmitted to the female during mating by means of external genitalia. The sperm is stored within the female in one or more spermathecae. At the time of fertilization, the eggs travel along oviducts to be fertilized by the sperm and are then expelled from the body ("laid"), in most cases via an ovipositor.
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Female insects are able to make eggs, receive and store sperm, manipulate sperm from different males, and lay eggs. Their reproductivesystems are made...
The reproductivesystem of an organism, also known as the genital system, is the biological system made up of all the anatomical organs involved in sexual...
Insect physiology includes the physiology and biochemistry of insect organ systems. Although diverse, insects are quite similar in overall design, internally...
The insect nervous system consists of a brain and a ventral nerve cord. Most insects reproduce by laying eggs. Insects breathe air through a system of...
species of insect. Long, slender (extratory) malpighian tubules can be found between the junction of the mid- and hind gut. The reproductivesystem of females...
glands.[better source needed] These glands are found only in mammals. In insects, male accessory glands produce products that mix with the sperm to protect...
fish and amphibians). In insects and other invertebrates, the vagina can be a part of the oviduct (see insectreproductivesystem). Birds have a cloaca into...
of x-ray photon irradiation on the reproductive cells of the insects. SIT does not involve the release of insects modified through transgenic (genetic...
coelom of the arthropod is reduced to small areas around the reproductive and excretory systems. Its place is largely taken by a hemocoel, a cavity that runs...
her. The cloacae then touch, so that the sperm can enter the female's reproductive tract. This can happen very fast, sometimes in less than half a second...
individuals truly dependent on each other for survival and reproductive success. For many insects, this irreversibility has changed the anatomy of the worker...
"Microorganisms associated with chromosome destruction and reproductive isolation between two insect species", Nature, 346 (6284): 558–560, Bibcode:1990Natur...
leucomystax), females reply to males' calls, which acts to reinforce reproductive activity in a breeding colony. Female frogs prefer males that produce...
butterfly, Danaus plexippus. In cases where the insect remains active, feeding is reduced and reproductive development is slowed or halted. Embryonic diapause...
males. The reproductive strategies of many species include at least some amount of asexual reproduction by parthenogenesis. Some scale insects are serious...
one reproductive cycle, they can afford to expend energy on maternal care because those offspring are her only offspring. An iteroparous insect does...
retention, such as insect spermatheca and bird sperm storage tubules (bird anatomy), to more general regions of the reproductive tract enriched with...
Insect pheromones are neurotransmitters that serve the chemical communication between individuals of an insect species. They thus differ from kairomones...
pore-like sexual organ of a female insect that is inseminated by the spermatophores ejected by the aedeagus of a male insect during copulation. The spermatophores...
silverfish never evolved wings. In some eusocial insects like ants and termites, only the alate reproductive castes develop wings during the mating season...
reproduction. The breeding system, or how the sperm from one plant fertilizes the ovum of another, depends on the reproductive morphology, and is the single...
live in groups, and there is reproductive division of labor, or reproductive altruism. The second characteristic, reproductive altruism, is, in these wasps...
Reproductive suppression is the prevention or inhibition of reproduction in otherwise healthy adult individuals. It occurs in birds, mammals, and social...
nodes. This is known as a closed circulatory system. Insects, however, have an open circulatory system in which blood and lymph circulate unenclosed...
seminis (pl.: receptacula seminis), is an organ of the female reproductive tract in insects, e.g. ants, bees, some molluscs, Oligochaeta worms and certain...
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