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Ovipositor of long-horned grasshopper (the two cerci are also visible). The ovipositor is a tube-like organ used by some animals, especially insects, for the laying of eggs.In insects, an ovipositor consists of a maximum of three pairs of appendages.
The terminalia of adult female insects include internal structures for receiving the male copulatory organ and his spermatozoa, and external structures used for oviposition (egg-laying). Most female insects have an egg-laying tube, or ovipositor; it is absent in termites, parasitic lice, many Plecoptera, and most Ephemeroptera.
The sperm, when released from the capsule, swims directly into or via a small tube (the 'ductus bursae') into a special seminal receptacle (the 'spermatheca'), where the sperm is stored until it is released into the vagina for fertilisation during egg laying, which may occur hours, days, or months after mating. The eggs pass through the ovipore ...
Just one fly can lay up to 300 eggs at a time and is drawn "to the odor of a wound or natural ... "Although USDA eradicated NWS from the United States in 1966 using sterile insect technique, there ...
The butterfly can be seen laying eggs underneath the leaf. Like most insects, the Lepidoptera are oviparous or "egg layers". [40] Lepidopteran eggs, like those of other insects, are centrolecithal in that the eggs have a central yolk surrounded by cytoplasm.
As parasitoids, they lay their eggs on or in the bodies of other arthropods, sooner or later causing the death of these hosts. Different species specialise in hosts from different insect orders, most often Lepidoptera , though some select beetles , flies , or bugs ; the spider wasps ( Pompilidae ) exclusively attack spiders .
Most insects reproduce by laying eggs. Insects breathe air through a system of paired openings along their sides, connected to small tubes that take air directly to the tissues. The blood therefore does not carry oxygen; it is only partly contained in vessels, and some circulates in an open hemocoel.
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