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A cecidomyiid laying eggs on grass Cecidomyiid in copula Cecidomyiid oviposting into boreholes of bark beetles on a fallen beech. Cecidomyiidae is a family of flies known as gall midges or gall gnats. As the name implies, the larvae of most gall midges feed within plant tissue, creating abnormal plant growths called galls. Cecidomyiidae are ...
Eggs are typically oval and may be attached in rows to plants. Where the eggs are deposited relates to the way the ovipositor is formed. It consists of up to three pairs of appendages formed to transmit the egg, to make a place for it, and place it properly. Tettigoniids have either sickle-shaped ovipositors which typically lay eggs in dead or ...
Stacconi and Romani (2011) found that, overall, the saccular structure within the spermatheca plays a key role in identifying mated and unmated females. [4] Males are able to identify a mated versus unmated female by the volume of the saccular gland. The study also shows that parasitoid insects are able to identify mated and unmated females. [4]
Stalked eggs of unknown species, Mainzer Sand (Rhineland-Palatinate, Germany) Larva of a species in the Chrysoperla carnea group feeding on an aphid. Eggs are deposited at night, singly or in small groups; one female produces some 100–200 eggs. Eggs are placed on plants, usually where aphids are present nearby in numbers. Each egg is hung on ...
They are predatory insects, feeding on small insects including aphids and red spider mites. [1] A. nemorum lays its eggs inside plant leaves. [7] It has been used as a biological pest control since 1992, primarily to control Cacopsylla pyri. [8] It is capable of biting humans. [9]
[31] [50] [67] The female uses its ovipositor to drill into plant material to lay her eggs (though the family Orussoidea lay their eggs in other insects). Plant-eating sawflies most commonly are associated with leafy material but some specialize on wood, and the ovipositors of these species (such as the family Siricidae) are specially adapted ...
Some species are predatory, but most of them feed on pollen and the chloroplasts harvested from the outer layer of plant epidermal and mesophyll cells. They prefer tender parts of the plant, such as buds, flowers and new leaves. [38] [39] Besides feeding on plant tissues, the common blossom thrips feeds on pollen grains and on the eggs of mites ...
While the layout of internal genital ducts and openings of the female genitalia depends upon the taxonomic group that insect belongs to, the internal female reproductive system of all lepidopterans consists of paired ovaries and accessory glands which produce the yolks and shells of the eggs. Female insects have a system of receptacles and ...