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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 ...
Trichogramma is a genus of minute polyphagous wasps that are endoparasitoids of insect eggs. [1] Trichogramma is one of around 80 genera from the family Trichogrammatidae, with over 200 species worldwide. [2] [3] [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 ...
Adult female wasps of most species oviposit into their hosts' bodies or eggs. More rarely, parasitoid wasps may use plant seeds as hosts, such as Torymus druparum. [5] Some also inject a mix of secretory products that paralyse the host or protect the egg from the host's immune system; these include polydnaviruses, ovarian proteins, and venom ...
[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 ...
The mature female lays eggs in an egg sack of white wax, usually in clusters on the twigs, branches, and bark of the host plant, and also on the plant's leaves and terminal ends. Eggs are initially orange in color but turn pink on maturity. Egg development takes between 3 and 9 days.