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The vast majority of wasp species are solitary insects. [10] [25] Having mated, the adult female forages alone and if it builds a nest, does so for the benefit of its own offspring. Some solitary wasps nest in small groups alongside others of their species, but each is involved in caring for its own offspring (except for such actions as ...
The wasp larva emerges and attaches itself to the host's body, consuming the host's tissues as it grows. It eventually forms a cocoon and drops off the carcass. A Neotropical tachinid fly, Perumyia embiaphaga, [32] and a braconid wasp species in the genus Sericobracon, [33] are known to be parasitoids of adult embioptera.
Some attack arthropods other than insects: for instance, the Pompilidae specialise in catching spiders: these are quick and dangerous prey, often as large as the wasp itself, but the spider wasp is quicker, swiftly stinging her prey to immobilise it. Adult female wasps of most species oviposit into their hosts' bodies or eggs.
The female wasp may then engage in spreading soil or other changes to the area, leaving the nest site inconspicuous. One species of spider wasp protects its nests by putting dead ants into the outermost chamber, where the ants' chemicals deter predators. [16] [17] Wasp dragging a spider to its nest
Many species are pollen vectors contributing to the pollination of several plants, being potential or even effective pollinators, [2] while others are notable predators of pest insect species, and a few species are invasive pests. [3] [4]
Many of the insects collected by the workers are considered pest species, making the yellowjacket beneficial to agriculture. [4] Larvae, in return, secrete a sugary substance for workers to eat; this exchange is a form of trophallaxis. As insect sources of food diminish in late summer, larvae produce less for workers to eat.
Hymenoptera is a large order of insects, comprising the sawflies, wasps, bees, and ants. Over 150,000 living species of Hymenoptera have been described, [2] [3] in addition to over 2,000 extinct ones. [4] Many of the species are parasitic. Females typically have a special ovipositor for inserting eggs into hosts or places that are otherwise ...
Ichneumonid wasps, with very few exceptions, attack the immature stages of holometabolous insects and spiders, eventually killing their hosts. [4] They play an important role as regulators of insect populations, both in natural and semi-natural systems, making them promising agents for biological control. [5] Male ichneumonid wasp