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Of the wasp's 7,400 neurons, 4,600 are located in the brain. A small insect from other families often deals with the issue of having a large brain in relation to its head size by shifting its brain into its thorax and even abdomen. However, wasps cannot, as to keep their heads flexible, the head's connection to the thorax is relatively limited. [2]
They are a successful and diverse group of insects with tens of thousands of described species; wasps have spread to all parts of the world except for the polar regions. The largest social wasp is the Asian giant hornet , at up to 5 centimetres (2.0 in) in length; among the largest solitary wasps is a group of species known as tarantula hawks ...
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
Palaeovespa florissantia, late Eocene. The Vespidae are a large (nearly 5000 species), diverse, cosmopolitan family of wasps, including nearly all the known eusocial wasps (such as Polistes fuscatus, Vespa orientalis, and Vespula germanica) and many solitary wasps. [1]
Parasitoid wasps are a large group of hymenopteran superfamilies, with all but the wood wasps being in the wasp-waisted Apocrita. As parasitoids , they lay their eggs on or in the bodies of other arthropods , sooner or later causing the death of these hosts .
V. germanica wasps have a diverse diet. They are known to eat carrion, live arthropods (including spiders [12]), fruit, [10] honeydew, and processed human food and garbage. [13] They are opportunistic scavengers and hunters able to obtain food from a variety of different sources. [9]
The superfamily Apoidea is a major group within the Hymenoptera, which includes two traditionally recognized lineages, the "sphecoid" wasps, and the bees.Molecular phylogeny demonstrates that the bees arose from within the traditional "Crabronidae", so that grouping is paraphyletic, and this has led to a reclassification to produce monophyletic families.
Vespula vulgaris, known as the common wasp, is a species found in regions that include the United Kingdom, Ireland, Germany, India, China, New Zealand [1] and Australia. It is sometimes known in English as the European wasp, but the same name is used for the species Vespula germanica or German wasp.