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The wasps, bees, and ants together make up the suborder (and clade) Apocrita, characterized by a constriction between the first and second abdominal segments called a wasp-waist , also involving the fusion of the first abdominal segment to the thorax. Also, the larvae of all Apocrita lack legs, prolegs, or ocelli.
Bees (Family: Apidae) Wasps (Family: Vespidae) Name Western honey bee Bumblebee Paper wasp Yellowjacket Bald-faced hornet European hornet Asian hornet; Image Colors Amber to brown translucent alternating with black stripes. [a] Exact pattern and colouration varies depending on strain/breed.
The wasps are a cosmopolitan paraphyletic grouping of hundreds of thousands of species, [1] [2] consisting of the narrow-waisted clade Apocrita without the ants and bees. [3] The Hymenoptera also contain the somewhat wasplike but unwaisted Symphyta , the sawflies.
Bees collecting pollen from sunflowers treated with Gaucho exhibited confused and nervous behavior; thus, the phenomenon was initially termed the "mad bee disease" — the bees, according to ...
Typically, paper wasps are relatively unaggressive, only attacking humans and animals if they or their nests are being threatened. As in other aculeate wasps, only females have the ability to sting. [16] Unlike bees, wasps do not have barbed stingers that can be lost, so they are able to sting multiple times to defend a nest. [17]
Charles Darwin considered the evolution of eusociality a major problem for his theory of natural selection.In The Origin of Species, he described the existence of sterile worker castes in the social insects as "the one special difficulty, which at first appeared to me insuperable and actually fatal to my whole theory".
Females can build their own nests, but often refurbish nests abandoned by other wasps and bees, [4] particularly those of Sceliphron caementarium, [5] removing any spiders captured by S. caementarium and the larva, replacing it with an egg of its own and freshly caught spiders. [3] They go through multiple generations in a year. [2]
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