A wasp is any insect of the narrow-waisted suborder Apocrita of the order Hymenoptera which is neither a bee nor an ant; this excludes the broad-waisted sawflies, which look somewhat like wasps, but a
Vespula germanica Richard Bartz
Megascolia procer, a giant solitary species from Java in the Scoliidae. This specimen's length is 77 mm (3.0 in) and its wingspan is 115 mm (4.5 in).
Megarhyssa macrurus, a parasitoid. The body of a female is 50 mm (2.0 in) long, with a c. 100 mm (3.9 in) ovipositor
Hornets are wasps of the genus Vespa in the subfamily Vespinae. They are the largest of the eusocial wasps. Species like the European hornet can grow to 35 mm in length, while other species like the A
Wasp
…evolved from wasp ancestors. Wasps that are members of the clade Aculeata can sting their prey. The most commonly known wasps, such as yellowjackets and hornets, are in the family Vespidae and are eusocial, living together in a nest with an egg-laying queen and non-reproducing workers. Eusociality is favoured…
European hornet with the remnants of a honey bee
A European hornet stinger under an optical microscope
The structure of an incipient nest