Ancistrocerus trifasciatus (Müller, 1776) (a potter wasp or mason wasp)
Family: Vespidae
The name of this genus “Ancistrocerus” meaning “hooked horn”
Adult flight season: May to September
Widespread throughout the United Kingdom, also most parts of mainland Europe; across Asia to Mongolia and Japan.
They prey on small Lepidoptera and sometimes, chrysomelid larvae (Beetles). She will place them in a hollow stem or a disused gall, for her larvae to feed on separated by mud or clay.
Habitat: found in a wide variety of habitats, favouring marshy places.
Flowers visited: A wide range of flowers visited including Bramble, Sea-holly, Daisey, hogweed and thistles.
Parasites Chrysis angustula, C. impressa, C mediate and C. ignita.