Phytoecia cylindrica (Linnaeus, 1758)

Chaerophyllum temulum, Belgium, prov. Antwerp, Veerle, de Roost, 31.v.2021 © Carina Van Steenwinkel: the withering stem tip is characteristic for this species

in this species the oviposition opening is not covered

opened stem with egg

Chaerophyllum temulum, Belgium, prov. Antwerp, Balen, de Most, 11.vi.2021 © Carina Van Steenwinkel

prior to oviposition the females gnaws two circular cuts in the bark of the stem. One above the place of the egg, causing the the tip of the plant to wither. And a second cut, a few cm below the egg, weakening the reaction of the plant to the presence of egg and larva

Chaerophyllum temulum, Belgium, prov. Limbourg, Ham, Hammerse Bossen, 11.vii.2021 © Carina Van Steenwinkel: opened stem with larve

isolated larva

head

Belgium, 26,viii.2021 © Carina Van Steenwinkel: cocoon, made out of wood chips, and remants of the cocoon

imago, still in the stem

host plants

Apiaceae, oligophagous

Anthriscus; Chaerophyllum; Heracleum sphondylium.

distribution within Europe

All Europe, except Ireland and the Mediterranean Islands (Fauna Europaea, 2010).

references

Funke (1996a), Hellrigl (2010c), Hering (1957a), Robbins (1991a), Sláma (1998a).