Gall swelling on the flower stems of some of the established catsear (Hypochoeris radicata) plants along the roadside through the Burwood plantation. This photo was taken between the end of Bower Ave. and the Christchurch dump. No insect larvae were found inside during field dissections of some of the galls, but the swellings match the galls caused by the gall wasp, Phanacis hypochcheridis. Part of the plant was pressed.
Arnstein Staverlokk. Norwegian Institute of Nature Research. Arnstein Staverlokk. Year: 2014. Contact: Arnstein Staverlokk.
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Gall swelling on the flower stems of some of the established catsear (Hypochoeris radicata) plants along the roadside through the Burwood plantation. This photo was taken between the end of Bower Ave. and the Christchurch dump. No insect larvae were found inside during field dissections of some of the galls, but the swellings match the galls caused by the gall wasp, Phanacis hypochcheridis. Part of the plant was pressed.
Gall swelling on the flower stems of some of the established catsear (Hypochoeris radicata) plants along the roadside through the Burwood plantation. This photo was taken between the end of Bower Ave. and the Christchurch dump. No insect larvae were found inside during field dissections of some of the galls, but the swellings match the galls caused by the gall wasp, Phanacis hypochcheridis. Part of the plant was pressed.