Phanacis zwoelferi Nieves-Audrey, 1995
Hymenoptera, Cynipidae
on Silybum
gall
Larval chambers in numbers below the bak of the stems. They are elongate-elliptic, parallel to the stem, and not lined with silk. Upon toch the larvae react only weakly (cf Aulacidea freesei).
hostplants
Asteraceae, monophagous
Silybum marianum.
references
Nieves-Aldrey (1995a), Nieves-Aldrey (2008a), Nieves-Aldrey, Gómez & Hernández Nieves (2004a), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a).
09/08/2015