Phanacis zwoelferi Nieves-Audrey, 1995

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 touch the larvae react only weakly (cf Aulacidea freesei).

host plants

Asteraceae, monophagous

Silybum marianum.

references

Nieves-Aldrey (1995a), Nieves-Aldrey & Askew (2002a), Nieves-Aldrey (2008a), Nieves-Aldrey, Gómez & Hernández Nieves (2004a), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a).