Aulacidea pilarae Nieves-Aldrey, 2012

on Klasea

Klasea nudicalis, section through a galled flower head (from Nieves-Aldrey)

gall

The achenes are transformed into tough, oval, unilocular galls, and fused into a solid mass, that remains enclosed by the involucrum during the winter.

host plants

Asteraceae

Klasea nudicaulis.

notes

The galls cannot be distinguished from those of Isocolus serratulae.

references

Nieves-Aldrey (2012a).