lalows2's picture

Inside a Sper Thistle

Observed: 20th July 2011 By: lalows2lalows2’s reputation in Invertebrateslalows2’s reputation in Invertebrateslalows2’s reputation in Invertebrates
Inside a Spear Thistle
Description:

A lot of frass but only a small exit hole - who lived in here?

Identifications
Species interactions

No interactions present.

Species with which Agromyzid fly (Melanagromyza aeneoventris) interacts

Comments

Refugee's picture

My best guess

It could be something that laid many eggs so that all the adults left through one hole.

Refugee