- Explore community
Yellow headed hazel sawfly
Observed: 12th October 2009 By: terrycrynant
Added: 22nd January 2011
One of the caterpillars in the third photo has a yellow head but retains the black pigment in the body.Can anyone give me any information about this.I observed these caterpillars for a few weeks until one day they were all gone.Were they eaten or do they all go to pupate on the same day.