notpop's picture

What does this to Dock leafs ?

Observed: 17th August 2013 By: notpopnotpop’s reputation in Invertebratesnotpop’s reputation in Invertebratesnotpop’s reputation in Invertebratesnotpop’s reputation in Invertebrates
P8170008
Description:

All dock leafs in area reduced to veins

Identifications
  •  
    Likely ID
    sawfly ?
    Confidence: It might be this.
Species interactions

No interactions present.

Comments

eucera's picture

Filigree Work

I suspect the Chrysomelid beetle Gastrophysa viridula is the culprit.

Stuart
Chairman BWARS
www.bwars.com

notpop's picture

Hi Stuart

would defoliation be by leaf mining or grazing by grub or adult ?

eucera's picture

Grazing

Grazing by adults and larvae

Stuart
Chairman BWARS
www.bwars.com

notpop's picture

thanks

Many thanks,tried hand lens but think I was too late....g