A REFERENCE to the defoliation of oaks, particularly on the borders of Surrey and Hampshire, by the larvæ of Tortrix viridana, was made in NATURE on June 10. It concludes with the remark that the ...

They are a problem in mid- to late summer. Fruitlet-mining tortrix makes a shelter of webbing in clusters of apples. Summer fruit tortrix shelter in leaves held together by silken webbing near the ...