Skip to Left navigation Skip to Main content Skip to Footer

University of Minnesota Extension

Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Dogwood > Leaves chewed or with holes

Print Icon Email Icon Share Icon

Dogwood > Leaves > Leaves chewed or with holes

1 of 2
  • Image: Apple Scab 1
  • Image: Apple Scab 2
  • Image: Apple Scab 3

Dogwood sawfly
Macremphytus tarsatus

  • Skeletonized leaves,i.e. leaf tissue consumed between veins, in early summer
  • Leaves are eaten down to only midveins during late summer
  • Attacks most dogwood, particularly gray dogwood
  • Larvae change color pattern several times during their development
  • After second molt, larvae are covered with white powdery substance and the fully grown larvae are yellow with black spots and head
  • More information on Dogwood sawfly
2 of 2
  • Image: Apple Maggot 1
  • Image: Apple Maggot 2

Four-lined plant bug
Poecilocapsus lineatus

  • Small, round depressed spots which may be brown, black or translucent on leaves
  • Dead plant tissue may fall out causing a "shot hole" effect
  • Newly hatched nymphs are red with black wing pads and become yellowish green with a black stripe on each wing pad as they develop
  • Adults are ½ inch long, yellowish to yellow green in color with four longitudinal black stripes on the wing covers
  • More information on Four-lined plant

Don't see what you're looking for?