Orthosia cerasi

Common quaker

Description

Adult quite variable, there are forms with a plain ground colour, and others with a darker band across the forewing, but all have two large, rounded stigmata outlined paler. Wingspan 34-40 mm. The larva is 30-35 mm in length, bright green with yellow markings - dorsal conspicuous, subdorsal and lateral inconspicuous lines and dense small yellow spots. Pinnacles yellow, setae medium in length, inconspicuous. Head and thoracic shield uniformly grey-green. Prothoracic segment (anteriorly) and abdominal segment 8 (posteriorly) with transverse (between subdorsum) yellow line. Spiracles white, bordered with inconspicuous black line. Larva feeds polyphagously on broadleaf woody plants, mostly oaks and lime trees. The single generation flies in March and April, when it is often attracted to light. Pupa hibernates, in the soil. Forests, shrubby places, orchards and gardens, widely distributed, abundant in lowlands and warmer regions.

Symptom

Adult quite variable, there are forms with a plain ground colour, and others with a darker band across the forewing, but all have two large, rounded stigmata outlined paler.

Tree Species: Beech, Oak, Lime, Willow

Part of a plant- attacked: Leaf / Needle

Pest significance: Harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes