Sycamore Plant Bug – Plagiognathus albatus

Sycamore Plant Bug – Plagiognathus albatus

Common Name: Sycamore Plant Bug

Latin Name: Plagiognathus albatus


  • Adults are pale yellowish, elongated soft-bodied true bugs measuring 3 to 5 mm in length and equipped with piercing-sucking mouthparts.
  • Nymphs are similar to adults but lack wings.

Host plant:     

Sycamore (Platanus spp.), American plane tree (Platanus occidentalis) and London plane tree (Platanusx acerifolia) are the host plant


Sycamore Plant Bug is found in North America

Damages caused by Sycamore Plant Bug:

This causes mottled and occasionally deformed leaves. Heavily damaged foliage may seem ragged later in the growing season. Overwinters as an egg in the woody tissue at the base of the leaf bud.

Life history and habits:

Sycamore Plant Bug female laid eggs. Overwinter as eggs lodged in tree bark; eggs hatch in spring when leaves have grown to approximately 1 1/2 inches in length; nymphs eat on top and bottom of leaves; individuals remain until mid-summer; one generation each year. The most dangerous stages are nymphs and adults.