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  • Lecanium Scales | Entomology
    Lecanium scales are a group of closely related soft scale insects As a group, they are semi-globular brown scales that can be 1 8 inch to 1 6 inch wide (depending on the species) Some of the most famous lecanium scales are oak lecanium and European fruit lecanium
  • Lecanium Scale Insects - NC State Extension Publications
    Lecanium scales lay 1,000 to 5,000 eggs each in April and May As the eggs are laid, the body of the scale shrinks against the outer skin to form a helmet-like protective shield Flat, pale crawlers soon hatch and move to the leaves in late May and early June where they feed until late summer
  • Oak Lecanium Scale - University of Maryland Extension
    Oak lecanium scale (Parthenolecanium quercifex) is a native type of soft scale insect that can be difficult to manage Their waxy body covering shields them from predators and certain pesticides
  • Lecanium Scale | Extension | West Virginia University
    A lecanium scale is a semi-globular, soft-bodied, brown scale insect found on many shrubs and shade trees in the landscape It overwinters as an immature nymph on the branches of infested trees
  • Lecanium Scale - Signs, Symptoms, Treatment
    Lecanium scale is a group of common soft scale insects that feed on the sap from shade trees and woody ornamentals If left uncontrolled, one or two major infestations can kill your tree Currently, these insects are in their crawler stage feeding on the sap of the tree’s leaves
  • Lecanium Scales - University of Illinois Urbana-Champaign
    The lecanium scales range in size from the 1 8-inch terrapin scale up to the 1 2-inch hickory lecanium scale The different lecanium scales show distinct preferences for particular hosts
  • What Can I Do About Lecanium Scale Insects?
    To identify and treat lecanium scales, it is important to know which tree species are highly susceptible, what signs to look for, and how to control them Adults can be controlled in the fall and winter with horticultural oil sprays
  • Lecanium Scale - Rainbow Ecoscience
    Lecanium scales are common insect pests that infest a wide range of species There are approximately one dozen different species of these soft scales that are difficult to distinguish from one another visually
  • Lecanium Scale (Part One) - Russell Tree Experts
    Lecanium is a genus in the family Coccidae Within this genus there are many different species of scale insects, but fortunately they are very similar in their appearance, feeding habits, and life cycle This helps arborists identify the insect when populations reach a threatening level on a plant
  • Common Insects and Mites: Lecanium scale - Washington State University
    Lecanium scales are a complex of scale species ranging from variously mottled to all brown The mature female scales look like bumps on twigs, while the mature males are flat, somewhat oval discs





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