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  • Spring and fall cankerworms | UMN Extension
    Cankerworms (inchworms) cause defoliation in shade trees They are found on elm, apple, hackberry, basswood, oak, boxelder, maple and ash trees as well as shrubs growing beneath heavily infested trees
  • Cankerworms | Entomology
    Spring and fall cankerworms feed on many different hosts but are most notable on elms, oaks, maples, ash, beech, hackberry, and linden trees Both species of cankerworms begin feeding at budbreak, initially causing small BB-sized holes in leaves between the veins
  • Fall Spring Cankerworms: Damage, Treatment Control | Davey Tree
    Cankerworms are caterpillars of several North American moths that have wingless females Cankerworms feed on the buds and leaves of trees in early spring and can be a major pest Elm, oak apple are favorites However, wide varieties of tree species may be susceptible
  • Cankerworms - The Morton Arboretum
    There are two species of cankerworms, the fall and spring cankerworms The names refer to the season during which their eggs are laid The eggs of both species will hatch about the time buds on trees begin to open in spring
  • Cankerworm [fact sheet] | Extension
    The spring cankerworm (Paleacrita vernata) and the fall cankerworm (Alsophila pometaria) are native pests to the deciduous forest, shade, and ornamental trees of North America Periodic outbreaks of these pests cause serious defoliation
  • Cankerworms | USU
    Cankerworms, also known as inchworms, are in the order Lepidoptera and family Geometridae Geometrid moth adults have slender bodies and relatively large, broad forewings
  • How to Get Rid of Cankerworms: Treatment and Control | Orkin
    Protect your home or business from cankerworms by learning techniques for identification and control How do I get rid of cankerworms? A non-chemical, but limited cankerworm control option available to homeowners is to place a band of sticky adhesive on the host tree trunk
  • Cankerworm on Trees - University of Maryland Extension
    There are two species of cankerworms that can be a problem on shade trees: spring cankerworm (Paleacrita vernata) and fall cankerworm (Alsophila pometaria) They attack many forest and shade trees but prefer apple, elm, oak, hickory, linden, birch, beech, and maple
  • How to identify and get rid of cankerworms
    Cankerworms, also known as inchworms, are the iconic caterpillar we see in media today They fold themselves up to then stretch and inch their way along a branch or leaf There are two species of concern in North America: the fall and spring cankerworm
  • Fall Cankerworm - Penn State Extension
    Therefore it is not surprising that this insect is found in Pennsylvania's forests This pest is in the insect family Geometridae The larval stage of members in this family are called inchworms, loopers, or measuringworms





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