Forest Pests

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Forest Pests

  1. 1. Forest Insect Pests
  2. 2.  Dieback in upper crown.  Suckering (epicormic branching) on the tree’s trunk.
  3. 3.  Vertical splitting.  “D” shaped exit holes.  Tunneled galleries underneath bark.
  4. 4. February 27, 2013 Western MD Forest Pest Update Red belly woodpeckers most common EAB predator in MD
  5. 5.  Callidiellum rufipenne  Native Range: East Asia (China, Korea, Japan)  In its native range it is considered a secondary pest, attacking weakened or freshly felled conifers • In US it has been seen attacking healthy trees •Hosts: Native Range: Japanese Cedar (Cryptomeria japonica), Hinoki cypress (Chamaecyparis obtusa), Sawara cypress (Chamaecyparis pisifera), false arborvitae (Thujopsis dolabrata), firs (Abies spp.) and pine (Pinus spp.) Connecticut Agricultural Experiment Station Archive, Connecticut Agricultural Experiment Station, Bugwood.org Male Female
  6. 6.  Hosts, continued:  Introduced range in the US and Europe: eastern red cedar (Juniperus virginiana), American arborvitae (Thuja occidentalis), juniper (Juniperus communis), Monterey cypress (Cupressus macracarpa), Atlantic white cedar (Chamaecyparis thyoides (L.)
  7. 7.  Lifecycle:  Adults emerge in early spring  Females lay eggs late spring  Larva hatch and borrow under bark, feeding and forming serpentine galleries just beneath the bark  Beetle pupate in the fall and overwinter as adults inside the host Connecticut Agricultural Experiment Station Archive, Connecticut Agricultural Experiment Station, Bugwood.org Typical Damage Connecticut Agricultural Experiment Station Archive, Connecticut Agricultural Experiment Station, Bugwood.org
  8. 8. Anoplophora glabripennis 1-1 ½ inch in length Long antennae (longer then the insects body) banded with black and white Shiny black body with distinctive white spots May have blue feet USDA-APHIS- PPQ
  9. 9. Signs of ALB Fra Dime-sized exit holes Trunk with ALB exit holes – heavily infested Frass at the base of tree and near exit holes USDA-APHIS-PPQ all photos
  10. 10. Found in Maryland NOT found in Maryland X X Asian longhorned beetle Look-a-Like
  11. 11. What to do if you find something suspicious?? Call HGIC: 800-342-2507  Call MDA, PP & WM Section at 410-841- 5920  Email: kimberly.rice@maryland.gov
  12. 12. Phone Numbers: MDA Headquarters 410 841-5920 Robert Trumbule 301 982-3224

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