FOREST INSECT PESTS Forest Insect Pests

Japanese BeetlePopillia japonica

Gypsy Moth Lymantria dispar

Emerald Ash BorerAgrilis planipennis

Symptoms of EAB

Dieback in upper crown. Suckering (epicormic

branching) on the tree’s trunk.

Signs of Emerald Ash Borer

Vertical splitting. “D” shaped exit holes. Tunneled galleries

underneath bark.

February 27, 2013 Western MD Forest Pest UpdateRed belly woodpeckers most common EAB predator in MD

JAPANESE CEDAR LONGHORNED BEETLE CALIDIELLUM RUFIPENNE

Japanese Cedar Longhorn Beetle

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

MaleFemale

Japanese Cedar Longhorn Beetle 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.)

Japanese Cedar Longhorn Beetle

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

Asian Longhorned BeetleAnoplophora glabripennis

Asian longhorned Beetle (ALB)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

Asian Longhorned Beetle

Signs of ALBFra

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

Found in Maryland

NOT found in Maryland

X XAsian longhorned beetle

Look-a-Like

Invasive Species Monitoring in MD

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

Phone Numbers:

MDA Headquarters410 841-5920Robert Trumbule301 982-3224