minnesota first detectors complimentary materials riker mounts look alike damage from u of mn pdcnr,...
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Minnesota First Detectors
Complimentary materials
Riker mounts Look alike damage from U of MN
PDCNR, Bugwood.com
Minnesota First Detectors
● 3/4 to 1 1/2 inches long
● Glossy black with up to 20 white spots
● Long antennae (1 to 2 1/2 times body length) with distinctive white bands
● Feet with a bluish tinge
The Asian longhorned beetle
PDIL, Bugwood.org
PDCNR, Bugwood.com
Minnesota First Detectors
Adults
FEMALE MALE
M. Bohne, Bugwood.org
PDCNR, Bugwood.com
Minnesota First Detectors
Which beetle is ALB?
W. Cranshaw, CO State Univ., Bugwood.org
K. Law, USDA APHIS PPQ, Bugwood.org
L. Lazarus, NC Div. of For. Res., Bugwood.org
PDCNR, Bugwood.com
Minnesota First Detectors
● 2 3/8 inches long, legless
● Cream-colored body
● Brown “shield” behind head
● Brown mouth parts
● Difficult to distinguish from other longhorned beetles
Larvae
PDCNR, Bugwood.org
PDCNR, Bugwood.org
D. Haugen, USDA FS, Bugwood.org
PDCNR, Bugwood.com
Minnesota First Detectors
Which larva could be ALB?
J.
So
lom
on
, U
SD
A F
S,
Bu
gw
oo
d.o
rg
US
DA
AP
HIS
PP
Q,
Bu
gw
oo
d.o
rg
PDCNR, Bugwood.com
Minnesota First Detectors
Egg niches
● Round to oval shaped
● 3/4-inch diameter
Cutaway showing egg
L. Barber, USDA FS, Bugwood.org
Oozing sap
D. Haugen, USDA FS, Bugwood.orgD.
Ha
ug
en
, U
SD
A F
S,
Bu
gw
oo
d.o
rg
D.
Ha
ug
en
, U
SD
A F
S,
Bu
gw
oo
d.o
rg
PDCNR, Bugwood.com
Minnesota First Detectors
Exit holesPN DCNR, Bugwood.org
D. Haugen, USDA FS, Bugwood.org
● 3/8-inch diameter
● Round shaped
● Should be able to insert the eraser-end of a pencil at least one inch into the hole
Patricia Douglass, USDA APHIS-PPQ
PDCNR, Bugwood.com
Minnesota First Detectors
Exit holes & egg niches
PN DCNR, Bugwood.org
T. Denholm, NJ DA, Bugwood.org
Patricia Douglass, USDA APHIS-PPQ
PDCNR, Bugwood.com
Minnesota First Detectors
Frass
PN DCNR, Bugwood.org
L. Barber, USDA FS, Bugwood.org
● Created by tunneling larvae
● Coarse sawdust
● Accumulates at base of tree and crotches of branches
PDCNR, Bugwood.com
Minnesota First Detectors
Tunneling
L. Barber, USDA FS, Bugwood.org
E.R. Hoebeke, Cornell Univ., Bugwood.org
L. Barber, USDA FS, Bugwood.org
PN DCNR, Bugwood.org
PDCNR, Bugwood.com
Minnesota First Detectors
Which damage is from ALB?
D. Haugen, USDA FS, Bugwood.org
R. Anderson, USDA FS, Bugwood.org
MN DNR, Bugwood.org
PDCNR, Bugwood.com
Minnesota First Detectors
Which one is due to ALB?
S. Katovich, USDA FS, Bugwood.org
D. Haugen, USDA FS, Bugwood.org
PDCNR, Bugwood.com