minnesota first detectors 3/4 to 1 1/2 inches long glossy black with up to 20 white spots long...
TRANSCRIPT
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
MALE FEMALE
M. Bohne, Bugwood.org
PDCNR, Bugwood.com
Minnesota First Detectors
Which Beetle is ALB?
33%
33%
33% A. Insect A
B. Insect B
C. Insect C
A B C
PDCNR, Bugwood.com
L. Lazarus, NC Div. of For. Res., Bugwood.org
K. Law, USDA APHIS PPQ, Bugwood.org
W. Cranshaw, CO State Univ., Bugwood.org
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
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
Which Larva Could Be ALB?
0%
67%
33% A. Insect A
B. Insect B
C. Insect C
A B C
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?
33%
67%
0% A. Insect A
B. Insect B
C. Insect C
A B C
PDCNR, Bugwood.com
R. Anderson, USDA FS, Bugwood.org
D. Haugen, USDA FS, Bugwood.org MN DNR, Bugwood.org
Minnesota First Detectors
S. Katovich, USDA FS, Bugwood.org
Which One is Due to ALB?
0%
100%
B
PDCNR, Bugwood.com
A. Tree A
B. Tree B
D. Haugen, USDA FS, Bugwood.org
A