Wood Borers

Question 1

Three families

Answer 1

Platypodidae (ambrosia beetles)
-Fungus worms
-carry stick fungal spores into galleries
Cerambycidae (long horned borers)
-round headed borers
Buprestidae (flat headed borers, sometimes known as jewel beetles or metallic wood-borers)
-hundred of them
-were covering three from the Genus Agrilus spp.
-2 native, 1 invasive

Question 2

Two-lined chestnut borer

Answer 2

Agrilus bilineatus
-defoliators of oak
-native to North America
-two lines down it’s back
-larval feeding girdles the tree by cutting off water supply via galleries
-kills tree, dead, red, and green from top to bottom
-

Question 3

Bronze Birch Borer

Answer 3

Agrilus anxius
-native to NA
-attacks stressed Birch
-droughts, wounds, etc
-no pruning may or June bc the borers are attracted to fresh wounds

Question 4

Emerald ash borer

Answer 4

Agrilus planipennis
-introduced from Asia to Detroit region in 1990’s on packing material in cargo and airplanes
-strong flier and disperses well
-one gen per year but can take up to 2 years to develop
-native ash has no resistance