Health agents

Question 1

Answer 1

Arceuthobium americanum

Lodgepole Pine Dwarf Mistletoe

DMP

Question 2

Answer 2

Echinodontium tinctorium

Indian Paint fungus

Question 3

Answer 3

Fomes Fomentarius

Tinder Conk

Question 4

Answer 4

Armillaria ostoyae

DRA

Question 5

Answer 5

Phellinus Weirii

DRL

Question 6

Answer 6

Dendroctonus pseudotsugae

IBD

Question 7

Py

Answer 7

Dendroctonus brevicomis

IBW

Question 8

Answer 8

IDC

Larch Casebearer

Question 9

Answer 9

Dendroctonus valens

IBT

Red turpentine beetle

Question 10

Answer 10

Scolytus ventralis

Fir engraver beetle

Question 11

Answer 11

Cronartium ribicola

white pine blister rust

DSB

Question 12

sx

Answer 12

Dendroctonus rufipennis

spruce beetle

IBS

Question 13

Answer 13

Blue Stain

Variety of fungii associated with bark beetles

Question 14

*no frass*

Answer 14

Ips pini

Question 15

**nuptial gallery**

Answer 15

Dryocoetes confusus

IBB

Question 16

Answer 16

Dendroctonus ponderosae

IBM

Mountain pine beetle

Question 17

Answer 17

Arceuthobium laricis

Larch Dwarf mistletoe

DML

Question 18

Answer 18

Endocronortium harknessii

western gall rust

DSG

Question 19

Answer 19

Fomitopsis pinicola

Question 20

Answer 20

Phaeolus schweinitzii

Question 21

What do decay fungi cause?

What trees are susceptible to stem decay?

How is it managed?

How is it transmitted?

Answer 21

Causes heart rots.

most mature conifers in BC are susceptible

Very difficult to manage other than cutting premature forests. Cause lots of economic damage

Transmitted by windborne basidospores from fruiting bodies, some by root contact.

Question 22

Describe hosts of stem decay

How do you ID stem decay

Damage description

Answer 22

some decay are species specific, some attack wide range of species.

Attack dead standing and downed trees

Attack heartwood via scars/other damage/via dead branch stubs

ID: conks, staining of wood, advanced decay(crumby/stringy)

Damage: most are obligate saprophytes.

Question 23

Answer 23

Sequoia pitch moth

Question 24

Answer 24

Bronze birch borer

ISA

“D” shaped entry hole

Question 25

Answer 25

Spruce Gall Adelgid/Aphid

Question 26

Answer 26

AB-bear damage

Question 27

Answer 27

Pissodes Strobi IWS White pine weevil on spruce

Question 28

Answer 28

Pissodes terminalis Lodgepole pine terminal weevil IWP

Question 29

Woodborers: host, ID, Damage

Answer 29

Hosts: windthrow, felled trees, weakened trees-all species ID: Snake-like larval galleries under bark end at entrance hole into sapwood; Adult exit holes on outside of bole-size is species dependent Main galleries with grain Damage: affect grade and value of lumber, weakened trees can be killed

Question 30

pin holes in sapwood, frass

Answer 30

Ambrosia beetle

Question 31

Answer 31

Phellinus pini DDP

Question 32

Answer 32

Spruce Broom Rust