ForesTree - A Guide to Tree Health

Pest and Disease Information

Coulter Pine
  • Pinus coulteri - Resistant to Texas Root Rot and Verticillium. Susceptible to Aphids and Beetle Borers, Pitch Canker. Additional and expanded information listed below.

  • For further tree information:
       SelecTree (1041) | Silvics of North America
COULTER PINE
11 Records Found
Disease or Pest NameDescription of Disease or Pest

Annosus root disease
Heterobasidion annosum

Heterobasidion_annosumSymptoms of Annosus root disease include fading of crowns to light green, thinning crowns, chlorotic foliage, reduced height growth, and ultimately death. Trees affected often occur as small groups. As t...

Dwarf Mistletoe
Arceuthobium occidentale

Arceuthobium_occidentaleSmall, yellow, leafless parasitic flowering plants. Reduces tree vigor (yellowing foliage) and can lead to mortality.

Oak root fungus
Armillaria mellea

Armillaria_melleaArmillaria cases reduced terminal growth and general decline in affected plants, As the Armillaria advances dieback of twigs and branches (most apparent in hardwoods) can occur. Crown symptoms include chl...

Pitch Canker
Fusarium circinatum

radiataPitch canker causes cankers/necrotic areas of bark on the main stem and lateral branches of affected trees. Pitch may stream from cankers. The cankers cause top kill and branch dieback. Flagging of branch...

California fivespined engraver
Ips paraconfusus

ips_paraThe California fivespined ips kills saplings, pole sized trees, young trees up to 26 inches in diameter and the tops of even larger trees. It often breeds in slash and recently downed material and spreads...

California flatheaded borer
Melanophila californica

Melanophila_californicaThe California flatheaded attacks trees in rocky soil and fringe stands where soil moisture is limiting. It also attacks old and unhealthy trees. Healthy trees are not immune, but less susceptible. Adul...

Carpenter ant
Camponotus spp.

adultCarpenter ants tunnel in the wood of stumps, logs, and standing dead trees. They are black or black and red and are 7 to 15 mm long. They do not eat the wood, feeding mostly on other insects. They have ...

Ips
Ips spp.

Ips_spp_adultIps kills saplings, pole sized trees, young trees up to 26 inches in diameter and the tops of even larger trees. It often breeds in slash and recently downed material and spreads from there to live trees....

Mountian Pine Beetle
Dendroctonus ponderosae

Dendroctonus_ponderosaeThe mountain pine beetle often kills trees in small groups. Many times these trees are weakened by fire, drought, dwarf mistletoe, rust, or smog. Generally only trees over 10 inches in diameter will be a...

Red turpentine beetle
Dendroctonus valens

Dendroctonus_valens_frassThe red turpentine beetle most often attacks trees are weakened by fire, drought, dwarf mistletoe, rust, or smog. It can attack freshly cut logs and stumps. Often attacks trees in campgrounds and around ...

Western pine beetle
Dendroctonus brevicomis

Dendroctonus_brevicomisThe western pine beetle often kills trees in small groups. Many times these trees are weakened by fire, drought, dwarf mistletoe, rust, or smog. Generally only trees over 6 inches in diameter will be att...