ForesTree - A Guide to Tree Health

Pest and Disease Information

Gray Pine
  • Pinus sabiniana - Resistant to Texas Root Rot and Verticillium. Susceptible to Aphids, California Five Spined Engraver Beetle and IPS, Pitch Canker, Mistletoe, Western Gall Rust and Oak Root Rot. Additional and expanded information listed below.

  • For further tree information:
       SelecTree (1073) | Silvics of North America
GRAY PINE
10 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...

Western Gall Rust
Endocronartium. harknessii

Endocronartium_harknessiiWestern gall rust forms globose to fusiform galls form on the branches or trunk of infected trees. On large trees this results in a hip-canker. The fungus produces powdery yellow-orange spores on surface ...

Black pineleaf scale
Nuculaspis californica

Nuculaspis_californicaOutbreaks of black pineleaf scale are often associated with smog and dust. The insect feeds only on the needles and is yellowish-brown to black and broadly oval in outline. The injured needles turn yello...

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....