WSU Extension

Hortsense

Pine
 
Disease
Armillaria root rot 
Dwarf mistletoe 
Elytroderma needle cast 
Lophodermella needle cast 
Lophodermium needle cast 
Phytophthora root rot 
Western gall rust 
White pine blister rust 
Insect
Coneworms 
Eriophyid mites 
European pine shoot moth 
Mountain pine beetle 
Pandora moth 
Pine aphid 
Pine bark adelgid 
Pine butterfly 
Pine needle scale 
Pine needle sheathminer (Pine sheath miner) 
Sequoia pitch moth 
Spider mites 
White pine weevil 



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Caption: Pandora moth adult
Photo by: Unknown
  
Pine : Pandora moth
(revision date: 4/23/2014)


Biology
Pandora moth larvae are brownish- to yellowish-green, spiny, and about one inch long at maturity. The larvae feed on the needles of pines, especially ponderosa, Jeffrey, and lodgepole. The stubs of eaten needles remain on the twigs and the crowns of infested trees are often thinned. The larvae may cause severe defoliation when there are large outbreaks. They travel in single file when moving to new feeding areas. The adult is a brown-gray moth with black markings on the wings. This is a sporadic pest of forest and landscape trees.
Management Options


Non-Chemical Management
  • Remove and destroy larvae by hand to control minor infestations.
  • It may be necessary to prune to improve the appearance of severely defoliated trees.
Select non-chemical management options as your first choice!

Chemical Management

None recommended

Images

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Caption: Pandora moth adult
Photo by: Unknown