31. Also, the forest pine bark beetle is eating many trees in Canada and the United States. 32. However, Rocky Mountain lodgepole forest dynamics are also heavily influenced by insect outbreaks, primarily bark beetles . 33. They emerge in the spring and fly to lower parts of trees to hunt bark beetles . 34. Q : I have lost all the trees in my back yard to pine bark beetles . 35. However, the recent migration of pine bark beetles has caused massive damages to the pine forests. 36. It also stresses trees, making them more susceptible to different fungi and insects, particularly bark beetles . 37. The larvae enter the scolytid galleries and feed on the immature stages of the bark beetles . 38. Specialist predatory beetles find bark beetles ( their prey ) using the pheromones the bark beetles produce. 39. The blaze consumed pine trees ravaged by years of drought and an infestation of tree-killing bark beetles . 40. _Droughts could intensify economic and environmental loss from wildfires and damage to forests from pine bark beetles .
