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Jeffrey pine trees killed by the Jeffrey Pine Beetle – Little Valley, Near Reno, NV 1998

Jeffrey pine trees killed by the Jeffrey Pine Beetle – Little Valley, Near Reno, NV 1998. Pitch tubes: Jeffrey pine beetle attacking Jeffrey pine tree. Mark McGregor, USDA Forest Service. Pine engraver beetle, Ips pini Colonizing Jeffrey pine log.

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Jeffrey pine trees killed by the Jeffrey Pine Beetle – Little Valley, Near Reno, NV 1998

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  1. Jeffrey pine trees killed by the Jeffrey Pine Beetle – Little Valley, Near Reno, NV 1998

  2. Pitch tubes: Jeffrey pine beetle attacking Jeffrey pine tree Mark McGregor, USDA Forest Service

  3. Pine engraver beetle, Ips pini Colonizing Jeffrey pine log

  4. JH treated male D. jeffreyiantisense probe to HMG-R rectum Hall Pheromone production occurs In midgut of bark beetles crop Ventriculus (midgut)

  5. 6 10 5 4 3 2 9 1 0 -1 0 5 10 15 20 25 30 35 8 -2 Thiolase HMG-S -3 HMG-R Decarboxylase -4 Isomerase GPPS Males 7 -5 FPPS -6 -7 Time (h) 6 5 (Relative Expression) (+SE) 4 3 2 1 2 log 0 MK IPPI -1 GPPS MPDC AACT HMG-S HMG-R FPPS -2 Pheromone-Biosynthetic Gene Expression Profiles: Localized to anterior midgut Induced by feeding or JH treatment Basal expression levels higher in males than females

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