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Transverse Ranges
![Western pine beetle](https://static.wixstatic.com/media/80da86_249b6f0f692b4cfeb548969894ee24c3~mv2.png/v1/fill/w_35,h_35,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/western-pine-beetle-1.png)
![Dwarf mistletoe](https://static.wixstatic.com/media/80da86_f0e6948a311a46e2a9fa78bb228582ad~mv2.png/v1/fill/w_35,h_35,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/dwarf-mistletoe-1.png)
![Douglas fir tussock moth, William M. Ciesl](https://static.wixstatic.com/media/80da86_79444eac714a4d388f4835a10c812cd0~mv2.jpg/v1/fill/w_52,h_35,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/Douglas%20Fir%20Tusset%20Moth%20William%20M_%20Ciesl.jpg)
![Transverse region](https://static.wixstatic.com/media/80da86_2febd4fb31594b4386ae74bd52072c47~mv2.png/v1/crop/x_876,y_1242,w_1101,h_770/fill/w_259,h_181,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/Transverse.png)
Transverse Ranges
These east-west-oriented mountains are located north of the greater Los Angeles Metropolitan area. They feature low-elevation chaparral, oak woodland and savanna, and pinyon-juniper woodlands, and higher-elevation forests that include white fir, Jeffrey pine, sugar pine, and lodgepole pine.
Typical insect and disease problems
• Native bark beetles including Ips, Scolytus, and Dendroctonus species
• Heterobasidion root disease
• Douglas-fir tussock moth
• True mistletoes in oaks
• Dwarf mistletoes in conifers
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