Test PB Collection: FTE

Native reproductive host: Blue palo verde, Cercidium floridum Palo verde, Cercidium aculeata Reproductive host: Brea, Cercidium sonorae Symptoms: staining, frass Other pests: UC IPM Resources: USDA Profiles - Blue palo verde, Palo verde Staining from PSHB attack on native palo verde.

Reproductive host Symptoms: gumming, staining Other pests: UC IPM Resources: USDA Profile PSHB symptoms are difficult to see on the rough bark of red flowering gum.

Native reproductive host Symptoms: staining, frass Other pests: UC IPM Resources: USDA Profile Staining and frass around a PSHB entry-hole on red willow.

Reproductive host Symptoms: staining, gumming Other pests: No known pests of Titoki in CA Resources: New Zealand Plant Conservation Network, UCANR Publication Gumming and staining on Titoki, caused by PSHB.

Invasive reproductive host Symptoms: gumming, staining Resources: Cal-IPC, USDA Profile, US Forest Service Gumming symptoms on Tree of Heaven with a knife for scale.

Reproductive host Symptoms: staining Other pests: UC IPM Resources: USDA Profile Dried staining around PSHB entry-holes on trident maple.

Native reproductive host Symptoms: staining Other pests: UC IPM Resources: USDA Profile PSHB symptoms can be difficult to see on valley oak bark.

Reproductive host Symptoms: staining Other pests: UC IPM Resources: USDA Profile Staining from PSHB activity on weeping willow.

Native reproductive host Symptoms: staining Other pests: UC IPM Resources: USDA Profile Staining and PSHB entry-hole on white alder.

Susceptible to Fusarium dieback Symptoms: gumming, staining Other pests: UC IPM Resources: USDA Profile Olive, a non-reproductive host, responds to PSHB attack with gumming symptoms.