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Flatheaded fir borer

(c) Scott Gilmore, some rights reserved (CC BY-NC), uploaded by Scott Gilmore

Flatheaded fir borer

Phaenops intrusa

insectView on iNaturalist

Plants that support Flatheaded fir borer

2 plants

Bigcone Pine

Pinus coulteri

moderate

tree

Larvae tunnel in wood of stressed/dead trees

Bay Area nativeKeystone species

Knobcone Pine

Pinus attenuata

moderate

tree

Metallic wood-boring beetle; larvae tunnel under bark of stressed trees

Bay Area nativeKeystone species