1. UC IPM
White frass and tunnels of oak ambrosia beetle, <I>Monarthrum scutellare,</I> and red boring dust from oak bark beetle, <I>Pseudopityophthorus pubipennis,</I> on coast live oak bark.
White frass and tunnels of oak ambrosia beetle, Monarthrum scutellare, and red boring dust from oak bark beetle, Pseudopityophthorus pubipennis, on coast live oak bark.
Credit: Pavel Svihra