The shothole borer is a small beetle that can kill an entire tree by boring round holes the size of the tip of a ballpoint pen into a tree’s bark. A beetle is shown in an entry hole above.
20 A NEW INSECT IN CALIFORNIA KNOWN AS EUWALLACEA INTERJECTUS IT'S A THIRD SPECIES OF SHOT HOLE BORER THAT WASN'T PRESENT IN CALIFORNIA IN THE PAST :31) A TREE BORING BEETLE PREVIOUSLY RESTRICTED ...
Just two millimetres in size, the tiny shot-hole borer can kill ... and genetics of insects. "It's about 1-2 millimetres in size, it's about a sesame seed. It attacks trees and it eats the wood ...