Understand EAB Damage Mechanism

built in the late ' 80s, 90s, early 2000s. And emerald ashbor likes to travel up and down highways and main roads because one of the main ways it travels far distances is it gets on vehicles in firewood. Um that's how it kind of moves around. So we always find it first off of main [music] highways. Huh. I'd like to see what one of these things looks like. I don't think we'll be able to find them today. [music] Uh they're very small and fast and once they kill a tree they they just kind of move on. Uh there's lots of pictures of him on the internet. I was just going to say Dan the man. Let's pop a couple pictures up for these guys. Right here. This is the boar. What he did. We could we could take a look at uh what an exit hole would look like though. Here's a couple of exit holes right here. That's what she said. See if Dan can focus in on that. You notice how they're shaped like a D. They call it a D-shaped exit hole. Oh yeah. There's the the flat part and then circular on the bottom. Right. It's cuz it's a flatheaded bore. When they exit the tree as an adult, that's they create they create that D-shaped hole. And how how how the emerald ashbor kills the tree. It's not the adult beetle that actually kills the tree. The adult female, she she's going to come to the tree. She's going to lay her eggs in the furrows or the galleries of the bark. They're going to hatch as a pupy larvae or also called an agralis. And that argalis is going to bore into the tree and live underneath the bark in the tree's vascular system for up to two years feeding on the camium, the xyllem, the plum tissue, basically cutting off the flow of water and nutrients up the trunk of the tree. And then and then when we see these exit holes, the damage has already been done and they're they're exiting as an adult. And they're either if the tree is alive, they'll they'll stay on the tree. They'll lay their eggs here. Or if the tree is dead and there's nothing else to them there, they'll fly and find another one.