Beetle activity deep inside wood was studied in field (Mt. Yoshida. Kyoto) and laboratory conditions by monitoring the type and amount of frass ejected from beetle galleries of Platypus quercivorus. Twenty-one galleries were selected from five infested Quercus serrata trees for field studies. https://www.jmannino.com/hot-mega-Elk-Scrimshaw-Obsidian-Knife-super-value/