Quercus acuta tree died アカガシのナラ枯れ被害

A Quercus acuta tree died for a disease that the beetle Platypus quercivorus transmits.

October 2016. In the hill forest area, Takarazuka, Hyogo, Japan

Quercus serrata trees have died　ナラ枯れ　

http://blogs.yahoo.co.jp/naturetakarazuka/14420628.html

Quercus acuta　アカガシ　

http://blogs.yahoo.co.jp/naturetakarazuka/14579995.html