Perhaps the most significant threat to Japanese black pine trees is the pinewood nematode ... Promoting natural enemies — from birds to the good bugs that'll chase pests from your garden ...

Japanese black pine trees (Pinus thunbergii) along the coast exhibit increased resistance to tsunamis and strong winds when they have deeper roots, which correlate with taller tree height.

Study identifies coastal black pine trees resistant to tsunamis and strong winds. ScienceDaily . Retrieved February 5, 2025 from www.sciencedaily.com / releases / 2025 / 01 / 250108144013.htm ...

There, wedged into narrow channels carved into the wood, were tiny black larvae ... that do kill trees tend to target highly stressed ones. The mountain pine beetle is the bad bug of the bunch.

DNR Staff Report More and more homeowners are becoming alarmed over the “worms” that are devouring the needles of their pine trees, according to the Minnesota Department of Natural Resources .