North America's once abundant Canadian hemlock (Tsuga canadensis) may soon become a relic and then a ghost, owing to the invasion of the woolly adelgid (Adelges tsuga annand).
a common name for insects of either species adelges piceae or adelges tsugae
Silbentrennung
a com·mon name for insects of ei·ther spe·cies adelges piceae or adelges tsugae