Christmas tree pests and weeds of different pests, most of which cause cosmetic damage to the trees, important in the Christmas tree industry. The balsam woolly adelgid ("Adelges picae") are small soft-bodied insects which attack the Fraser fir. The insects appear as white, woolly spots on the tree and are fatal to the fir if left untreated. The woolly adeligid was native to central Europe where it affected the silver fir; it was introduced to the United States, where it has no known native predators, before 1900. Balsam twig aphids ("Mindarus abietnus") are another type of tree pest which affects fir and spruce trees in
Alec Garden Fraser Chapel which continues to be admired today and bears testimony to the wisdom of Fraser and Gaster. The chapel is unique among churches in Sri Lanka. Architecturally one could see the best of Sinhala Architecture, with designs and carvings similar to those one could see in Polonnaruwa, an ancient capital of Sri Lanka. It was the first open chapel in the world, when all the others were of gothic type. During his years as Principal, Mr. Fraser obtained a lease of a land from the Asgiriya Temple and levelled it to create a playing field, which was later to become