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A History of the County of Somerset
… extension of range on the part of the species is the true cause of the apparent or real increase in numbers. There … and offers but little attraction to these animals. Another cause that has tended to shorten the list has been the …
A History of the County of Somerset
… harm to apple, plum and cherry; while the grubs cause even greater damage by eating the grass-roots in … ( Tipula oleracea, Linn.), which is sometimes the cause of enormous damage to corn and turnip crops, the grub … two species of gnat of the genus Anopheles are the direct cause of malarial fever. 11 Culicid Culex ciliaris, L. …