4to - 25 x 16 cm.; 100 pp. Stiff photographic covers. The abstract from page 3: ". . . All insect species or groups that have caused damage to larch, cedar and juniper in Canada east of the Rocky Mountains are included. About 80 species are treated and of these 43 are found on larch, 22 on cedar and 16 on juniper . . . 150 coloured illustrations . . . biological sketches . . ." The covers are mildly scuffed, previous owner's name on the front cover and first blank page. The interior is clean and the binding is solid.