Insects of Shade Trees and Their Control. 
Fie. 21.—The imported elm leaf-beetle: a, Foliage of European elm showing 
method of work of beetle and larva; b, adult beetle: c, egg mass; d, young 
larve; ec, full-grown larva; f, mouth parts of full-grown larva; g, pupa; a, 
Natural size; b, c, d, e, g, greatly enlarged; f, still more enlarged. (Howard.) 
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