Aleurodes Marlatti, n. sp.Egg.— Size about. 1 mm. × .2 mm., exclusive of stalk, which is quite short, holding egg in upright position of leaf; regularly elliptical in outline. Colour, dirty yellowish brown, as seen on leaf; under transmitted light, yellowish. Shell without markings or sculpturing of any kind.Larva.— Broadly elliptical. Colour, except in first stage which is yellowish, brownish to brownish black, varying in some specimens to an iridescent blue black; in later stages, margined all around with a short, rather squarely-trimmed, white waxy secretion, from the marginal wax tubes.