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acute Adult Female Agric anal cleft anal plates anal ring setae antennae apical setae appendages badly infested bark Black locust Box elder Bull C. E. Brown caryae Cedarburg chitin color conspicuous convex cottony maple scale Currant derm pores dorsally dorsum ecdysis Fitch flattened hickory Hist histoblasts honey dew secretion Honey locust host plant Howard Hyperaspis innumerabalis Johnson July June kerosene emulsion large numbers larvae were observed Lecanium caryae Lecanium corni linden males emerge marginal spines microns Microscopically migration Milwaukee molt Norway spruce ocelli oorni oval oviposition ovisac parasites pear pest Physokermes piceae Plate VII Plate XI plum Poison ivy propupal Pulvinaria vitis pupa puparia puparium Rathv Scale Insects second molt second stage larva segmented shade trees Slingerland soale soft maple Soft Scale Insects South Milwaukee species spiracular spines Spiraea Stevens Point sumac thru Tilia twigs underside vitis Linn week width young larvae
Page 24 - It presents a very ourious appearance when alive, capped with a large transparent viscid globule of honey dew and clothed basally with a thin sheath of white wax.
Page 10 - Eggs under observation on different hosts began to hatch during the first days of July.
Page 10 - That this short period of rest is not essential to the life of the insect...
Page 21 - As the oval pinkish eggs are laid the internal structures of the females shrink until the organs have become obliterated and persist as a thin septum dividing the egg chamber into halves« The anal cleft by the revolution of the body of the female lengthens and comes to lie dorsally.
Page 12 - Figs 7 and 8) is smooth, broadly oval, slightly convex, with transverse darker markings plainly visible on tfre lighter specimens,. The comparative size with that of the male is indicated on Plate II.
Page 13 - Transfers» A number of experiments were undertaken in view of definitely determining...