Biological Studies of Some Soft Scale Insects

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University of Wisconsin--Madison, 1915 - 92 pages
 

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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 4 - This insect, as already indicated, has been found on a wide variety of deciduous shrubs and trees. The following table gives a general idea of the extent of its host plants» 5 TABLE OF FOOD PIAFES Lecanlum corni Bouche Sazifragaoeae Currant Ribes spp.
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...
Page 20 - At the time the young hatch they are entirely surrounded by the body wall of the dead female.

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