294 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 5 



merit that the leaves and twigs had much the appearance of having 

 been affected with mildew. August 4, leaves of plum injured by this 

 mite were received from Mr. W. N. Cole, Salt Lake City, Utah. 

 Mr. Cole stated that they also injured the leaves of apple. On the 

 31st a section of bark of pear covered with eggs of this mite was also 

 received from Mr. Cole. September 11, a section of bark of apple 

 or pear covered with the eggs of the mite was received from Mr. J. 

 P. Sorensen, Salt Lake City, Utah. December 13, Mr. W. H. Owen, 

 of Catawba Island, Ohio, sent twigs of peach infested with the eggs 

 of this species. The writer also observed the eggs in great abundance 

 upon the twigs of both peach and plum on Catawba Island at about 

 this time or a little later. 



March 5, 1898, apple twigs bearing the eggs of this species were 

 received from W. McOrr, Fruitland, Ontario, Canada. April 13, 1898, 

 twigs of Prunus simonii, with eggs of this mite attached, were re- 

 ceived from Mr. U. G. Keeney, Queens Grove, Ind. May 20, 1898, 

 a mite was received from Mr. Marcus J. Smith, Squaretop, Pa., to- 

 gether with the statement that it attacked radishes, lettuce, onions 

 and small buckwheat, but appeared to be worse on small onions. 

 November 16, 1898, the eggs of this mite were received on chestnut 

 from Parry Bros., nurserymen. Parry, N. J. December 22, 1898, 

 Dr. James Fletcher, Dominion Entomologist, Ottawa, Canada, 

 transmitted specimens received from a Mr. Shepherd, Richmond, 

 Kan., who stated that they appeared in myriads in November of that 

 year and stayed throughout the winter until the following June. 



January 13, 1899, eggs of this species were sent by Mr. H. C. Peck, 

 Brighton, N. Y., on twigs of plum. Three days later the eggshells 

 of this mite were received from California through Mr. M. D. Pierce, 

 of the California Department of Vegetable Pathology. May 19, 

 dead specimens of the mite were sent by Mr. W. Holden, Aurora, 111., 

 with the report that there were millions of them, and that they 

 crawled into the house, covering the window casings and glass. June 

 28 of the same year specimens were received from Mr. J. E. Butler, 

 Mesa, Ariz., on leaves of peach. September 8, twigs of pear with 

 numerous eggs of this species were received from Mr. H. P. Olcott, 

 Deming, N. M., with the complaint that the mites were destroying 

 the fruit trees in that vicinity. They were at the time working on 

 the Bartlett pear, apple, and yelloAv egg-plum. The pest had not 

 previously been observed in that locality. October 5, pieces of bark 

 of almond infested by eggs of this species were received from Mr. 

 F. Austin, Escondido, Cal. December 27, a twig containing eggs of 

 this insect was received from Mr. G. G. Atwood, Geneva, N. Y. 

 January 23, 1900, mites which were evidently infesting a bed- 



