141 



Kramer, F. C. W. , Jr. 1952. My experience with citrus tree snails. 

 Kramer Co. , Fla. 5 p. 



Krantz, G. W. 1975. A manual of acarology. O.S.U. Book Stores, Inc. 

 Corvallis, Oregon. 335 p. 



Lawrence, F. P. 1950. Field observations of the manatee snail. Fla. 

 Ext. Serv. Bull. 100. 4 p. 



, and L. G. Albrigo. 1974. Feeding behavior and nature of 



injury to the orange caused by citrus rust mite, Phyllocoptruta 

 oleivora (Prostigmata:Eriophyoidea) . Ann. Ent. Soc. Amer. 68: 

 289-297. 



McCoy, C. W., A. G. Selhime, R. F. Kanavel , and A. J. Hill. 1971. 

 Suppression of citrus rust mite populations with application of 

 fragmented mycelia of Hirsutella thompsonii . J. Invert. Path. 

 17:270-276. 



Mohamed, I. I. 1964. Host preference of the citrus brown mite, 



Eutetranychus banksi . Bull. Soc. Entomol . Egypte. 48:163-170. 



Muma, M. H. 1955. Observations on the biology of the citrus tree snail 

 Citrus Ind. 1:6-9, 21. 



, and A. G. Selhime. 1963. Evaluation of the citrus tree 



snail, Drymaeus dormani : (Binney) , in Florida citrus groves. Proc. 

 Fla. State Hort. Soc. 76:55-56. 



1965. Populations of common mites in Florida citrus 



groves. Fla. Entomol. 48:35-46. 



Norris, R. E. 1946. Some observations on the control of citrus pests 

 by tree snails in Lake County. Citrus Ind. 28(9):3, 10, 11. 



. 1955. Dear Mr. Citrus Grower, Fla. Agr. Ext. Serv. 2 p. 



Oldfield, G. N., R. F. Hobza, and N. S. Wilson. 1970. Discovery and 

 characterization of spermatophores in Eriophyoidea (Acari). Ann. 

 Entomol. Soc. Amer. 63(2):520-526. 



, I. M. Newell, and D. K. Reed. 1972. Insemination of 



Protogynes of Aculus cornutus from spermatophores and description 

 of the sperm cell. Ann. Entomol. Soc. Amer. 65(5) :1080-1084. 



Osburn, M. R. , and W. Mathis. 1944. Effect of cultural practices on 

 citrus rust mite. J. Econ. Entomol. 37(6) : 767-770. 



Pilsbry, H. A. 1899. Land Mollusca of North America. Man. Conchology. 

 2(l):23-24. 



. 1946. Land Mollusca of North America. Acad. Nat. Sci . 



Phila. 302(1):21-31, 37-39. 



