198 MISC. PUBLICATION 734, U. S. DEPT. OF AGRICULTURE 



Smith, R. H. 



1944 BIONOMICS AND CONTROL OF THE NIGRA SCALE, SAISSETIA NIGRA. Hil- 



gardia 16: 225-288, illus. 

 A thorough study of the coccid in California; description, hosts, dis- 

 tribution, damage, enemies, control. 



Snapp, 0. I., see Alden, C. H., and Snapp, 0. I. 



SOUZA DA CAMARA, M. DE 



1906 SUBSIDIOS PARA ESTUDO DAS COCHONILHAS FORTUGUEZAS. Rev. Agron. 



[Lisboa] 4: 92-95, 148-149, illus. 

 Descriptive information on Targionia vitis, Aulacaspis rosae, Leu- 

 caspis pint; Mytilaspis fulva. 



Spiller, D. 



1943 THE SEASONAL CYCLE OF THE HARD-WAX SCALE IN NEW ZEALAND. New 



Zeal. Jour. Sci. and Technol. 25 (Sect. A) : 129-130. 

 A brief summary of the cycle in Ceroplastes sinensis Del Guer. 



Stafford, E. M., and Barnes, D. F. 



1948 biology of the fig scale in California. Hilgardia 18: 567-598, illus. 

 Life history and descriptive information: leaf -infesting Lepidosaphes 

 ficifoliae same as twig-infesting L. ficus. 



Stafford, E. W. 



1915 studies in diaspinine pygidia. Ent. Soc. Amer. Ann. 8: 67-73, illus. 

 Observations on the pygidial structural characters of 6 coccids. 



Stahl, C. F. 

 1927 a preliminary report on a grass-root mealybug (ripersia radi- 



CICOLA MORRISON) AFFECTING SUGAR CANE IN CUBA. Jour. Econ. Ent. 



20: 392-399, illus. 

 Descriptive and biological information included. 



Starnes, H. N. 



1897 THE SAN JOSE AND OTHER SCALES IN GEORGIA. Ga. Expt. Sta. Bui. 36, 



31 p., illus. 

 Full report on Aspidiotus perniciosus; brief notes on 9 other common 

 coccids. 



Stebbing, E. P. 



1902 [descriptive notes on coccids.] Departmental Notes on Insects that 



Affect Forestry No. 1 : 133-145, illus. 

 Description and life history for Monophlebus stebbingii, M. dalbergiae, 

 M. tectonae. 



1903 [descriptive notes on coccids.] Departmental Notes on Insects that 



Affect Forestry No. 2: 318-323, 332-334, illus. 

 Descriptive and life history notes for Monophlebus stebbingi; M. steb- 

 bingi mangiferae. 



1906 [descriptive notes on coccids.] Departmental Notes on Insects that 

 Affect Forestry No. 3 : 468-469. 

 Monophlebus sp. 



1909 ON SOME INSECT PESTS OF THE HIMALAYAN OAKS (QUERCUS DILATATA 



and Q. incana). Indian Forest Rec. 2: 1-28 (26-28), illus. 

 Description and life history of Kermes himalayensis. 



1910 A NOTE ON THE LAC INSECT (TACHARDIA LACCA),ITS LIFE HISTORY, 



propagation and collection. (Ed. 2, rev.) Indian Forest Mem. 1 

 (3): 33-114 [82 p.], illus. First edition in Indian Forest Rec. 1: 

 1-84, 1908. 



Steinweden, J. B. 



1929 BASES FOR THE GENERIC CLASSIFICATION OF THE COCCOID FAMILY COCCIDAE. 



Ent. Soc. Amer. Ann. 22 : 197-245, illus. 

 A critical comparative study of structures usable in classification; 

 diagnoses of 22 genera, notes on others; key to 30 genera. 



