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



Sulc, K. — Continued. 



1944a ZEVNI MORFOLOGIE, METAMORFOSA A BEH ZIVOTA CERVCE PEUKINOCCOCUS 

 N. GN. PICEAE LOEW 1883. (AUSSERE MORPHOLOGIE, METAMORPHOSE 

 UND LEBENSLAUF VON PEUKINOCOCC N. GN. PICEAE LOEW. (COC- 



coidae.) ) Prace Morav. Pfirod. Spolec. (Acta Soc. Sci. Nat. Morav.) 

 16 (11) (Signatura F 169), 50 p., illus. 



1945 ZEVNI MORFOLOGIE, METAMORFOSA A BEH ZIVOTA CERVCE NIPAECOCCUS N. 

 GN. NIPAE MASKELL. (AUSSERE MORPHOLOGIE, METAMORPHOSE UND 

 LEBENSLAUF VON NIPAECOCCUS N. GN. NIPAE MASKELL (COCCOIDEA) .) 



Prace Morav. Pfirod. Spolec. (Acta Soc. Sci. Nat. Morav.) 17 (3) 

 (Signatura F 177), 48 p., illus. 

 German summary. 



Sulzer, J. H. 



1761 die kennzeichen der insecten. Zurich, Heidegger 28, 203 (109-112), 

 67 (31) p., illus. 

 Brief general discussion of Coccus species with specific reference by 

 name only to C. hesperidum L. 



1776 ABGEKURZTE GESCHICHTE DER INSECTEN NACH DEM LINAEISCHEN SYSTEM. 



Winterthur, Steiner, Pt. 1, 28, 274 (107-112) : Pt. 2, explanation of 



plates, 58 p. (22), illus. (col.). 

 Brief general discussion of coccids; names, describes, and illustrates 

 Coccus persicorum, C. fol. quercus [a psyllid], C. fagi. 



SUMMERVILLE, W. A. T. 



1934 QUEENSLAND CITRUS SCALE INSECTS AND THEIR CONTROL. Queensland 



Dept. Agr. and Stock, Div. Ent. and Plant. Pathol. Bui. (n.s.) 10, 

 101 p., illus. Published previously in Queensland Agr. Jour. v. 41, 

 pt. 5, 6; and v. 42, pt. 1, 2. May- Aug. 1934. 

 Descriptions, life histories, enemies, etc., for 14 common coccids. 



SUOMALAINEN, E. 



1940 BEITRAGE ZUR ZYTOLOGIE DER PARTHENOGENETISCHEN INSEKTEN. II. 



lecanium hemisphaericum (coccidae). Acad. Sci. Fenn., Ann. 



(ser. A) 57 (1941), 30 p., illus. 

 English summary. Description of chromosomes and comparison with 

 other coccids. 



Suter, P. 



1932 UNTERSUCHUNGEN UBER KORPERBAU, ENTWICKLUNGSGANG UND RASSEN- 

 DIFFERENZIERUNG DER KOMMASCHILDLAUS, LEPIDOSAPHES ULMI L. 



Schweiz. Ent. Gesell. Mitt. 15: 347-420, illus. 

 A detailed study of the anatomy and Triology ; 5 races recognized. 



1950 zur biologie von lecanium corni bche. Schweiz. Ent. Gesell. Mitt. 23 : 

 95-103, illus. 

 Discusses life history and stages. 



Sutherland, J. R. G. 



1932 some observations on the common mealybug pseudococcus citri 

 risso. Quebec Soc. Protect. Plants Ann. Rpts. 23-24 (1930-32) : 

 105-118, illus. 



Critical notes on mealybug mounting; description and life history 



notes. 



Swezey, O. H. 



1945 insects associated with orchids. Hawaii. Ent. Soc. Proc. 12 (1944) : 

 343-403 (374-390). 

 Includes lists of 26 orchid coccids and of 78 others sometimes found 

 on orchids, with collection data. 



Symons, T. B., and Cory, E. N. 



1910 the terrapin scale. Md. Agr. Expt. Sta. Bui. 149: 83-92. 

 Distribution, description, life history, control. 





