A SELECTED BIBLIOGRAPHY OF THE COCCOIDEA 221 



Yust, H. R. — Continued. 



1943 PRODUCTIVITY OF THE CALIFORNIA RED SCALE ON LEMON FRUIT. Jour. 



Econ. Ent. 36: 868-872, illus. 

 A study of the period of productivity and of the numbers of progeny. 



Zahradnik, J. 



1952 REVISION DER CECHOSLOVAKISCHEN ARTEN DER SCHILDLAUSE AUS DER 



unterfamilie der diaspidinae. Prague. Ent. Mus. Nat. Pragae, Acta 



27 (1951) : 89-200, illus. 

 A detailed taxonomic study of 23 diaspine coccids, with descriptions, 

 figures, and keys to 12 genera and 23 species. 



1952a EINE NEUE SCHILDLAUSART — QUADRASPIDIOTUS MARANI N. SP. (COC- 



COIDEA: diaspididae). Beitr. z. Ent. 2: 449-451, illus. 



1953 premiere contribution a la connaissance des cochenilles vivant 



DANS LES SERRES DU JARDIN DES PLANTES A PRAHA. (In Czech.) 



Prague. Ent. Mus. Nat. Pragae, Acta 28: (1952) : 125-148, illus. 

 Describes and figures 7 greenhouse coccids. 



1955 ZUR NOMENKLATUR VON QUADRASPIDIOTUS MARANI ZAHRADNIK (QUAD- 

 RASPIDIOTUS schneideri bachmann). Beitr. zur Ent. 5: 88-90. 

 Q. schneideri a synonym of marani. 



1955a UBER DIE WICHTIGSTEN ARTDIFFERENZIERENDEN MERKMALE DER SCHILD- 

 LAUS QUADRASPIDIOTUS MARANI ZAHRADNIK ( = QU. SCHNEIDERI BACH- 

 MANN). Ztschr. f. Angew. Ent. 37: 125-127. > 

 States this is a good species, not a variant of piri. 



Zehntner, L. 



1897 DE PLANTENLUIZEN VAN HET SUIKERRIET OP JAVA. II. CHIONASPIS SAC- 



chari-folii n. sp. in. chionaspis depressa N. sp. Proefsta. Oost-Java, 

 Meded. (n. s.) 36, 26 p., illus. (col.). 



1897a OVERZICHT VAN DE ZIEKTEN VAN HET SUIKERRIET OP JAVA 2 e DEEL, 



vijanden uit het DiERENRUK. Arch. v. Java-Suikerindustrie 5 (1) : 

 525-575 (559-564). Also in Proefsta. Oost-Java, Meded. (n. s.) 37, 

 51 p. (35-40). 



Descriptions of 6 coccids including Aspidiotus sacchari-caulis, Lecan- 



ium krugeri, n. spp. 



1897b DE PLANTENLUIZEN VAN HET SUIKERRIET OP JAVA. IV. ASPIDIOTUS 



sacchari caulis N. sp. [Also given as sacchari-caulis.] Proefsta. 

 Oost-Java, Meded. (n. s.) 39, 10 p., illus. (col.). 



1898 DE PLANTENLUIZEN VAN HET SUIKERRIET OP JAVA [V. VI. AND VII.] Arch. 



v. Java-Suikerindus. 6 (2) : 1085-1098, illus. (col.). Also in Proefsta. 

 v. Suikerriet in West Java, Meded. No. 37, 14 p., illus. (col.). 

 Chionaspis madiunensis, C. tegalensis, Chionaspis spec. V., n. spp. 



1901 DE PLANTENLUIZEN VAN HET SUIKERRIET OP JAVA, xi-xii; xiii-XV. Arch. V. 



Java-Suikerindus. 9 (2) : 577-594, 673-694, illus. 

 Describes Aspidiotus spec. II [="Targionia" sacchari] and Plan- 

 chonia? spec. [=Antonina graminis]. 



ZlELKE, O. 



1942 UBER DIE ESCHENWOLLSCHILDLAUS^ FONSCOLOMBEA FRAXINI (KALT.) 

 CKLL. (HEM. COCC), UND DIE STANDORTLICHEN BEFALLSVERHALTNISSE 



bei der esche, FRAXiNUS excelsior l. Biol. Reichsanst. f. Land u. 



Forstw. Arb. 23 : 293-386, illus. 

 Includes detailed description, distribution, biology, enemies, hosts, 

 damage. 



Zillig, H., and Niemeyer, L. 



1929 MASSENAUFTRETEN DER SCHMIERLAUS, PHENACOCCUS HYSTRIX (BAR.) 

 LDGR., IM WEINBAUGEBIET DER MOSEL, SAAR UND RUWER. Biol. Reich- 



sanst. f. Land. u. Forstw. Arb. 17: 67-101, illus. Reviewed by 

 Sprengel in Anz. f. Schadlingsk. 5: 114-115, 1929. 

 Brief description, details of life history, damage, control. 



