BIBLIOGRAPHY OF THE COCCOIDEA, SECOND SUPPLEMENT g5 

 Nur, U. 



1962 SPERMS, SPERM BUNDLES AND FERTILIZATION IN A MEALY BUG, PSEU- 



dococcus obscurus essig (homoptera: coccoidea). Jour. Morph. 

 Ill: 173-199, illus. 



1962a A SUPERNUMERARY CHROMOSOME WITH AN ACCUMULATION MECHANISM 



in the lecanoid genetic system. Chromosoma (Berlin) 13: 



249-271, illus. 

 Supernumeraries may have originated from fragments followed by 

 subsequent duplications; used Pseudococcus obscurus. 



1962b POPULATION studies of supernumerary chromosomes in a mealy 

 bug. Genetics 47: 1679-1690. 

 Utilized Pseudococcus obscurus. 



1963 meiotic parthenogenesis and heterochromatization in a soft 



scale, pulvinaria hydrangeae (coccoidea: homoptera). Chro- 

 mosoma (Berlin) 14: 123-139, illus. 



Meiotic parthenogenesis of type not previously described was found 



in P. hydrangeae. 



1965 A modified comstockiella chromosome system in the olive scale 



insect parlatoria oleae (coccoidea: diaspididae) . Chromosoma 

 (Berlin) 17: 104-120, illus. 



1966 nonreplication of heterochromatic chromosomes in a mealy 



bug, planococcus citri (coccoidea: homoptera). Chromosoma 

 (Berlin) 19: 439-448, illus. 



1966a HARMFUL supernumerary chromosomes in a mealy bug popula- 

 tion. Genetics 54: 1225-1238. 

 Found no differences in frequencies of supernumeraries between 

 mothers and their offspring; supernumeraries have little or no effect 

 on females, yet are harmful to males of Pseudococcus obscurus. 



1966b THE EFFECT OF SUPERNUMERARY CHROMOSOMES ON THE DEVELOPMENT 



OF mealy BUGS. Genetics 54: 1239-1249, illus. 

 In males of Pseudococcus obscurus a single supernumerary caused 

 reduction in number of sperms and increased developmental time; in 

 females supernumerary showed no effect. 



1967 REVERSAL OF HETEROCHROMATIZATION AND THE ACTIVITY OF THE 



PATERNAL CHROMOSOME SET IN THE MALE MEALY BUG. Genetics 56 : 



375-389, illus. 

 Studied Planococcus citri, Pseudococcus gahani, and P. obscurus. 



1967a CHROMOSOME SYSTEMS IN THE ERIOCOCCIDAE (COCCOIDEA HOMOPTERA). 

 II. GOSSYPARIA SPURIA AND ERIOCOCCUS ARAUCARIAE. Chromosoma 



(Berlin) 22: 151-163, illus. 



1968 ENDOMITOSIS IN THE MEALY BUG, PLANOCOCCUS CITRI (HOMOPTERA: 



coccoidea). Chromosoma (Berlin) 24: 202-209, illus. 

 Describes endomitosis in Malpighian tubules of P. citri and com- 

 pares chromosomes in various stages of endomitosis with those in 

 other hemipterous insects. 



1968a THE MAINTENANCE OF HARMFUL CHROMOSOMES IN A MEALY BUG. 12th 



Internatl. Cong. Genetics (Tokyo, 1968) Proc. 2: 119-120. 

 Observed Pseudococcus obscurus. 



