gg MISC. PUBLICATION 1281, U.S. DEPT. OF AGRICULTURE 

 Nur, U. — Continued 



1969 HARMFUL B-CHROMOSOMES IN A MEALY BUG: ADDITIONAL EVIDENCE. 



Chromosoma (Berlin) 28: 280-297, illus. 

 Studied Pseudococcus obscurus. 

 See Brown, S. W., and Nur, U. 



Nur, U., and Chandra, H. S. 



1963 INTERSPECIFIC HYBRIDIZATION AND GYNOGENESIS IN MEALY BUGS. 



Amer. Nat. 97: 197-202. 

 Crosses between 6 spp. from 3 gen. failed to produce offspring that 

 lived beyond first instar; male embryos died. 



Nuzzaci, G. - 



1969 NOTA MORFO-BIOLOGICA SULL'EULECANIUM CORNI (BOUCHE) SPP. 



apuliae Nov. Entomologica (Bari) 5: 9-36, illus. (Not seen.) 

 Morphology; biology; host and distribution; economic importance. 



1969a OSSERVAZIONI CONDOTTE IN PUGLIA SULLA SAISSETIA OLEAE BERN. 



(homoptera-coccidae) e suoi simbionti. Entomologica (Bari) 

 5: 127-138, illus. (Not seen.) 



Obenberger, J. 



1957 ENTOMOLOGIE III. SYSTEMATICKA CAST 2. XVII. RAD MALLOPHAGA. 

 XVIII. RAD ANOPLURA. XIX. RAD HOMOPTERA. 467 p., illus. Nakla- 



datelstvi Ceskoslov. Akad. Ved, Praha. (Coccids p. 344-439). 

 IV. Podrad Coccinea-Cervci (reviewer K. Vondracek) has sections 

 on morphology, anatomy, metamorphosis, biology, and keys to fami- 

 lies, subfamilies, and tribes ; systematic part includes general descrip- 

 tions of 15 families. 



O'Connor, B. A., see Newman, L. J., O'Connor, B. A., and Andrewartha, H. G. 



Oda, T. 



1963 STUDIES ON THE DISPERSION OF THE MULBERRY SCALE, PSEUDAULACAS- 



PIS pentagona. [In Japanese. English summary.] Jap. Jour. 



Ecol. 13: 41-46. 

 Studied distribution of females on twigs, oviposition rates, and 

 mortality; also studied specimens in laboratory. 



Osborn, H. 



1904 A FURTHER CONTRIBUTION TO THE HEMIPTEROUS FAUNA OF OHIO. Ohio 



Nat. 4: 99-103. 

 Lists 45 coccid spp. in 17 gen. 



OSSIANNILSSON, F. 



1951a THE MOUNTAIN FAUNA OF THE VIRIHAURE AREA IN SWEDISH LAPLAND. 



Lunds Univ. Arsskr. 46: 51-59. (Coccid p. 58.) 

 Includes Arctorthezia cataphracta. 



1966 MAKING PERMANENT FLUID MOUNTS OF MINUTE ARTHROPODS. Ent. 



Tidskr. 87 (1-2) : 1-4, illus. 

 Places nymphs and genitalia in glass capillaries containing mounting 

 fluid. 



