Hemiptera 



348 



214028 Shinji, G. 0. 57.52 Icerya : 15.6 



1917. Mating Habit of the Cottony Cushion Scale. Eutom. New» Toi. 28 

 p. 162—165. 



29 De Gregorio, A. 57.52 Icerya : 16.5 



1916. Appunti biologici delVIeerya purehasi Mabk. e del suo predatore 

 Novius cardinalis Muls. Natural, sicil. Vol. 23 p. 5—17, 4 tav. 



30 «illette, C. P. 57.52 Lachnus (78.8) 



1917. Sorae Colorado Species of the Genus Lachnus. Ann. entom. Soc. 

 Amer. Toi. 10 p. 133—144, 2 pis. [S nu. spp.] 16.5 



31 Meissner, Otto. 57.52 Lecaninm (43.15) 



1917. Massenauftreten von Schildläusen. Soc. entom. Jahrg. 32 p. 34. 

 [Lecanium sp. bei Potsdam.] 



32 Weiss, Harry ß. 57.52 Lecanium (74.9) 



1917. The Status of Lecanium eorni Bouché in New Jersey. Canad. Entom. 

 Vol 49 p. 119-120. 



33 Patch, Edith M. 57.52 Livia : 15 



1916. A Psyllid Gall on Juncus (Livia maculipennis Fitch). (Pap. Maine 

 agric. Exper. Stat. Entom. No. 82.) Psyche Vol. 23 p. 21—22, 1 pl. 



34 Patch, Edith M. 57.52 Macrosiphuiu : 16.5 



1915/16. Pink and Green Aphid of Potato. (Macrosiphum solanifolii 

 Ashmkad.) (Pap. Maine agric. Exper. Stat. Entom. No. 81.) Slst ann. Kep. 

 Maine agric. Exper. Stat. — Bull. No. 242 p. 205—223, 3 pis. 



35 Phillips, W. J. 57.52 Macrosiphum : 16.5 



1916. Macrosiphum granarium, the English Grain Aphis. Journ. agric. 

 Research Vol. 7 p. 463—480, 3 pis. 



36 Baker, A. C. 57.52 Macrosiphum : 16.5 



1917. Life History of Macrosiphum illinoisensis t the Grapevine Aphis. 

 Journ. agric. Besearch Vol. 11 p. 83—90, 2 pis. 



37 Baker, A. C. 57.52 Melaphis : 18.1 



1917. On the Chinese Gall. Entom. News Vol. 28 p. 385—393, 1 pl. 

 [Melaphis chinensis.] 



214038 Lizer, C. 57.52 Mesolecanium (82) 



1917. Une nouvelle coccidocécidie de l'Argentine et description du céci- 

 dozoaire qui la produit. (Mesolecanium déltae n. sp.) Broteria S. Fiel 

 Vol. 15 p. 103—107, 5 figg. 



99 Bichardson, Chas. H. 57.52 Myzus : 14.1 



1918. The Pulsatile Vessels in the Legs of Aphididae. Psyche Vol. 25 

 p. 15—17. [Myzus persicae.] 



40 Gillette, C. P., and L. C. Bragg. 57.52 Myzus : 15.2 



1917. The Migratory Habits of Myzus ribis (Limm.) Journ. econ. Entom. 

 Vol. 10 p. 338-340, 17 figg. 



41 Ross, W. A. 57.52 Myzus : 15.3 



1917. The Secondary Host of Myzus cerasi. Canad. Entom. Vol. 49 p. 

 434. [Lepidium apetalum.] 



42 Shinji, G. 0. 57.52 Myzns (79.4) 



1917. The California Species of Myzus, with the description of a new 

 Species. Canad. Entom. Vol. 49 p. 49—51, 1 fig. [M. godetiae n. sp.] 

 4b Maxson, Asa C. 57.52 Pemphigus : 15 



1916. Some Unpublished Notes on Pemphigus betae Doank. Jonrn. econ. 

 Entom. Vol. 9 p. 500—505. 15.4 



44 Dietz, Harry F., and Harold Morrison. 57.52 Phenacaspis (77.2) 



1916. Phenacaspis spinicola n. sp.; an apparently new Coccid from In- 

 diana. Entom. News Vol. 27 p. 101—102, 1 fig. 



45 Hollinger, A. H. 57.52 Phenacoccus (77.8) 



1917/18. A New Species of Phenacoccus. Canad. Entom. Vol. 49 p. 281— 

 284, 4 figg. [Ph. pettiti.] — Phenacoccus stachyos Ehb. (= P, pettiti Hollin- 

 gs Vol. 50 p. 23—24. 

 214046 Grassi, B., e M. Topi. 57.52 Phylloxéra : 11.5 



1917. Esistono diverse razze di fillossera délia vite ? Bend. Accad. 

 Lincei (5) Vol. 26 Sem. 1 p. 265—273. [Biotipi di vitigno predetermi- 

 nato.] 



