Hemiptera 343 



214028 Shinji, G. 0. 57.52 Icerya : 15.6 



1917. Mating Habit of the Cottony Cushion Scale. Eatom. News Yol. 28 

 p. 162-165. 



29 De Gregorio, A. 67.52 Icerya : 16.5 



1916. Appunti biologici dell'/ccryo purchasi Mask, e del sue predatore 

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



30 tfillelte, C. P. 57.62 Lachnus (78.8) 



1917. Some Colorado Species of the Genus Lachnus, Ann. entom. Soc. 

 Anier. Yol. 10 p. 133—144, 2 pis. [3 nn. spp.] 16.5 



31 Meissner, Otto. 67.62 Lecaniuiu (43.15) 



1917. Massenauftreten von Schildlausen. Soc. entoiu. Jahrg. 32 p. 34. 

 [Leeanium sp. bei Potsdam.] 



32 Weiss, Harry B. 57.52 Lecanium (74.9) 



1917. The Status of Lecanium corni Boucni: in New Jersey. Canad. Entom. 



Vol 49 p. 119-1>0. 

 3B Patch, Edith M. 67.52 Liria : 15 



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



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

 ^^^4 Patch, Edith M. 57.52 Macros<ij»ham : 16.5 



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



AsHMEAD.) (Pap. Maine agric. Exper. Stat. Entom. No. 81.) Slst ann. K«p. 



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

 35 Phillips, W. J. 57.62 Macrosiphum : 16.5 



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

 Research Vol. 7 p. 463-480, 3 pis. 



'^6 Baker, A. C. 57.52 Macrosiphum : 16.5 



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

 Jonrn. agric. Research Yol. 11 p. 83—90, 2 pis. 



B7 Baker, A. C. 57.52 Melaphis : 16.1 



1917. On the Chinese Gall. Entom. News Vol. 28 p. 385—393, i pi. 

 [Melaphis chinetisis.] 



214038 Lizer, C. 57.52 Mesolecanium (82) 



1917. Une nouvelle coccidocecidie de I'Argentine et description du ceci- 

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

 Vol. 15 p. 103—107, 5 figg. 



S9 Rifhardson, Chas. H. 57.52 Myzus : 14.1 



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

 p. 15—17. [Myzus persicae.l 



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



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

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



41 Boss, W. A. 67.52 Myzus : 15.3 



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

 434. [Lepidium apetalum.] 



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



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

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

 4;i Maxson, Asa C. 57.52 Pemphigus : 15 



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

 Entom. Yol. 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 Bollinger, A. H. 57.52 Phenacoccus (77.8) 



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

 284, 4 figg. [Ph. pettiti.] — Phenacoccus staehyos Ehb. (= P. pettiti Hoi.lin- 

 GER.> Vol. 50 p. 23—24. 

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



1917. Esistono diverse razze di fiUossera della vite ? Rend. Accad. 

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

 nato.] 



