343 



Hemiptera 



Allied Species. Canari. Eiitom. Vol. 50 p. 89— 94, 20 figg. [Aphis theo- 

 baldi and Siphoooryne essigi nn. spp.] (74.4,. 7, 77.4, 78 8) 



213952 Dewita, J. 57.52 Aphidae: 11.45- 



1916. Ueber die Einwirkung der Pflanzensohmarotzer auf die Wirtpflanze. 

 Nat. Zeitschr. Forst-Lau dwirtscn. Jahrg. 14 p. 288—294. [Hämotysierondk 

 Güte aus zerriebenen Blattläusen.] 



53 Dewitz, J. 57.52 Aphidae : 11.45 



lî>17. Ueber Hämolysine (Aphidolysine) bei Pflanzenläusen. Zool. Anz. 

 Bd. 48 p. 389 — 396. — Serobiologische Studien über Blattläuse uud deren 

 Wirtspflanzen, von Thiem. SFat* Wochenschr. Tîd. 32 p. 257 — 260. 



54 Baker, A. C. 57.52 Aphidae : 14.SS 



1917. Some Sensory Structures in the Aphididae. Canad. Entoni. Vol. 49 

 p. 378—384, 48 rigg. 



55 Zweigelt, Fritz. 57.52 Aphidae : 1;> 



1917. Blattlausgallen, unter besonderer Berücksichtigung der Anatomie 

 und Aetiologie. Centralbl. Bakt. Parasit. Infektionskr. Abt. 2 Bd. 47 

 p. 408—535, 32 Agg. 



56 Patch, Edith X. 57.52 Aphidae : 1 5.K 



1914. Food Plant Catalogue of the Aphidae of the World. Part IV. (Pap. 

 Maine agric. Exper. «tat. Entom. No. 72.) 30th ann. Rep. Maine agric. 

 Exper. 8tat. Bull. No. 225 p. 61-68. 



57 Patch, Edith M. 57.52 Aphidae: lö.:-> 



1916. Concerning Problems in Aphid Ecology. (Pap. Maine agric. Exper. 

 Stat. Entom. No. 84.) .Journ. econ. Entom. toi. 9 p. 44—51. [Host- 

 plants] 



58 Hocker. 57.52 Aphidae : 16.5 



1914. Blattläuse. Oeslerr. Forst-Jagd-Zeitg. Jahrg. 32 p. 260. [Und ihre 

 Bekämpfung.] 



213959 Allard, H. A. 57.52 Aphidae : 16.5 



1917. Further Studies of the Mosaic Disease of Tobacco. Journ. agric. 

 Research Vol. 10 p. 615—632, 1 pl. [Plant-lice may become active car- 

 riers of the disease.] 



60 Merrill, .1. U. 57.52 Aphidae : lö.r» 



1917. Further Data on the Relation between Aphids and Fire Blighr 

 (Bacillus amylovorus Buk. Tbev.) (Contrib. entom. Lab. Kansas State 

 Agric. Coli. No. 21.) Journ. econ. Entom. Vol. 10 p. 45—46, 1 pl. [By 

 hatching from eggs laid in blight cankers, the aphids come in contact 

 with the fire- blight organism, they can and do inoculate trees with the 

 bacteria of rire-blight.J 



61 Ross, William A. 57.52 Aphidae : 16.f> 



1917. General Notes on Aphides which Occur on Apple Trees. 47th ann. 

 Rep. entern. Soc. Ontario p. 43—49. 



62 Jackson, Dorothy J. 57.52 Aphidae (41.16) 



1918. Notes on the Aphides of Ross-Shire, with Descriptions of Two 

 Species New to Science. Scottish Natural. 1918 p. 81—91. [Macrosiphum 

 allii (Lichtes stein) and Pemphigus glebae nn. spp.] 



63 Theobald, Fred. V. 57.52 Aphidae (42) 



1916. Aphididae found on the Apple in Britain and the Description ot 

 a New Species from Africa. Canad. Entom. Vol. 48 p. 169—177, 202—213. 

 233 — 242, 261—263, 6 Agg. [Aphis pomonella n. sp. — A nigra n. nom. 

 pro A. oxyacanthae Koch non Schrank.] (67.6) 



213964 Matsumura, Shonen. 57.52 Aphidae (52) 



1917. A list of the Aphididae of Japan, with Description of New Species 

 and Genera. Journ. Coli. Agric. Sapporo Vol. 7 p. 351—414, 2 pis. [57 

 nn. spp. in : Nippocallis, n. g., Yamatocallis n. g., Acanthocallis n. g., Yezö- 

 eallis n. g. 2, MyzocallisÜ, Takecallis n. g., Arakawana n. g., Chaitophorus, 

 Hannabura n. g., Pterochlorus 2, Lachnus 2, Todolachnus n. g., Nippolachnus 

 n. g. 2, Aphis 10, Hyalopterus, Yezabttra n. g., Macrosiphum 11, Myzus 3, Phoro- 

 don, Arimakia n. g. 2, Abura n. g., Siphocoryne 2, Melanoxanthus, Nipposi* 

 phum n.g., Yezaphis n. g. 2, Yamataphis n. g., Toxoptera.] 16.5 (52.1— .4,.9) 



