42 PAPERS ON APHIDID^. 



Clover — Continued. Page. 



English, food plant of Callipterus trifoUi 19 



food plant of Macrosiphum pisi 38-39 



Japan. (See Lespedeza spp.) 



mammoth. (See Trifolium medium perenne.) 



red. (See Trifolium pralense.) 



sweet. (See Melilolus spp.) 



white. (See Trifolium repens.) 



Coccinella 9-notata, enemy of Callipterus trifolii 39 



Davis, J. J., paper, "The Yellow Clover Aphis {Callipterus trifolii Monell)". . 17-40 

 Davis, J. J., W.J. Phillips and, paper, " Studieson a New Species of Toxoptera, 



with an Analytical Key to the Genus and Notes on Rearing Methods" . . . 1-16 



Empusa aphidis, fungous enemy of Callipterus trifolii 39 



Fungous enemy of Callipterus trifolii. (See Empusa aphidis.) 



Grasses, various, host plants of Toxoptera graminum 8 



"Green bug." (See Toxoptera graminum.) 



Ilippodamid convergens, enemy of Callipterus trifolii 39 



Ladybird, 9-spotted. (See Coccinella 9-notata.) 



Lespedeza spp., not food plants of Callipterus trifolii 19 



Lucern. (See Medicago saliva.) 



Macrosiphum pisi on clover, fecundity in comparison with Callipterus trifolii. . 38-39 



Medicago maculata, perhaps food plant of Callipterus trifolii 19 



Medicago sativa (see also Alfalfa) — • 



food plant of Callipterus trifolii in India 17, 19 



Megilla maculata, enemy of Callipterus trifolii 39 



Melilotus spp. , not food plants of Callipterus trifolii 19 



Muhlenbergia sp. , host plant of Toxoptera miihlcnbergise, 1, 8, 9 



Myzocallis ononidis, probable synonym of Callipterus trifolii 18 



Myzocallis trifolii — 



bibliograpliie reference 40 



= Callipterus trifolii 18 



Oats, host plant of Toxoptera graminum 8 



Onobrychis sativa, not food plant of Callipterus trifolii 19 



Orange, host plant of To.xoptcra aurantii 8 



Phillips, W. J., and Davis, J. J., paper, "Studies on a New Species of Toxop- 

 tera, with an Analytical Key to the Genus and Notes on Rearing Methods " . . 1-16 



Poa pratensis, host plant of Toxoptera muhlenbergiae 9 



Rains in control of Callipterus trifolii 39 



Rearing methods for Toxoptera muhlenbergix 15-16 



Rhamnus alatemus — 



host plant of Toxoptera alaterna : 8 



host plant of Toxoptera variegata 8 



Rye, host plant of Toxoptera graminum 8 



Sainfoin. (See Onobrychis sativa.) 



Scirpus lacustris, host plant of Toxoptera scirpi 8 



Scirpus spccierum, host plant of Toxoptera scirpi 8 



Therioaphis ononidis, probable synonym of Callipterus trifolii 18 



Timothy, not food plant of Callipterus trifolii 19 



Toxoptera alaterna, characters, host plant 8 



Toxoptera, a new species, paper 1-16 



Toxoptera aurantise= Toxoptera aurantii 8 



Toxoptera aurantii, characters, host plants, synonyms 8 



Toxoptera camelliie= Toxoptera aurantii 8 



