INDEX 



Alfalfa (see also Medicago sativa) — Page, 



not food plant of Callipterus trifolii in America 19 



Aphidoletes sp., enemy of Callipterus trifolii 39 



Aphis ononidis, probable synonym of Callipterus trifolii 17 



ApliitJ, yellow clover. (See Callipterus trifolii.) 



Barley, host plant of Toxoptera graminum 8 



Bluegrass. (See Poa pratensis.) 



Cages — 



for life-history studies of Callipterus trifolii 26 



for rearing Toxoptera muhlenbergias 16 



Callipterus trifolii — 



article 17-40 



bibliography 40 



cages used in life-history studies 26 



description 20-26 



distribution in America 18-19 



distribution in Asia 19 



egg, description 26 



fecundity in relation to other species 38-39 



female, winged viviparous, description 21-22 



female, wingless oviparous, description 25 



female, wingless viviparous, description 23 



food plants 19 



generation experiments 27-38 



generic position 18 



habits and life history 26-39 



life history and habits 26-39 



male, winged, description 23-24 



molting 38 



natural enemies 39 



stem-mother, wingless, description 20 



study, methods 1:6 



synonymy 17-18 



Camellia, host^plant of Toxoptera aurantii 8 



Carex sp., host plant of Toxoptera caricis 8 



Ceylonia theaccola= Toxoptera aurantii 8 



Chaitophorus maculatus — 



bibliographic reference 40 



= Callipteruslirifolii 17 



Chaitophorus onotiidis, probable synonym of Callipterus trifolii IS 



(. itron, host plant of Toxoptera aurantii S 



( lematis, host plant of Toxoptera clematidis 8 



Clover — 



alsike, food plant of Callipterus trifolii 1 ) 



aphis, yellow. (See Callipterus trifolii.) 

 bur. (Sec Medicago maculata.) 



i 9803—15 2 41 



