Index. 151 



Fage. 



Lacewing flies, enemies of spring grain-aphis 132-133 



Ladybeetle, convergent. (See Hippodamia convergens.) 

 nine-spotted. (See Coccinella 9-notata.) 

 spotted. (See Megilla metadata.) 



Ladybeetles, enemies of spring grain-aphis 128-129 



Lime and sulphur against spring grain-aphis 139 



Lipolexis piceus, parasite of spring grain-aphis 136 



Locust, food plant of aphidid 116, 125 



Lolium multiflorum, food plant of spring grain-aphis in America 43 



perenne, food plant of spring grain-aphis in Europe 41, 43 



Lysiphlebus abutilaphidis= Aphidius testaceipes 104 



baccharaphidis= Aphidius testaceipes 104 



basilaris= Aphidius testaceipes 104 



citr aphis = Aphidius testaceipes 104 



coquilletti (?)= Aphidius testaceipes 104 



crawfordi= Aphidius testaceipes 104 



cucurbitaphidis— Aphidius testaceipes 104 



eragrostaphidis= Aphidius testaceipes 104 



gossypii= Aphidius testaceipes 104 



minutus— Aphidius testaceipes 104 



my zi= Aphidius testaceipes 104 



persiaphidis= Aphidius testaceipes 104 



persicaphidis= Aphidius testaceipes 104 



piceiventris= Aphidius testaceipes 104 



tritici— Aphidius testaceipes 37, 104 



Macrosiphum cucurbitae, host of Aphidius testaceipes 117, 125 



erigeronensis, Pachyneuron sp. a secondary parasite 127 



granaria, host of Aphidius avenaphis 125 



testaceipes . A 116, 125 



in North and South Carolina in 1907 36 



males and oviparous females in rearing cages in Texas . . 47 



Pachyneuron sp. a secondary parasite 127 



prey of Allograpta obliqua 132 



birds 135 



Sphserophoria cylindrica 131-132 



Syrphus americanus 131 



spring grain-aphis mistaken therefor. 13, 23 



pisi, Megorismus sp. a secondary parasite 126 



rosae, host of Aphelinus mali 123, 125 



sp. on Abutilon, host of Aphidius testaceipes 125 



black gum (Nyssa sylvatica), host of Aphidius testaceipes. 116, 125 



viticola, Allotria sp. a secondary parasite 128 



host of Aphidius testaceipes 116, 125 



Pachyneuron sp. a secondary parasite 127, 128 



Manure against spring grain-aphis 138 



Medicago sativa, food plant of spring grain-aphis in America 42, 43 



Megilla maculata, enemy of spring grain-aphis 129 



Megorismus sp., hosts 125-126 



secondary parasite of spring grain-aphis 125-126 



Melanoxantherium sp., host of Aphidius testaceipes 116, 125 



Melospiza melodia, enemy of spring grain-aphis 135 



Millet. (See Chsetochloa italica.) 



Japanese. (See Echinochloa crus-galli.) 



