INDEX. 151 
Fage. 
Lacewing flies, enemies of spring grain-aphis 132-133 
Ladybeetle, convergent. (See Hippodamia convergent.) 
nine-spotted. (See Coccinella 9-notata.) 
spotted. (See Megilla maculata.) 
Lady beetles, 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 multijlorum, 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 
citraphis= Aphidius testaceipes 104 
coquiUetti {!)= Aphidius testaceipes 104 
craufordi= Aphidius testaceipes 104 
cucurbitaphidis= Aphidius testaceipes 104 
eragrostaphidis= Aphidius testaceipes 104 
gossypii= Aphidius testaceipes 104 
minutus= Aphidius testaceipes 104 
myzi— Aphidius testaceipes 104 
persiaphidis= Aphidius testaceipes 104 
persicaphidis= Aphidius testaceipes 104 
piceiventris= Aphidius testaceipes 104 
tritici= Aphidius testaceipes 37, 104 
Macrosiphum cucurbitse, host of Aphidius testaceipes 117, 125 
erigeronensis, Pachyneuron sp. a secondary parasite 127 
granaria, host of Aphidius avenaphis 125 
testaceipes 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 ameiicanus 131 
spring grain-aphis mistaken therefor 13, 23 
pisi, Megorisrnus sp. a secondary parasite 126 
rosse, 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, AUotria 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.) 
