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Agrotis ypsilon 
Alfalfa, food plant of Aphis medicaginis 27 
Jjoxi tstege sim ilalis L3 
Althaea, food plant of Corizus pictipes 4b' 
Amaranth, thorny. See Amaranthus spinosus. 
Amaranthus blossoms, occurrence of Nysius angustatus eggs 31 
food plant of Loxostt ge similalis 13 
spinosus, food plant of Homalodisca triquelra 52 
spp., food plants of LachnosU rna lana olala I s 
Ambrosia trifida, food plant of Papaipema nitt la 39 
Amphicerus sp ; ! x 
Apantdes algonquinus, parasite of < 'aradrina exigua 
carduicola, parasite of Uranoles melinuz 42 
laphygma , parasite of LoxosU ge similalis 13 
rileyanus, parasite of Estigmt ne acra a 35 
sp.. parasite of Uranotes melinus 40 
tin da . parasite of Uranotes melinus 40 
Apantesis argt 35 
Aphis, bur clover. See Aphis medicaginis. 
cichorii, A. medicaginis probable synonym ! B 
cotton. See Aphis gossypii. 
gossypii 26-27 
intyin — A. cichoirii 
im dicaginis 26-29 
description 
descriptions of stages 29 
probably =A. cichorii 
melon. See Aphis gossypii. 
Apple, food plant of Z>< UephUa lineata 16 
Homalodisca triqut tra 52 
Oncometopia undata 57 
Arge tiger moth. See Apantesis arge. 
Army worm, beet. See Caradrina exigua. 
Asparagus, food plant of Homalodisca triquetra 52 
beetle, Calocoris chenopodii as enemy 46 
rapidus as probable enemy 46 
Astragalus bisulcatus, food plant of Aphis m< dicaginis .' 28 
Ataxi i crypta 38 
Aulacizes irrorata 
Autonu ris io 37 
Banana, food plant of Homalodisca triquetra 52,53 
Bean, food plant of Lachnostema farcta 19 
Nezara hUaris 48 
Uranotes melinus 40 
Beet army worm. See faradrina exigua. 
BUgar, food plant of Agrotis ypsilon 9 
]>• ilephila lineata 16 
Blackbirds, feeding on Loxostege similalis 14 
lf< lanoplus liji'i rentialis 22 
Blissus It ucopU rus 30 
Bloodweed, food plant of Homalodisca triqut tra 51 
See also Ambrosia trifida. 
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