- 88 
Insect 
Hellula undalis F. 
Hemerocampa leuco stigma Smith 
and Ahbott 
Hoplocampa flava 
Hoplocampa testudinia 
Hyphantria cunea Drury 
Hypo derma larvae 
Hysteroneura setariae Thomas 
Illinoia pi si Kelt, 
L ac hno sterna spp. = Phyllopha.ga 
spp. 
Leafhoppers on lettuce 
Leaf worm 
Leptinotarsa decemlineata Say 
Result 
Recommended 
Ineffective 
Effective 
Effective 
Effective 
Less effective 
than derris 
Less effective 
than nicotine 
Effective 
Lina spp. « Chrysomelj 
Locust (grasshopper) 
spp, 
Promising 
More effective 
than pyre thrum 
and nicotine 
Fairly effective 
Effective 
Equal to 
derris 
Effective 
Effective 
Ineffective 
Referenc e 
U. S. Dept. Agr. 417 
Hamilton 185 
Kearns and Marsh 235; 
Kearns, Marsh and 
Martin 236 
Kearns, Marsh and 
Martin 236 
Hamilton 185 
Runderhorzel-Bestrijd- 
ings- Commissie 362 
Farrar 138 
Sronson 52, 53; Dudley, 
Bronson, and Carroll 
120; Howard and Mason 
201; Knowlton and Soren- 
son 246; Pea Aphid Conf . 
316; U. S. Dept. Agr. 413, 
417, 421, 423; Talker, 451 
N. Y. Geneva Agr. Expt. 
Sta. 304 
U. S. Dcpt. Agr. 413; 
Wallace 454 
Hamilton 185 
N. Y. Agr. Expt. Sta. 
at Cornell Univ. 307 
Smith and Scales 
382 
Feytaud 146; Feytaud 
and Lapparent 147, 148 
Hamilton 185 
U. S. De-ot. Com. 439 
