80 PAPEES ON INSECTS AFFECTING VEGETABLES. 
Horse-radish — - p ag e. 
food plant of Hellula undalis. .' 24-30 
insect enemies in Colorado. 71-76 
Hydrocampa albifascialis= Hymenia fascialis 13 
Hymenia, description of genus 13 
Hymenia diffascialis= Hymenia fascialis 13 
Hymenia fascialis — 
adult, description 13-14 
bibliography 15 
cocoon, description 12 
description of earlier stages 11-12 
distribution 14 
egg, description 11 
enemies 7 
food plants 2, 14, 15 
habits 3-7 
history , 14 
injury 2 
insecticide experiments 7-11 
larva, description 11-12 
life history , 3-7 
pupa, description 12 
reared with Pachyzancla bipunctalis from beets in Florida 21-22 
synonymy 12, 13 
Hymenia recur valis — 
bibliographic reference 15 
= Hymenia fascialis 13 
Johnston, Fred A., paper, "Arsenite of Zinc and Lead Chromate as 
Remedies Against the Colorado Potato Beetle " 53-56 
Kale, food plant of — 
Feltia annexa 48 
Hellula undalis 24-30 
Porosagrotis vetusta 48 
Kerosene and soap against imported cabbage web worm 42 
Kohl-rabi, food plant of Hellula undalis 30-32 
Lambs '-quarters. (See Chenopodium album.) 
Lead chromate — 
, against Colorado potato beetle 53-55 
against Hawaiian beet web worm 9, 10 
Leaf-spot disease of beet. (See Cercospora beticola.) 
Lettuce, food plant of — 
Feltia annexa 48 
Porosagrotis vetusta 49 
Leucinodes exemptalis — 
bibliographic reference 44 
== Hellula undalis 28 
Lights for trapping moths of imported cabbage web worm 43 
Lime and Paris green against — 
Hawaiian beet webworm 7-8, 10 
sugar-beet webworm 63-64 
Lime and Paris green, dry, against sugar-beet webworm 66 
Lime, Paris green, and whale-oil soap against imported cabbage webworm 39-40 
