68 
Hyphantria cunea, 33, 36 
punctata, 36 
punetatissima, 36 
textor, 36 
Imago of Bag-worm, 25 
Imported Elm Leaf-beetle, 10 
White-marked Tussock-moth, 30 
Importation of Elm Leaf-beetle from Europe, 8 
Imported Elm Leaf-beetle, 8, 53 
Influence of tree-boxes, 60 
Injury done in 1886 by the Fall Web-worm, 37 
' to Elm trees in 1882 and 1883, 14 
Insecticides, 56 
Larva of Bag- worm, 23 
Imported Elm Leaf-beetle, 10 
Fall Web-worm, 35 
White-marked Tussock-moth, 29 
Leaf-eaters, the four principal, 8 
Le Conte’s statements in regard to the Imported 
Elm Leaf-beetle, 12 
Limneria pallipes, 51 
parasites of, 52 
Limitation of broods of Fall Web-worm, 33 
London purple, 56 
used against Imported Elm Leaf-beetle, 13, 17 | 
Mantis carolina, 13, 44 
Maple Bark-borer, 60 
Marpessa undata, 43 
Mechanical means of applying poison to Imported 
Elm Leaf-beetle, 19 
Metallic hand-pipe with diagonal nozzle, 21 
Meteorus hyphantrie, 47, 49, 62 
parasites of, 50 
Microgaster sp., 32 
Moth of Fall Web-worm, 36 
Mulching, 60 
Natural enemies of White-marked Tussock- 
moth, 31 
Natural history of Bag-worm, 22 
; Fall Web-worm, 33 
White-marked Tussock-moth, 
29 
Nixon, A. H., nozzle invented by, 57 
Orgyia leucostigma, 12, 29 
Paleacrita vernata, 53 
Parasites of Apanteles hyphantric, 51 
Fall Web-worm, 48 
Limneria pallipes, 52 
Meteorus hyphantric, 50 
White-marked Tussock-moth, 31 
Paris green, 56 
used against Imported Elm Leaf-beetle, 13, 18 
Past history of the Elms affected by Imported Elm 
Leaf-beetle, 14 
Peculiar affect of defoliation by the Fall Web- 
worm, 42 
Perilitus communis, 50 
Pimpla conquisitor, 28 
inquisitor, 28, 32 
Platynus punctiformis, 13 
Podisus spinosus, 45 
Predaceous insect enemies of Fall Web-worm, 44 
Preferences of Elm Leaf-beetles, 15 
INDEX. 
Preparation of London purple against Imported 
Elm Leaf-beetle, 17 
Preventive effects of arsenical poisons, 16 
measures, 55 
remedy for all, one simple, 55 
Principal leaf-eaters, four, 8 
Prionidus cristatus, 32, 44 
Prospects the coming season, 65 
Pruning, 63 
Pruning and burning, 59 
Pteromalus sp., 28, 32 
Pupa and cocoon of Fall Web-worm, 36 
of Bag-worm, 25 
of Imported Elm Leaf-beetle, 10 
Pupation of Imported Elm Leaf-beetle, 12, 13 
White-marked Tussock-moth, 30 
Pyrethrum powder against Imported Elm Loaf- 
beetle, 13 
Quedius molochinus, 13 
Rear-horse, 44 
Recent experience at the Department with the 
Imported Elm Leaf-beetle, 14 
Reduvius novenarius, 13 
Remedies against Imported Elm Leaf-beetle, 11 
and preventive measures, 55 
Reply to inquiries about the Imported Elm Leaf 
beetle, 12 
Nobin, 31 
Saperda, 61 
Scops asio, 43 
Screech-owl, 43 
| Soldier-bug, 32 
Spiders eating Fall Web-worm, 43 
Spilochaleis maric, 28 
Spring Canker-worm. 53 
Stirrer pump, with barrel and mixer, 19 
Summary of habits of the four species, 53 
Tachina sp., 28, 32 
from Fall Web-worm, 52 
Tachyporus jocosus, 13 
Tarred paper to kill Imported Elm Leaf-beetle, 13 
Telenomus bifidus, 48 
‘sp., 32 
Tetrastichus sp., 33 
The future of our trees, 63 
| Toad, the common, 43 
Thyridopteryx ephemerveformis, 22 
Tree-boxés, influence of, 60 
Trees, good and bad effects, 64 
which are uninjured, 64 
Trichogramma ® fraterna, 32 
2 orgyie, 32 
Trochilium acerni, 60 
Troughs to catch Imported Elm Leat-beetle, 13 
Tussock-moth, the White-marked, 29 
Ulmus americana, 15 
campestris, 15, 16 
effusa, 15 
montana, 15 
parvifolia, 15 
siberica, 15 
suberosa, 15 
Web-worm, the Fall, 33 
