39(J FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 
'J4. TlIK IMPERIAL EACLES. 
Eacles impcrialix (Drury). 
(Larva, PI. vi, figs. 1, la, 16.) 
Although this pine larva occurs on the elm as well as the maple and 
other forest trees, it may be mentioned here. It is more fully referred 
to under the head of pine insects.* 
*The following list of the food-plants of Eacles imperialis Dru., by William Beu- 
teniuiiller, appeared in Entoniologica Americana, ii, p. 53. 
Jnacardiacta . 
Rhus glabra, L. (Smooth Sumac.) 
Sapindacece. 
^sculus hippocastauum, L. (Common 
Horse Chestnut.) 
Acer saccharinuru, Wang. (Sugar Maple.) 
dasycarpum, Chr. (White or Silver 
Maple. ) 
rubrum, L. (Red or Swamp Maple. ) 
pseudoplatanus, L. 
Negundo aceroides, Moench. (Box El- 
der.) 
Kolreuteria paniculata, Laxm. (The 
panicle-flowered Kolreuteria.) 
Leguminosce. 
Gleditschia triacanthos, L. (Honey Lo- 
cust.) 
Rosacea?. 
Prunus virginiana, L. (Choke Cherry.) 
serotina, Ehr. (Wild Black 
Cherry.) 
Hamamelacece. 
Liquidanijt)arstyracitlua,L. (Sweet Gum.) 
Lauraoem. 
Sassafras officinale, Nees. (Sassafras.) 
Lindera benzoin, Meisn. (Spice-bush.) 
Vrtkacecv. 
Ulmus fulva, Michx. (Slippery or Red 
Elm.) 
amerieana, L. (American or White 
Elm.) 
alata, Michx. (Whahoo or Winged 
Elm.) 
campestris, L. (English Field 
Elm.) 
suberosa, Moench. (Cork-barked 
Elm.) 
riatatiace(T. 
Platanus occideutalis, L. (American 
Plane or Sycamore.) 
orientalis, L. (Oriental Plane.) 
Cupuliferce. 
Qnercus alba, L. (White Oak.) 
macrocarpa, Michx. (Burr Oak.) 
coccinea, Wang. (Scarlet Oak.) 
rubra, L. (Red Oak.) 
palustris, Dn Roi. (Swamp or 
Pin Oak.) 
cerris vulgaris. (Turkey Oak.) 
Castanea vesca, L. (Chestnut.) 
pumila, Michx. (Chinquapin.) 
Fagus ferruginea, Ait. (American Beech. ) 
sylvatica, L. (Wood or Common 
Beech.) 
Ost ry a virgi nica, Willd. ( Hop Horn beam 
or Lever wood.) 
Carpinus amerieana, Michx. (Hornbeam, 
Blue or Water Beech.) 
Betulacece. 
Betula alba, L. (White Birch.) 
var. populifolia, Spach. 
Alnus incana, Willd. (Speckled or Hoary 
Alder.) 
serrulata, Ait. (Smooth Alder.) 
Conifer a*. 
Pinus strobus, L. (White Pine.) 
excelsa, Wallich. (Bhotan Pine.) 
Abies excelsa, Dec. (Norway Spruce Fir.) 
var. pendula. 
Larix amerieana, Michx. (American or 
Black Larch.) 
Cupressus thujoides, L. (White Cedar.) 
Taxodium distichum, Rich. (American 
Bald Cypress.) 
Juniper communis, L. (Common Juni- 
per. ) 
Virginiana, L. (Red Cedar.) 
