396 FIFTH REPORT OF THE ENTOMOLOGICAL COMMISSION. 



24. The imperial eacles. * 



Eaclea imperialis (Drury). 



(Larva, PI. vi, figs. 1, la, 15.) 



Altlioiigh 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- 

 tenmiiller, appeared in Entomologica Americana, ii, p. 53. 



Anacardiacece. 

 Rhus glabra, L. (Smooth Sumac.) 



Sapindacece. 

 .^sculus hippocastanum, L. (Common 



Horse Chestnut.) 

 Acer saccharinum, Wang. (Sugar Maple.) 

 dasycarpum, Chr. (White or Silver 



Maple.) 

 rubrum, L. (Red or Swamp Maple. ) 

 pseudoplatanus, L. 

 Negundo aceroides, Moench. (Box El- 

 der.) 

 Kiilreuteria paniculata, Laxm. (The 

 panicle-flowered Kolreuteria.) 



Leguminosce. 

 Gleditschia triacanthos, L. (Honey Lo- 

 cust. ) 



Bosacea;. 



Prunus virginiana, L. (Choke Cherry.) 

 serotina, Ehr. (Wild Black 

 Cherry.) 



Hamamelacece. 



LiquidamljarstyracifluajL. (Sweet Gum.) 



Lauracew. 

 Sassafras officinale, Nees. (Sassafras.) 

 Lindera benzoin, Meisn. (Spice-bush.) 



Urticacece. 

 Ulmus fulva, Michx. (Slippery or Red 



Elm.) 

 americana, L. (American or White 



Elm.) 

 alata, Michx. ( Whahoo or Winged 



Elm.) 

 campestris, L. (English Field 



Elm.) 

 suberosa, Moench. (Cork-barked 



Elm.) 



Flatanacece. 

 Platanus occideutalis, L. (American 

 Plane or Sycamore.) 

 orientalis, L. (Oriental Plane.) 



CupuUferce. 

 Qnercus alba, L. (White Oak.) 



macrocarpa, Michx. (Burr Oak.) 

 coccinea, Wang. (Scarlet Oak.) 

 rubra, L. (Red Oak.) 

 palustris, Du 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.) 



Ostrya virginica, Willd. (Hop Hornbeam 



or Leverwood.) 

 Carpinus americana, Michx. (Hornbeam, 

 Blue or Water Beech.) 



Betulace(B. 

 Betula alba, L. (White Birch.) 



var. populifolia, Spach. 

 Alnus incana, Willd. (Speckled or Hoary 

 Alder.) 

 serrulata. Ait. (Smooth Alder.) 



Coniferce. 

 Pinus strobus, L. (White Pine.) 



excelsa, Wallich. (Bhotan Pine.) 

 Abies excelsa, Dec. (Norway Spruce Fir. ) 



var. pendula. 

 Larix americana, 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.) 



