96 
CASE 38. 
219. The Destructive Spruce Wood-Borer. 
Tetropium cinnamopterum Kirby. 
Larvee mine green bark and wood of injured and dying spruce, hastening death 
and promoting decay. 
Exuisir: Adults, larvee, work. 
220. The Wavy Spruce Borer. 
Xylotrechus undulatus Say. 
Larvze mine the inner bark and sapwood of Douglas spruce, fir, and hemlock. 
Exuisir: Adults. 
221. The Canadian Leptura. 
Leptura canadensis Fab. 
Larvee mine sapwood of dead spruce and hemlock, inducing rapid decay. 
Exarsit: Adults. 
222. The Red-Headed Clytus. 
Neoclytus erythrocephalus Fab. 
Larvee mine in dead and dying bark and sapwood of a great variety of forest trees, 
maple, ash, hickory, sweet gum, bald cypress, ete. 
Exursir: Adults. 
223. The Ribbed Pine Borer. 
Rhagium lineatum Ol. 
Larvee mine the inner bark of dying and dead pine, spruce, and some other conifers. 
Exuinit: Adults, larvee, pupa, work. 
224. The Black-Horned Pine Borer. 
Callidium antennatum Newm. 
Larvee mine inner bark and wood of dying and dead pine, cedar, etc. 
Exuisit: Adults, work. 
225. The Four-Marked Ash Borer. 
Eburia quadrigeminata Say. 
Larvee infest ash and hickory. 
Exursit: Adults. 
226. The Cedar Borer. = 
Hylotrupes ligneus Fab. 
Larvee mine inner bark and sapwood of white cedar, causing the death of the trees. 
Exuisit: Adults, larvee, pupa, work. 
227. The Banded Urographis. 
Urographis fasciatus Horn. 
The larve mine the inner bark of dead oak, maple, chestnut, sweet gum, hickory, 
walnut, sourwood, dogwood, and probably nearly all deciduous trees. Eastern 
States. 
Exursit: Adults. 
228. The Rustic Borer. 
Xylotrechus colonus Fab. 
Larve mine the inner bark and sapwood of recently cut or dying oak, chestnut, 
hickory, maple, and other hard woods. 
Exuisit: Adults. 
