444 WEST VIRGINIA EXPERIMENT STATION. 



ing twigs on living, dying and dead, black and Norway spruce. 

 Eggs and matured larvae at Cranesville, May 10, and June 23, 

 '97; adults, pupae and larvae in Norway spruce, Morgantown, 

 Apr. 5, and Oct. 14. 



154. Pityophthorus n. sp. 1. Very common in the bark of 

 small dead twigs on dying and dead felled black and Norway 

 spruce trees. Adults depositing eggs, Cranesville, May 10, '97; 

 adults in Norway spruce twigs, Morgantown, Apr. 5, '97. 



155. Pityophthorus n. sp. m. Adults and half grown larvae 

 in bark of small twigs of pitch pine cut in fall of '96. Tibbs 

 Run, June 1, '97. 



156. Pityophthorus n. sp. r. Adults in dead twigs of Norway 

 spruce, Morgantown, Apr. 5, '97. 



157. Hypothenemus n. sp. h. Adults common under bark 

 and in outer wood of dead Norway spruce twigs, Morgantown, 

 Apr. 5, '97. 



158. Hypothenemus n. sp. i. Colony of adults in bark oi 

 dead Norway spruce twigs, Morgantown, Apr. 5, '97; in dead 

 twigs of black spruce cut in 1895, Morgantown, Nov. 6, '96. 



159. Xyloterus lineatus ~R&iz.(Xyloterus bivittatus Kirby.) 

 Very common wherever the pine and spruce grows, attacking 

 partly living sapwood of dying and felled trees, often causing 

 serious injury to the wood. 



160. Xyloterus scabricollis Lee. Not common. Found in 

 partly living sapwood of dying and felled pitch, yellow and 

 white pine trees. Romney, May 3, '92, Brushy Run, May 4, '92; 

 Moot-field, May 3, '92, in yellow pine, near Huntersville, May 2, 

 '93, in white pine, Tibbs Run, Apr. 29, '96, and June 1, '97, in 

 pitch pine. Eggs, larvae, pupae, and young adults, June 1, '97, 

 in sapwood of stump and log of pitch pine tree cut in August, 

 1896. 



161. Xyloterux politus Say. Adults in black spruce near 

 Davis, Tucker Co., May 9, '94. 



162. Cryphalus piceae Ratz. Frequently met with at high 

 elevations in the bark of dying or dead spruce trees. Williams 

 River, May 6, '93; Horton, May 28, '93; Cranesville, June 23, 

 '97. Eggs, May 23, adults entering bark June 23. 



