ECOLOGY OF ISLE ROYALE. 201 



Food plants. Larva burrows in spruce and hemlock. (Beutenmuller, 

 '96, p. 78). 



Oeographic Range. Ottawa, Can.; Nova Scotia; N. H.; Vermont; 

 Mass.; New York; Penna. ; Virginia; Ga. ; Mich.; Wisconsin; Mo.; Colo.; 

 New Mexico; No. Arizona; No. Idaho; Brit. Columbia; eastern and 

 ■western Siberia; Japan; Eussia; Germany. Hamilton, '94a, p. 396. 



71. Leptura chrysocoma Kby. This bright yellow beetle was the 

 most abundant Cerambycid, occurring in great numbers in the flowers 

 of the Cow Parsnip in the clearing at the Light-house (1; 7) ; also 

 found in the flowers of the Wild Eose on the beach (I, 1) ; and on the 

 flowers of Opulastcr opulifolms, at the mouth of Benson brook (II, 1) 

 during July. Also taken at the Siskowit camp (V, 3) on August ~^. 



(G. 37, 4E5, 49, 105, 133, 137, 148, 191.) 



Geographic Range. Ottawa, Can. ; Hudson Bay region ; Nova Scotia ; 

 Maine ; N. H. ; New York ; Mich. ; Wisconsin ; Colo. ; New Mexico ; No. 

 Arizona; Priest's Lake, Idaho, (Wolcott) ; Utah; Nevada; Calif.; Brit. 

 Columbia. 



72. Leptura proxima Say. A. Two specimens were found on the 

 flowers of the Cow Parsnip (I, 7) in July (G. 105, 179), and another 

 specimen at the camp on Siskowit Bay (V, 3) on August 3 (G. 195). 



Food plant. Beared from maple. (Wickham. Can. Ent., 29, p. 192.) 

 Geographic Range. Ottawa, Can. ; Vermont ; N. H. ; Mass. ; New 



York; W. Penna.; Virginia; Ga.; Dist. of Columbia; Ohio; Mich.; No. 



111. (Wolcott); Wisconsin; Iowa; Missouri. 



73. Leptura tiMalis I^ec. A. The one specimen is from the camp 

 on Siskowit Bay (V, 3) on August 16 (A. 153). 



Geographic Range. Mt. Washington, New Hampshire; Michigan; 

 Oregon. 



74. Leptura mutahilis Newm. Four specimens were taken at the 

 Light-house (I, 7) during July (G. 49, 105, 137, 166). Some of these 

 were taken on the flowers of the Cow Parsnip. ,, 



Geographic Range. Saskatchewan basin ; Ottawa, Can. ; Mt. Wash- 

 ington (summit), N. H. ; New York; Dist. Columbia; Mass.; New Jersey; 

 W'. Penna,; Ohio (Dury) ; Mich.; Wisconsin; New Mexico. 



75. Monohammus scutellatus Say. A. Six specimens of these large 

 beetles were taken: one at the Light-house (I, 7) on July 24 (G. 152), 

 and the others on August 7, 12 and 16 at the Siskowit camp (V, 3) . 

 (G. 212, 231; A. 152). 



Food plant. Taken on white and hard pine; beetle girdles branches 

 and the larva bores in spruce trunk. (Felt, '06, p. 364.) 



Geographic Range. Ottawa, Can. ; Hudson Bay region ; Saskatchewan 

 basin; W. Penna,; St, Joseph (Wolcott), Isle Eoyale, Mich.; Wisconsin; 

 Duluth, Minn. (Wolcott) ; Colo.; New Mexico; Brit. Columbia; Alaska; 

 extensive N. American range in "pine regions." District of Columbia. 



Chrpsomelidae.* 



76. Donacia proxima Kby. A. "In the water-lily zone of Sumner 

 Lake (III, 5) on Jtily 27 (G. 171). The beetles fly low, dragging the 

 tip of the abdomen in the water, and apparently alight only on leaves 

 of the waterlily." Gleason. Also taken July 29 (A. 184). 



»ct. Chittenden ('93) for food habits of this family. 



