110 



THE NATIVE CURRANT STEM-BORER. 



Psenocerus supernotatus Say. 



For general account see Lugger, 5th Kept. State Entom. of Minne- 

 sota, pp. 121-122, 1899. 

 Exhibit: Adult and work. 



CURRANT CLEAR WING MOTH; IMPORTED CURRANT-BORER. 



Sesia tipuliformis Clerck. 



For general account see Lugger, 1th Rpt. State Entom. Minn., pp. 

 60-61, 1899. 



Exhibit: Adult and work. 



PUTNAM'S SCALE; CRANBERRY SCALE. 



Aspidiotus ancylus Putn. 



(Food-plants: Apple, apricot, box-elder, cottonwood, cranberry, elm, 

 hemlock, maple, oak, peach, pear, plum, etc.) 



For bibliography and food plants see Fernald, Cat. Coccidse of 

 World, Bui. 88, Mass. Agr. Coll., pp. 252-253, 1903. 



Exhibit: Infested twig. 



THE SAN JOSE SCALE. 



Aspidiotus pernitiosus Comst. 



(Food plants: Almond, apple, apricot, birch, black walnut, black 

 currant, catalpa, chestnut, crab apple, crab grass, cherry, grape, 

 hickory, oak, peach, pear, persimmon, plum, poplar, prune, Rocky 

 Mountain cherry, rose, silver maple, willow, and many other plants. 

 See under "More important scale insects.") 



For bibliography and food plants see Fernald, Cat. Coccida? of 

 World, Bui. 88, Mass. Agr. Coll., pp. 271-275, 1903; Howard and 

 Marlatt, Bui. 3, n. s., Div. Ent., U. S. Dept. Agr., 1896. 80 pp. 



Exhibit: Infested twig. 



THE BLACK GOOSEBERRY BORER. 



Xylocrius agassizii Lee. 



For general accounts see Fletcher, Rept. of Entom. and Bot. for 

 1898, Can. Dept. Agric, pp. 207-210, 1899; Chittenden, Bui. 23, n. s., 

 Div. Ent., U. S. Dept. Agric, pp. 90-92, 1900. 



Exhibit: Adult and figure. 



INJURING THE LEAYES. 

 GOOSEBERRY SPANWORM. 



Cymatophora ribearia Fitch. 



For short account see Lugger, 1th Rpt. State Entom. Minn., 

 pp. 184-186, 1899. 



Exhibit: Eggs, larva, pupa, adult, and figure. 



