848 NEW YORK STATE MUSEUM 



90 Cockroach, Periplaneta orientalis Linn. Prin- 

 cipal food: a very general feeder. 



Treatment: same as for 89. 



Chief accessible articles: Marlatt, C. L. U. S. dep't. agric. div. 

 ent. Bui. 4, n. s. '96. p. 90-95; Felt, E. P. N. Y. state agric. soc. 

 Trans. '99. 59:299. 



91 Black carpet beetle, Attagenus piceus Oliv. Prin- 

 cipal food: woolens, horn, dried animal matter. 



Treatment: Use rugs or matting in place of carpet when- 

 ever possible. Infested carpets should be taken up and sprayed 

 with benzin, and the cracks in the floor should be filled with 

 plaster before relaying. Clean garments and furs thoroughly 

 and store during the summer in tight boxes. Fumigate infested 

 apartments with sulfur. 



Chief accessible articles: Lintner, J. A., state ent. 2d rep't, '85. 



p. 46-48; 9th rep't, '92. p. 299-306; Howard, L. 0., and 



Marlatt, C. I. U. S. dep't agric. div. ent. Bui. 4, n. s. '96. p. 61-63; 

 Chittenden, F. H. U. S. dep't agric. div. ent. Bui. 8, n. s. '97. 

 p. 15-19; Felt, E. P. N. Y. state agric. soc. Trans. '99. 59: 297-98. 



92 Buffalo carpet beetle, Anthrenus scrophulariae 

 Linn. Principal food: woolens, dried animal matter. 



Treatment: same as for 91. 



Chief accessible articles: Lintner, J. A., state ent. 9th rep't, '92. 

 p. 299-306; Howard, L. 0., and Marlatt, C. L. U. S. dep't agric. div. 

 ent. Bui. 4, n. s. '96. p. 58-60; Felt, E. P. N. Y. state agric. soc. 

 Trans. '99. 59: 297-98. 



93 Two spotted ladybug, Adalia bipunctata Linn. 

 Food: Preys on other insects and is therefore beneficial, though 

 it is frequently mistaken for a carpet beetle. 



Treatment: Always protect the beetles. 



Chief accessible articles: Lintner, J. A., state ent. 9th rep't^ 

 '92. p. 300; Felt, E. P. N. Y. state agric. soc. Trans. '99. 59: 297. 



94 Museum pest, Anthrenus verbasci Linn. Principal 

 food: dried animal matter. 



Treatment: Exclude from collections by using tight boxes,, 

 and supplement by frequent examinations, fumigate infested 

 boxes with carbon bisulfid. 



