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. Bul. 4, n: s. 796. p. 90-95; Felt, E. P. N. Y. statesapricy soca. 
Dian Sato ao 2209. 
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. 299-806; Howard, L. 0., and 
Marlatt, C. L. U. S. dep’t agric. div. ent. Bul. 4, n. s. 96. p. 61-63; 
Chittenden, F. H. U. S. dep’t agric. div. ent. Bul. 8, n. s. 797. 
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, 792. 
p. 299-306; Howard, L. 0., and Marlatt, C. L. U.S. dep’t agrie. div. 
ent. Bul. 4, n. s. ’96. p. 58-60; Felt, poe N. Y. state agric. soc. 
Trans. 99. 592 297-98. 
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. 
