218 NEW YORK STATE MUSEUM 
larged in the accompanying figure.. This insect is found so generally dis- 
tributed over houses that it is difficult to use insecticides against it 
successfully. Fresh pyrethrum kills it readily and may be used wherever 
Say 

(y 
Fig. 16 LepisMA pomesrtica ( After Marlatt: U.S. Dep’t agriculture, Division entomology, 
Bulletin 4). 
practicable. Asa rule not much damage is done excépt in rather moist 
situations or where objects are undisturbed for a series of years, as in the 
case of the senate bill illustrated above. 
The following are the principal references to this species. 
Packard, A.S. Peabody academy of science. 5th Report. 1873. 
p. 48 (original description). 
Lintner, J. A. Insects of New York. 4th Report. 1888. p. 179 
(injuring labels, etc., as Lepisma domestica); — 6th Report. 1890. 
p- 190 (eating lace, paper boxes, as Lepisma domestica) ; — 1oth Report 
1895. p. 519 (mention). 
Bergroth, Evald. Entomologica americana. 1890. 6: 233 (re- 
ferred to Zhermobia). 
Marlatt, C. L. U.S. Dep’t agriculture, Division entomology. 
Bulletin 4 (new series). 1896. p. 76-78, fig. 77 (general account, as 
Lepisma). 
