HOUSEHOLD AND CAMP INSECTS 



said to be injurious to furs, clothing, roots, grain, stuffed animals, 

 etc. It also damages leather-bound books. The life cycle in the 

 latitude of Washington has been completed in about 3^2 months 

 and it is therefore probable that there is more than one genera- 

 tion annually. 



The brown spider beetle 90 lives with the preceding, has similar 

 habits and differs particularly in the absence of the white markings. 



The pea weevil 91 and various bean weevils 92 are stout, grayish 

 weevils most 'easily recognized by their occurring respectively in 

 peas and beans. The original infestation usually takes place in the 



Fig. 37 Bean weevil, seen 

 from above, enlarged. (Author's 

 illustration) 



Fig. 38 Pea weevil, seen from above, en- 

 larged. (Author's illustration) 



field, though these insects are capable of breeding for extended 

 periods in the dried seeds of their food plants. The presence of 

 the beetles in a house is an almost infallible indication of infested 

 peas or beans. It is usually more satisfactory to burn a small lot 

 infested by these insects. 



Control measures. It is comparatively easy, with the exercise 

 of a moderate degree of care, to avoid serious injury by any of 

 these pests, since they invariably require access to a liberal amount 

 of food for an extended period. Any materials likely to produce 

 numbers of these insects should not be allowed to lie undisturbed 

 and accessible for a series of months. Most of these pests can 



90 Ptinus brunneus Duft. 

 91 Bruchus pisorum Linn. 

 92 B. obtectus Say and others. 



