38 



NEW YORK STATE MUSEUM 



adult and larva attack bacon, meat, etc. The life cycle can be 

 completed in about six weeks. 



Treatment : cleanliness and excluding insects from the food. 



76 Croton bu^ (Phyllodromia germanica). This is 

 the smaller, light brown roach about J inch long found in houses. 

 It is very prolific, and is the species that is more abundant in 

 cities. 



9 



Fig. 68 Croton bug: a, &, c, d successive immature stages; e adult; /adult female with q%^ case; 

 g egg case enlarged ; h adult with wings spread— all natural size except g (after Riley) 



Treatment: roach poisons, such as Hooper's fatal food. Paris 

 green with sugar has been used successfully, but is a dangerous 

 poison. Fumigate 

 with sulfur where 

 possible. Entice the 

 bugs to enter ves- 

 sels partly filled 

 with stale beer 

 from which no es- ^ ^ 



cape is provided. ^ f^\ M / ^ 



77 Cockroach (P e- 

 riplaneta ori- 

 ent a 1 i s ). This 

 is the larger dark 

 brown species an 

 inch or more long, 

 found in dwellings. 

 It was much less wary than the preceding form. 



Treatment: same as for the croton bug. 



Fig. 69 Cockroach : a and e female ; b male ; d half-grown 

 specimen — all natural size (after Marlatt, U. S. dep't agr., dlv. 

 ent., bull. 4, n. s.) 



