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CHAPTER VIII. 



Household Insects and Pests of Stored 

 Products. 



COCKROACHES. Orthoptera. 



Cockroaches are very common throughout the tropics, 

 occurring in houses, buildings of all sorts, and in a great 

 variety of out-door situations. The species which live in 

 dwelling houses are offensive and injurious. They impart 

 their distinctive and disagreeable odour to eatables or 

 utensils with which they may come into contact, and they 

 cause serious injury by their attacks on book bindings, 



Pig. 151. American cockroach. 

 Enlarged. (From U. S. Dept. Agric.) - 



