Principal household insects of the United States . undant in Germany andneighboring Europeancountries, but, like most ofthe other domestic species,has become world-wide in distribution. In this country it is very oftenstyled the Oroton bug, this designation coming from the fact, alreadyalluded to, that attention was first prominently drawn to it at the timeof the completion of the Croton system of waterworks in New YorkCity. It hadprobably beenintroduced longpreviously, butthe extension ofthe waterworkssystem and ofpiping afforded itmeans of ingressinto residences,and greatly en-couraged itssp
Principal household insects of the United States . undant in Germany andneighboring Europeancountries, but, like most ofthe other domestic species,has become world-wide in distribution. In this country it is very oftenstyled the Oroton bug, this designation coming from the fact, alreadyalluded to, that attention was first prominently drawn to it at the timeof the completion of the Croton system of waterworks in New YorkCity. It hadprobably beenintroduced longpreviously, butthe extension ofthe waterworkssystem and ofpiping afforded itmeans of ingressinto residences,and greatly en-couraged itsspread and facili-tated its multi-plication. The dampness of water pipes is favorable to it, and it maybe carried by the pressure of the water long distances through thepipes without injury. This roach has so multiplied in the easternUnited States that it has now become the commonest and best known Fig. 41.—The oriental roach {Periplaneta orieyitalis): a,female; b, male; c, side view of female; d, half-grownspecimen—all natural size (original).. Fig. 42.—The German roach (Ectobia germanica): a, first stage; b, secondstage; c, third stage; d, fourth stage ; e, adult; /, adult female with egg-case; g, egg-case—enlarged; h, adult with wings spread—all natural sizeexcept 0. (From Hiley.) i See Kalrns Travels, Vol. I, p. 321; II, p. 256. COCKROACHES AND HOU8E 1NT8. 03 of the domestic species, and its injuries to Pood products, hooks, etc,and the disgusting results of its presence in pantries, storehouses, andbakeries, give it really a greater economic importance than any of theother species. It is very light Ixown in color, and characteristically marked on thethorax with two dark-brown stripes. Ii is more active and wary thanthe larger species and much more difficult to eradicate. It is thesmallest of the domestic species, rarely exceeding five-eighths of aninch in length, and multiplies much more rapidly than the others, thebreeding period being shorter and the number of eg
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsectp, bookyear1896
