Principal household insects of the United States . Pio. 62.—Sitodrepa jHeadoflarva, shown above;leg of larva below—muchenlarged (original). 126 PRINCIPAL HOUSEHOLD INSECTS. victim relentlessly, even entering insect boxes infested by its host, asthe writer had once occasion to observe. A diminutive mite, Pedicu-loides ventricosus New p., also preys upon this as well as upon many otherspecies of like habits, attacking it in its larval and pupal condition. THE CIGARETTE BEETLE. {Lasioderma serricorue Fab.). —Lasioderma serricorue: a, larva; b, pupa; c, beetle; d, same, lateral view—allenla


Principal household insects of the United States . Pio. 62.—Sitodrepa jHeadoflarva, shown above;leg of larva below—muchenlarged (original). 126 PRINCIPAL HOUSEHOLD INSECTS. victim relentlessly, even entering insect boxes infested by its host, asthe writer had once occasion to observe. A diminutive mite, Pedicu-loides ventricosus New p., also preys upon this as well as upon many otherspecies of like habits, attacking it in its larval and pupal condition. THE CIGARETTE BEETLE. {Lasioderma serricorue Fab.). —Lasioderma serricorue: a, larva; b, pupa; c, beetle; d, same, lateral view—allenlarged; e, antenna—much enlarged (authors illustration, reengraved). Another little beetle, superficially resembling the preceding speciesand having very similar habits, often occurs in houses. As its Englishname indicates, it is chiefly known as a destroyer of tobacco, and as such,in the opinion of many thinking people, should be classified with bene-ficial insects. It is by no means so common as the drug-store beetle,but it is on the increase and doubtless will in time be found to havenearly the same range of food materials. As a tobacco feeder it out-ranks that species, and also appears to favorcertain medicinal plants not so often affectedby the Sitodrepa. Of household supplies it has been found,in the experience of the writer as well as ofothers, infesting cayenne pepper, ginger, rhu-barb, rice, figs, yeast cakes, and prepared fishfood. It has been reported as destructive tosilk and plus


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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherwashi, bookyear1896