Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . Fi^. 480 The Blister beetles, of which Lytta (Cantharis) affords many-species, secrete the substance known as Cantharadine. The Spanish-fly isused in commerce,and is a brightshining green species. Our nativeforms, which aswell as M e 1 o e,when dried, canFig. 453. be used for pro- ducing blisters, are dark colored. Their larvoe have the sameform as that of Meloe ; it remains yet to ascertain theirtrue habits, though Latreille st

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Guide to the study of insects and a treatise on those injurious and beneficial to crops, for the use of colleges, farm-schools, and agriculturists . Fi^. 480 The Blister beetles, of which Lytta (Cantharis) affords many-species, secrete the substance known as Cantharadine. The Spanish-fly isused in commerce,and is a brightshining green species. Our nativeforms, which aswell as M e 1 o e,when dried, canFig. 453. be used for pro- ducing blisters, are dark colored. Their larvoe have the sameform as that of Meloe ; it remains yet to ascertain theirtrue habits, though Latreille states that they live beneath theground feeding on the roots of vegetables. Amongthe species of Blister beetles which are especiallyinjuiious to the potato are Lytta vittata Fabr. (), L. cinerea Fabr. (Fig. 453, a), L. murina \ (^*» ^^^ ^) ^^^ ^ innarginata Fabr. (Fig. 454).* j^iJIP J Phodaga alticeps Lee. (Fig. 455 ; 1, front of male ;/ \ 2, profile of male ; 3, anterior tibia and tarsus ; 4,middle tibia; 5, claw; from Horn) is a Californianremarkable for the great differences between the

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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects