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 . very trans-verse. A. dypeata Smith is a Mexican species. In Eclton the man-dibles nearly equalthe length of the in-sect itself. This ge-nus is the mostferocious of all theants, entering the nestof species of Formicaand tearing them,limb from limb, andthen carrj-ing off theremains to their ownhouses. Eciton MexicanaRoger (Fig. 114,worker major, a, frontview of head, show-Fig. 114. ing the immensesickle-like mandibles, and only the two basal joints
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 . very trans-verse. A. dypeata Smith is a Mexican species. In Eclton the man-dibles nearly equalthe length of the in-sect itself. This ge-nus is the mostferocious of all theants, entering the nestof species of Formicaand tearing them,limb from limb, andthen carrj-ing off theremains to their ownhouses. Eciton MexicanaRoger (Fig. 114,worker major, a, frontview of head, show-Fig. 114. ing the immensesickle-like mandibles, and only the two basal joints of theantennae; Fig. 115, worker minor, with a front view of thehead, showing the mandi-bles of the usual size).This species, with EcitonSumichrasti Norton, (, worker minor) hasbeen found by ProfessorSumichrast at Cordova andOrizaba, Mexico. The males of Eciton arenot yet known. Smithsupposes that Lahidus (agenus allied to Dorylus) isthe male form, and Sumi-chrast thinks this conjec-ture is sustained by the Fig. that it is in the season when the sorties of the Ecitonare the more frequent that the Labidus also show rORMICARLE. 187
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
