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 . Fig. 847. where the enlarged terminal joints give a rounded club-shapedtermination; lamellate, when the terminal joints are prolonged. Fig. 348. internally, forming broad leaf-like expansions, as in the Sea-rabeidcB, while the geniculate antenna is produced when Different forms of antennas: 1, seiTate; 2, pectinate; 3, capitate (andalso geniculate); 4, .5, 6, 7, clavate; 8, 9. lamellate; 10, serrate (Dorcatoma); 11, ir-regular (Gp-inus);
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 . Fig. 847. where the enlarged terminal joints give a rounded club-shapedtermination; lamellate, when the terminal joints are prolonged. Fig. 348. internally, forming broad leaf-like expansions, as in the Sea-rabeidcB, while the geniculate antenna is produced when Different forms of antennas: 1, seiTate; 2, pectinate; 3, capitate (andalso geniculate); 4, .5, 6, 7, clavate; 8, 9. lamellate; 10, serrate (Dorcatoma); 11, ir-regular (Gp-inus); 13, two-jointerl antenna of Artranes caecus. Fig. 348. 1, bipectinate: 2, flabellate antenna;; 3, maxillfe of Bembidium; 4, ofHydrophilus; 5, of Pselaphus; G, maxillary palpus of Ctenistes; 7, of Tmesiphorus; 8, of Tychus.—From Leconte. COLEOPTERA. 423 the second and succeeding joints make an angle with the firstThe mandibles are always well developed as chewing organs,becoming abuormall} enlarged in Lncanus, while in certainScarabeidffi the}^ are small and membranous. The maxillae (Fig. 348) are supposed to prepare the food tobe crushed by the mandibles. The body of the maxilla con-sists of the cardo; a second joint, stij^es, to which last areattached two lobes and a palp
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectinsects
