Indian forest insects of economic importance Coleoptera . - el. CL* sc py a FIG. 28.—Longicorn beetle (Batocera). Dorsal view with wings out-spread, v, vertex ; o, occiput ; a1 to a11, joints of antennae ; n1 2 sprothorax, mesothorax, metathorax ; el, elytron ; w, wing ; sc,scutellum ; i, 2 to 7. abdominal segments ; py, pygidium. wingless, the back being covered bystructures termed the elytra, which fitcentre. Beneath these elytra a pair ofusually present. Beetles are readilyinsects owing to the fact that the wholea hard horny substance known as chitin,it were in armour. The general sh


Indian forest insects of economic importance Coleoptera . - el. CL* sc py a FIG. 28.—Longicorn beetle (Batocera). Dorsal view with wings out-spread, v, vertex ; o, occiput ; a1 to a11, joints of antennae ; n1 2 sprothorax, mesothorax, metathorax ; el, elytron ; w, wing ; sc,scutellum ; i, 2 to 7. abdominal segments ; py, pygidium. wingless, the back being covered bystructures termed the elytra, which fitcentre. Beneath these elytra a pair ofusually present. Beetles are readilyinsects owing to the fact that the wholea hard horny substance known as chitin,it were in armour. The general shape is spherical, flator otherwise, tolong linear. On the headthe m andi blesare usually welldeveloped ; theeyes are com-pound, and oftendivided into twoparts, or they maybe reniform inshape;the anten-nae are el even (orfewer) or twelvejointed, the jointsvarying in shapeand length. Attimes, as in theBuprestidae, thefaces of thejoints may beset with porifer-ous pits. Theantennae areof importance inthe classifica-tion of the order, as are also the COLEOPTERA—CHARACTERS,


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbeetles, bookyear1914