. Injurious insects of the farm and garden. With a chapter on beneficial insects. Insects. OP THE FARM AKD GARDEN'. l-J State of New York, it being scarcely known as an injuri- ous insect in the East. The general color of the beetle is ash-gray, marked with black as in the cut (fig. 112, c), and with the scutel or small semi-circular space immedi- ately behind the thorax, between the wings, of a yellow- ish color. Its larval habits were for a long time un- known, but it was recently ascertained that it breeds in the twigs and tender branches of the Bur Oak; we have good reason to believe that
. Injurious insects of the farm and garden. With a chapter on beneficial insects. Insects. OP THE FARM AKD GARDEN'. l-J State of New York, it being scarcely known as an injuri- ous insect in the East. The general color of the beetle is ash-gray, marked with black as in the cut (fig. 112, c), and with the scutel or small semi-circular space immedi- ately behind the thorax, between the wings, of a yellow- ish color. Its larval habits were for a long time un- known, but it was recently ascertained that it breeds in the twigs and tender branches of the Bur Oak; we have good reason to believe that it also breeds in those of the Pignut Hickory. The female, in depositing, first makes a longitudi- nal excavation with her jaws (fig. 112, a), eating upwards under the bark towards the end of the branch, and afterwards turns round to thrust her egg into the excavation. The larva (fig. 112, b), hatching from the egg is of the usual pale- yellow color with a tawny head. We have watched the whole opera- tion of depositing, and, returning to the punctured twig a few days after the operation was performed, have cut out the young larva; but we do not yet know how long a time the larva needs to come to its growth, nor whether it undergoes its transformations within the branch, or leaves it for this purpose, to enter the ground; though the former hypothesis is the most likely. The same methods of catching this beetle may be em- ployed as with the Plum —NEW TOKK WEE- VIL (lihycerus Novebora- cen^is, Foreter.) a, Puncture ; 6, Larva; c, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Treat, Mary, b. 1835. New York, Orange Judd
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1887
