. Economic entomology for the farmer and fruit-grower. Beneficial insects. THE INSECT WORLD. 195 The " apple-twig borer," Amphicenis bicaudatus, is about the only species needing especial remark, and this beetle bores into small apple-twigs in early spring, entering close to a bud and making a channel several inches in length, apparently for food and shelter merely. It remains in these burrows a short time only, and then lays its eggs in the dead or dying roots of '' cat- F"lG. Apple-twig borer, Amphicenis bicaiidatus.—a, beetle, from above ; b, same, in outline, from side; d, l
. Economic entomology for the farmer and fruit-grower. Beneficial insects. THE INSECT WORLD. 195 The " apple-twig borer," Amphicenis bicaudatus, is about the only species needing especial remark, and this beetle bores into small apple-twigs in early spring, entering close to a bud and making a channel several inches in length, apparently for food and shelter merely. It remains in these burrows a short time only, and then lays its eggs in the dead or dying roots of '' cat- F"lG. Apple-twig borer, Amphicenis bicaiidatus.—a, beetle, from above ; b, same, in outline, from side; d, larva; g, pupa; h, same in larval burrow; c, e,f, structural details. brier," or " greenbrier" {Stnilax sp.), or in dead shoots of grape. The insects rarely appear in troublesome numbers, and then good practice is to look after neglected vineyards or grape tangles in near-by woods, and after brier thickets, which latter are an abomination at best and should be destroyed. There are other Serricorn families, small both in size and in the number of species they contain, but they are mostly rare, of no economic importance, and need not be referred to here even by 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 Smith, John Bernhard, 1858-1912. Philadelphia and London, J. B. Lippincott company
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