. 1st report of Dr. Fitch on the noxious, beneficial and other insects, detrimental to agriculture, made to the New York State Agricultural Society. Beneficial insects; Insect pests; Insects. hk;kory. tetjnk—tiger cerameyy. the larva. 149 Except in those cases where its burrow is taken possession of by ants, the exterior opening which is made „ Iby this beetle when it crawls out from the 1 ^L^^ i i ^^^^' ^°°" closes up, leaving a round, ragged t ^^^*' l| ^'^^^ ^poT3. the smooth back of the bitter wal- ** nut and the limbs of the shag-bark walnutj which is visible for many years afterw
. 1st report of Dr. Fitch on the noxious, beneficial and other insects, detrimental to agriculture, made to the New York State Agricultural Society. Beneficial insects; Insect pests; Insects. hk;kory. tetjnk—tiger cerameyy. the larva. 149 Except in those cases where its burrow is taken possession of by ants, the exterior opening which is made „ Iby this beetle when it crawls out from the 1 ^L^^ i i ^^^^' ^°°" closes up, leaving a round, ragged t ^^^*' l| ^'^^^ ^poT3. the smooth back of the bitter wal- ** nut and the limbs of the shag-bark walnutj which is visible for many years afterwards. Two of these scars are represented in the annexed cut. By the occurrence of these scars upon the bark we may be able to ascer- tain what trees have been infested by these and other borers, and will consequently have the wood perforated with holes and unfit for any valuable use. Neither in Dr. Ratzeburg's celebrated work upon forest insects nor any other author which I have at hand do I find any account of the larvse of the important genus of wood-boring beetles to whicTi this species pertains. I therefore give a more full and particular description of it. The Larva, when full grown is somewhat over an incU in length and a quarter of an inch in diameter across the second or broadest segment. It is a soft, smooth and^ slightlji shining worm of a cream yellow color and a cylindrical form, slightly bulged and broader at the thorax, and is divided into thirteen segments by strongly impressed transverse lines, the sutures of the abdominal segments being more wide than those of the thorax. The nine breathing pores upon each side form eiUpticil pale yellow spots with a dark chesniit colored line in the centre of each; the first pore is situated in the suture at the base of the second segment, the others are near the middle of the fifth and each of the following segments. A faint darker stripe extends along the middle of the back and is interrupted at the sutures, and upon t
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectb, booksubjectinsects
