An insect of the family Cerambycidae in the order Coleoptera. Body length is about 8 mm. The body is black with a large red pattern in the center of the pronotum. The abdomen is reddish brown. The elytra are densely covered with short gray hairs. The antennae are almost the same length as the body. It is a major pest of chrysanthemums. Adults bite into the stems of chrysanthemums in a ring shape and lay eggs, causing the stems beyond that to wither. The larvae feed inside the stems toward the base. They appear from April to August and are distributed in Hokkaido, Honshu, Shikoku, Kyushu, Korea, China, Siberia, Taiwan, etc. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
鞘翅目カミキリムシ科の昆虫。体長 8mm内外。体は黒色で,前胸背中央に大きな赤色紋がある。腹部は赤褐色。上翅に灰色の短毛を密生する。触角は体長とほぼ等長である。キクの大害虫で,成虫はキクの茎に輪状に噛み傷をつけて産卵するため,そこから先の部分はしおれてしまう。また幼虫は茎の中を根もとに向って食べ進む。4~8月に出現し,北海道,本州,四国,九州,朝鮮,中国,シベリア,台湾などに分布する。
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