A general term for insects of the Hemiptera family Pyrrhocoridae and Largidae. Pyrrhocoridae lack eyes and have four-segmented antennae. The small scutella are small. There are approximately 300 species worldwide, with eight in Japan. The two-spotted spotted bug Pyrrhocoris tibialis is 8-9 mm long and gray-brown in color. As its name suggests, it has two black stripes on the anterior lobe of its pronotum. Its anterior femora are thick and have a row of spines on the underside. It lives in colonies on the ground or under stones. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
半翅目ホシカメムシ科Pyrrhocoridaeおよびオオホシカメムシ科Largidaeの昆虫の総称。ホシカメムシ科は単眼を欠き触角は4節。小楯板(しようじゆんばん)は小型。世界に約300種,日本には8種分布する。フタモンホシカメムシPyrrhocoris tibialisは体長8~9mmで体は灰褐色。名のように,前胸背の前葉に黒色の2紋がある。前腿節は太く下面に一刺列がある。地表や石下に生活し群生する。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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