...The nest of the Japanese black mountain ant (illustration) is built underground in sunny areas and consists of vertical passages 2-3m deep and numerous small rooms. During the season when the larvae grow, the part close to the ground surface spreads horizontally and the number of nest openings also increases (Figure). The Japanese ant builds its nest along the roots of bamboo and other plants, rears endemic ant cowrie scale insects, and does not normally come out to the ground. When the female ant takes off on her mating flight, she always takes one of them in her mouth. ... From Mealybugs…Most species have permanent legs and are capable of walking and moving. In addition to infesting leaves, fruits, branches, and trunks, there are also species that parasitize under the leaf sheaths of grasses, cat mealybugs that parasitize roots, and ant mealybugs that live in the soil and coexist with ants. When they mature, many form egg sacs from a cotton-like secretion, and they grow in colonies, ruining the beauty of plants, and their excreted liquid (honeydew) causes great damage by inducing sooty mildew. … *Some of the terminology that refers to "ant capsule scale insects" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…クロヤマアリ(イラスト)の巣は日当りのよい土地の地中につくられ,深さ2~3mの垂直な通路と多数の小部屋からなり,幼虫の成育する季節には地表に近い部分を横に広げ,巣口の数も増える(図)。ミツバアリはタケなどの根に沿って巣をつくり,固有のアリノタカラカイガラムシを飼養して平常は地上に出てこない。雌アリは結婚飛行の際,必ずその1匹をくわえて飛び立つ。… 【コナカイガラムシ】より…ほとんどの種は終生脚を有し,歩行,移動が可能。葉面,果実,枝,幹などのほか,イネ科植物の葉鞘(ようしよう)下に寄生する種や,根に寄生するネコナカイガラムシ類,土中に生活してアリと共生するアリノタカラカイガラムシなどもある。成熟すると綿状の分泌物で卵囊を形成するものが多く,群生して植物の美観を損ね,また排出液(甘露)がすす病を誘発して大害をもたらす。… ※「アリノタカラカイガラムシ」について言及している用語解説の一部を掲載しています。 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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