加 分gq6: g% 年 .绝 033中o女 A.刺科：B蚊科 .20 21趾陶单序 2 ,胜陶双序成三序 .23 22体细长，无佩条纹：前胸气门前下方的前胸侧毛3根 科Pterophoridae 体租壮常有纵条纹：前衡气门前下方的前胸侧毛2根或1：中足和后足上毛片仅具1毛：部分种类腹郎第1或第1~2腹节上的腹足 .夜蛾 灰科 yc的的列是连的 .24 24体色显著，常鲜艳：体光：中胸具肉质丝状突起，其它体竹特别是第8腹也常具此种突起 .斑蝶科 .多理色武黄色：作节多策环，环上分布有小哭起和次生毛：休上无内质丝软夹起：两服部每节有4~6个皱环碧姓得P: 作业与思考题图65 鳞翅目的幼虫 A.刺蛾科；B.潜蛾科；C.舟蛾科；D.尺蛾科；E.蚕蛾科；F.凤蝶科； G.枯叶蛾科；H.大蚕蛾科；I.卷蛾科 19 前胸侧毛位于前胸盾上；幼虫栖息于袋囊内············································································· 蓑蛾科Psychidae - 前胸侧毛不位于前胸盾上，独立位于气门之前··································································································· 20 20 腹足远比胸足短；趾钩单序环；前胸侧毛组各毛远离；体长小于10 mm··························· 潜蛾科Lyonetiidae - 腹足与胸足等长；趾钩为双序缺环或单序环；体长常大于10 mm········································· 菜蛾科Plutellidae 21 趾钩单序 ·································································································································································· 22 - 趾钩双序或三序 ······················································································································································· 23 22 体细长，无纵条纹；前胸气门前下方的前胸侧毛3根······················································· 羽蛾科Pterophoridae - 体粗壮，常有纵条纹；前胸气门前下方的前胸侧毛2根或1根；中足和后足上毛片仅具1毛；部分种类腹部第1或第1～2腹节上的腹足退 化 ························································································································································ 夜蛾 科Noctuidae 23 中带的趾钩是中断的，近趾钩列的中部有1个肉质呈匙状的构造；体宽扁，蛞蝓型······································ ······························································································································································ 灰蝶科 Lycaenidse - 中带的趾钩列是连续的 ··········································································································································· 24 24 体色显著，常鲜艳；体光滑；中胸具肉质丝状突起，其它体节特别是第8腹节也常具此种突起·················· ························································································································································· 斑蝶科 Danaidae - 体多绿色或黄色；体节多皱环，环上分布有小突起和次生毛；体上无肉质丝状突起；胸腹部每节有4～6个皱环 粉蝶科Pieridae 作业与思考题 1．根据以上的检索表，将老师编号的标本鉴定到科。 2．为什么说鳞翅目是为害农作物害虫的第1大目