天气预报 > 生活 > 蝉是一种怎样的动物
蝉是一种怎样的动物
更新时间: 2021-11-10 14:33:32  

蝉是半翅目蝉科动物,分布于温带及热带地区,栖息于沙漠、草原和森林。蝉的幼虫生活在土中,有一对强壮的开掘前足,利用刺吸式口器刺吸植物根部汁液;7月下旬,雌成虫开始产卵,8月上、中旬为产卵盛期。它有两对膜翅,形状基本相同;头部宽而短,具有明显突出的额唇基;眼不大,位于头部两侧且分得很开,有3个单眼;触角短,呈须状,口器细长,口器内有食管与唾液管,属于刺吸式。

关键词: 怎样 动物

蝉是一种怎样的动物相关经验

天气预报

最新推荐

页面:/news/view-84849/ | 耗时:0.2621 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=84849 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=84849 LIMIT 0,1
select * from tbl_Articles_sphinx where id=84849 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1104268,1133103,1067914,1086144,1107000,1116928,1128265,1104463,1091845,1479927,1047419,1082904,1100981,1125253,1128187,1102869,1107178,1070164,1104051,1081069,1105573,1131631,1056892,1122859,1132463,1123701,1105331,1371892,1126106,1124390) ORDER BY field (ArticleID,1104268,1133103,1067914,1086144,1107000,1116928,1128265,1104463,1091845,1479927,1047419,1082904,1100981,1125253,1128187,1102869,1107178,1070164,1104051,1081069,1105573,1131631,1056892,1122859,1132463,1123701,1105331,1371892,1126106,1124390)