|
|
<div class="pct"> <div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_463629">
<i class="pstatus"> 本帖最后由 子虚 于 2009-5-16 20:48 编辑 </i><br>
<br>
拍这几张豆娘，把我的眼睛也搞豆老。不容易呀，筒子们！<br>
<br>
<br>
豆娘属于昆虫纲，蜻蜓目，束翅亚目。它体形娇小，休息时翅束于背上方，是一类极美的益虫，国外有些昆虫爱好者对其痴迷的程度甚至超过了蝴蝶。全世界的豆娘约有2800种。豆娘是肉食性昆虫，它们擅长捕食空中的小飞虫，不过由于体型较小，飞行速度较慢，因此豆娘主要是以体型微小的蚊、蝇和蚜虫、介壳虫、木虱、飞虱等昆虫为主食，在“闹饥荒”的时候，偶尔也会发生大豆娘捕食小豆娘的情形。从春季到秋季，从平地至中海拔山区，各种水域旁都有机会找到一些常见的豆娘。只不过许多豆娘体形纤细又不善于长距离飞行，稍不注意便很容易忽略它们，而且它们的长相和蜻蜓很相近，一不小心就将两者混淆了。<br>
<br>
蜻蜓与豆娘的主要差别： <br>
1. 眼睛的距离： 蜻蜓的复眼大部分是彼此相连或只有小距离的分开；豆娘的两眼有相当大距离的分开，形状如同哑铃一般。 <br>
2. 翅膀的形状：蜻蜓的前后翅形状大小不同，差异甚大；豆娘的前翅形状大小近似，差异甚小。 <br>
3. 腹部的形状： 蜻蜓的腹部形状较为扁平，也较粗；豆娘的腹部形状较为细瘦，呈圆棍棒状。 <br>
4. 停栖方式： 蜻蜓在停栖时，会将翅膀平展在身体的两侧；一般豆娘在停栖时，会将翅膀合起来直立于背上。<br>
<br>
<br>
（有关豆娘的知识介绍来自百度百科知识。）</td></tr></tbody></table>
<div class="pattl">
<ignore_js_op>
<dl class="tattl attm">
<dt></dt>
<dd>
<p class="mbn">
DSC_0226A.jpg
(41.8 KB, 下载次数: 0)
</p>
<div class="tip tip_4" id="aid80037_menu" style="display: none" disautofocus="true">
<div>
<p>
下载附件
</p>
<p>
<span class="y">2009-5-16 20:46 上传</span>
<img src="static/image/common/rleft.gif" class="vm">
<img src="static/image/common/rright.gif" class="vm">
</p>
</div>
<div class="tip_horn"></div>
</div>
<p class="mbn">
</p>
<div class="mbn savephotop">
<img id="aimg_80037" aid="80037" src="http://img.cqxszx.com/forum/month_0905/0905162046139508cb32547320.jpg" src="http://img.cqxszx.com/forum/month_0905/0905162046139508cb32547320.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="800" alt="DSC_0226A.jpg" title="DSC_0226A.jpg" w="800">
</div>
</dd>
</dl>
</ignore_js_op>
<ignore_js_op>
<dl class="tattl attm">
<dt></dt>
<dd>
<p class="mbn">
DSC_0229A.jpg
(29.71 KB, 下载次数: 0)
</p>
<div class="tip tip_4" id="aid80038_menu" style="display: none" disautofocus="true">
<div>
<p>
下载附件
</p>
<p>
<span class="y">2009-5-16 20:48 上传</span>
<img src="static/image/common/rleft.gif" class="vm">
<img src="static/image/common/rright.gif" class="vm">
</p>
</div>
<div class="tip_horn"></div>
</div>
<p class="mbn">
</p>
<div class="mbn savephotop">
<img id="aimg_80038" aid="80038" src="http://img.cqxszx.com/forum/month_0905/090516204892dfb8038361cf2b.jpg" src="http://img.cqxszx.com/forum/month_0905/090516204892dfb8038361cf2b.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="700" alt="DSC_0229A.jpg" title="DSC_0229A.jpg" w="700">
</div>
</dd>
</dl>
</ignore_js_op>
</div>
</div>
<div id="comment_463629" class="cm">
</div>
<div id="post_rate_div_463629"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_463633">
安逸啊</td></tr></tbody></table>
</div>
<div id="comment_463633" class="cm">
</div>
<div id="post_rate_div_463633"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_463634">
<i class="pstatus"> 本帖最后由 子虚 于 2009-5-16 20:58 编辑 </i><br>
<br>
豆娘</td></tr></tbody></table>
<div class="pattl">
<ignore_js_op>
<dl class="tattl attm">
<dt></dt>
<dd>
<p class="mbn">
DSC_0236A.jpg
(42.51 KB, 下载次数: 0)
</p>
<div class="tip tip_4" id="aid80041_menu" style="display: none" disautofocus="true">
<div>
<p>
下载附件
</p>
<p>
<span class="y">2009-5-16 20:58 上传</span>
<img src="static/image/common/rleft.gif" class="vm">
<img src="static/image/common/rright.gif" class="vm">
</p>
</div>
<div class="tip_horn"></div>
</div>
<p class="mbn">
</p>
<div class="mbn savephotop">
<img id="aimg_80041" aid="80041" src="http://img.cqxszx.com/forum/month_0905/09051620583d5f83d641c7eceb.jpg" src="http://img.cqxszx.com/forum/month_0905/09051620583d5f83d641c7eceb.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="705" alt="DSC_0236A.jpg" title="DSC_0236A.jpg" w="705">
</div>
</dd>
</dl>
</ignore_js_op>
<ignore_js_op>
<dl class="tattl attm">
<dt></dt>
<dd>
<p class="mbn">
DSC_0239A.jpg
(45.54 KB, 下载次数: 0)
</p>
<div class="tip tip_4" id="aid80042_menu" style="display: none" disautofocus="true">
<div>
<p>
下载附件
</p>
<p>
<span class="y">2009-5-16 20:58 上传</span>
<img src="static/image/common/rleft.gif" class="vm">
<img src="static/image/common/rright.gif" class="vm">
</p>
</div>
<div class="tip_horn"></div>
</div>
<p class="mbn">
</p>
<div class="mbn savephotop">
<img id="aimg_80042" aid="80042" src="http://img.cqxszx.com/forum/month_0905/09051620587dab0b145192044e.jpg" src="http://img.cqxszx.com/forum/month_0905/09051620587dab0b145192044e.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="718" alt="DSC_0239A.jpg" title="DSC_0239A.jpg" w="718">
</div>
</dd>
</dl>
</ignore_js_op>
</div>
</div>
<div id="comment_463634" class="cm">
</div>
<div id="post_rate_div_463634"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_463635">
豆娘</td></tr></tbody></table>
<div class="pattl">
<ignore_js_op>
<dl class="tattl attm">
<dt></dt>
<dd>
<p class="mbn">
DSC_0231A.jpg
(32.76 KB, 下载次数: 0)
</p>
<div class="tip tip_4" id="aid80039_menu" style="display: none" disautofocus="true">
<div>
<p>
下载附件
</p>
<p>
<span class="y">2009-5-16 20:57 上传</span>
<img src="static/image/common/rleft.gif" class="vm">
<img src="static/image/common/rright.gif" class="vm">
</p>
</div>
<div class="tip_horn"></div>
</div>
<p class="mbn">
</p>
<div class="mbn savephotop">
<img id="aimg_80039" aid="80039" src="http://img.cqxszx.com/forum/month_0905/09051620575d8642f4610ba0af.jpg" src="http://img.cqxszx.com/forum/month_0905/09051620575d8642f4610ba0af.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="700" alt="DSC_0231A.jpg" title="DSC_0231A.jpg" w="700">
</div>
</dd>
</dl>
</ignore_js_op>
<ignore_js_op>
<dl class="tattl attm">
<dt></dt>
<dd>
<p class="mbn">
DSC_0234A.jpg
(41.19 KB, 下载次数: 0)
</p>
<div class="tip tip_4" id="aid80040_menu" style="display: none" disautofocus="true">
<div>
<p>
下载附件
</p>
<p>
<span class="y">2009-5-16 20:57 上传</span>
<img src="static/image/common/rleft.gif" class="vm">
<img src="static/image/common/rright.gif" class="vm">
</p>
</div>
<div class="tip_horn"></div>
</div>
<p class="mbn">
</p>
<div class="mbn savephotop">
<img id="aimg_80040" aid="80040" src="http://img.cqxszx.com/forum/month_0905/090516205711147b60045fd459.jpg" src="http://img.cqxszx.com/forum/month_0905/090516205711147b60045fd459.jpg" class="zoom" onclick="zoom(this, this.src, 0, 0, 0)" width="800" alt="DSC_0234A.jpg" title="DSC_0234A.jpg" w="800">
</div>
</dd>
</dl>
</ignore_js_op>
</div>
</div>
<div id="comment_463635" class="cm">
</div>
<div id="post_rate_div_463635"></div>
</div>
</div>,<div class="pct"><div class="pcb">
<div class="t_fsz">
<table cellspacing="0" cellpadding="0"><tbody><tr><td class="t_f" id="postmessage_463636">
豆娘</td></tr></tbody></table>
<div class="pattl">
<ignore_js_op>
<dl class="tattl attm">
<dt></dt>
<dd>
<p class="mbn">
DSC_0245A.jpg
(31.43 KB, 下载次数: 0)
</p>
<div class="tip tip_4" id="aid80043_menu" style="display: none" disautofocus="true">
<div>
<p>
下载附件
</p>
<p>
<span class="y">2 |
|
发表于 2019-4-7 16:07:58