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<p><br /></p><div style="text-align: center;"><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://1.bp.blogspot.com/-g04usUmdYbY/YMcPrTiEeMI/AAAAAAAEa_s/aiydcDcaDd4FpSVO6I45TxpcGi3hdaSFQCLcBGAsYHQ/s1268/Gynacantha_chaplini-novataxa_2021-Khan__%2540Kawsaar_Khan.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1268" data-original-width="1268" height="400" src="https://1.bp.blogspot.com/-g04usUmdYbY/YMcPrTiEeMI/AAAAAAAEa_s/aiydcDcaDd4FpSVO6I45TxpcGi3hdaSFQCLcBGAsYHQ/w400-h400/Gynacantha_chaplini-novataxa_2021-Khan__%2540Kawsaar_Khan.jpg" width="400" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;"><span style="font-size: medium;"><b><i> Gynacantha chaplini </i></b></span> Khan, 2021<div style="text-align: right;"><span style="text-align: center;"><br /></span></div><div style="text-align: right;"><span style="text-align: center;"> </span><a href="https://twitter.com/Kawsaar_Khan/status/1402612557840453636" style="text-align: center;"><i>twitter.com/</i>Kawsaar_Khan</a><i> </i></div></td></tr></tbody></table></div><div style="text-align: center;"><br /></div><div style="text-align: center;"><bmbkawsar gmail.com=""><b>Abstract</b></bmbkawsar></div><div style="text-align: center;"><bmbkawsar gmail.com=""><b><i> Gynacantha chaplini </i>sp. nov. </b>is described based on a male collected from the north-eastern region of Bangladesh. Distinguishing features of the adult male are illustrated and discussed. <i>Gynacantha chaplini </i>sp. nov. is distinguished from its congeners by a dark brown trapezium-shaped mark on the postfrons. An updated key is provided to identify the males of the <i>Gynacantha </i>species known from South Asia (Bangladesh, Bhutan, India, Nepal, Pakistan, Sri Lanka).</bmbkawsar></div><div style="text-align: center;"><bmbkawsar gmail.com=""><b><br /></b></bmbkawsar></div><div style="text-align: center;"><bmbkawsar gmail.com=""><b>Key words: </b>Anisoptera, taxonomy, conservation, diversity and distribution, South Asia</bmbkawsar></div><div style="text-align: center;"><br /></div><div style="text-align: center;"><div><i><div class="separator" style="clear: both;"><a href="https://1.bp.blogspot.com/-B8MhVLUAUts/YMcIDOzO5gI/AAAAAAAEa_Q/kyEFHflNx_0COva0iecvhwUsMeJSdNICQCLcBGAsYHQ/s1648/Gynacantha_chaplini-novataxa_2021-Khan__%2540Kawsaar_Khan.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1268" data-original-width="1648" height="308" src="https://1.bp.blogspot.com/-B8MhVLUAUts/YMcIDOzO5gI/AAAAAAAEa_Q/kyEFHflNx_0COva0iecvhwUsMeJSdNICQCLcBGAsYHQ/w400-h308/Gynacantha_chaplini-novataxa_2021-Khan__%2540Kawsaar_Khan.jpg" width="400" /></a></div><div class="separator" style="clear: both;"><br /></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://1.bp.blogspot.com/-OBOgBpfWpAQ/YMcIanrIDjI/AAAAAAAEa_Y/wew2zY0H-ggEu8PVWMmzVWDlYbF9cf-mwCLcBGAsYHQ/s2022/Gynacantha_chaplini-novataxa_2021-Khan__%2540Kawsaar_Khan.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1434" data-original-width="2022" height="284" src="https://1.bp.blogspot.com/-OBOgBpfWpAQ/YMcIanrIDjI/AAAAAAAEa_Y/wew2zY0H-ggEu8PVWMmzVWDlYbF9cf-mwCLcBGAsYHQ/w400-h284/Gynacantha_chaplini-novataxa_2021-Khan__%2540Kawsaar_Khan.jpg" width="400" /></a></div><div><br /></div><div><div class="separator" style="clear: both;"><a href="https://1.bp.blogspot.com/-P_Lj8uLvuzo/YMcIiixlfEI/AAAAAAAEa_c/tgz5C9AOdYEdU29P4hHXV7O4BMbfsxqRwCLcBGAsYHQ/s1858/Gynacantha_chaplini-novataxa_2021-Khan__%2540Kawsaar_Khan.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1730" data-original-width="1858" height="373" src="https://1.bp.blogspot.com/-P_Lj8uLvuzo/YMcIiixlfEI/AAAAAAAEa_c/tgz5C9AOdYEdU29P4hHXV7O4BMbfsxqRwCLcBGAsYHQ/w400-h373/Gynacantha_chaplini-novataxa_2021-Khan__%2540Kawsaar_Khan.jpg" width="400" /></a></div><div class="separator" style="clear: both;"><br /></div></div></div></i></div></div><div style="text-align: center;"><div><div><br /></div></div><div>Md Kawsar Khan. 2021.<i> Gynacantha chaplini </i>sp. nov., A New Dragonfly from Bangladesh (Odonata: Aeshnidae). <b><i>Odonatologica. </i></b>50(1-2); 95-105. DOI:<i> 10.5281/zenodo.4746248 </i></div><div><bmbkawsar gmail.com=""><div style="text-align: right;"> <a href="https://twitter.com/Kawsaar_Khan/status/1402612557840453636"><i>twitter.com/</i>Kawsaar_Khan<i>/status/1402612557840453636</i></a></div><div style="text-align: right;"><br /></div></bmbkawsar></div></div><div style="text-align: center;"><div class="separator" style="clear: both; text-align: right;"><a href="https://1.bp.blogspot.com/-yrcE_A6iYrY/YMcPks5UEqI/AAAAAAAEa_o/k8eFKKd-j9YJxB4tM9cYDvoKdcqywFBVgCLcBGAsYHQ/s1268/Gynacantha_chaplini-novataxa_2021-Khan__%2540Kawsaar_Khan.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1268" data-original-width="1268" height="200" src="https://1.bp.blogspot.com/-yrcE_A6iYrY/YMcPks5UEqI/AAAAAAAEa_o/k8eFKKd-j9YJxB4tM9cYDvoKdcqywFBVgCLcBGAsYHQ/w200-h200/Gynacantha_chaplini-novataxa_2021-Khan__%2540Kawsaar_Khan.jpg" width="200" /></a></div><div class="separator" style="clear: both;"><br /></div></div>