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Asian predatory wasp : ウィキペディア英語版 | Asian predatory wasp
The Asian predatory wasp, also known as the Asian Hornet or yellow-legged hornet, (''Vespa velutina'') is a species of hornet indigenous to Southeast Asia. It is of concern as an invasive species in some other countries. ==Appearance== ''Vespa velutina'' is slightly smaller than the European hornet. Typically queens are 30 mm in length, and males about 24 mm. Workers measure about 20 mm in length.〔(【引用サイトリンク】title=Untitled Document )〕 The species has distinctive yellow tarsi. The thorax is a velvety brown or black with a brown abdomen. Each abdominal segment has a narrow posterior yellow border, except for the fourth segment, which is orange. The head is black and the face yellow. Regional forms vary sufficiently in colour to cause difficulties in classification, and several subspecies have been variously identified or rejected. The form that is causing concern about its invasiveness in Europe is ''Vespa velutina nigrithorax''.〔BBC News (Pitcher plant in France eats bee-killing Asian hornets ) 8/10/2015〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Asian predatory wasp」の詳細全文を読む
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