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The genus ''Calyptra'' is a group of moths in subfamily Calpinae of the family Erebidae. They are a member of the Calpini tribe, whose precise circumscription is uncertain but which includes a number of other fruit-piercing or eye-frequenting genera currently classified in Calpinae.〔(Calpinae ), in Wikispecies, accessed 20 October 2008〕 The common name of many of these species, vampire moth, refers to the habit that they have of drinking blood from vertebrates. According to a recent study, some of them (''C. thalictri'') are even capable of drinking human blood through skin.〔(article ), epl.ee, Estonian, accessed 20 October 2008〕〔(Picture of thumb being pierced ) Worlds weirdest moths, accessed 20 October 2008〕 However, the moths are not thought to cause any threat to humans.〔 Some species of this genus have been classified with genus name ''Calpe'', and they include more than one blood-sucker. ==Habitat== These insects have been changing their habitat in recent years. The species ''Calyptra thalictri'' was originally native to Malaysia, the Urals and Southern Europe,〔(Vampire moth turns up in Finland ), The Guardian, 4 June, 2007, accessed 20 October 2008〕 but has been turning up in northern Europe. In 2000, they were observed in Finland and in 2008 they were seen further west in Sweden. The Swedish observation was in Skutskär north of the capital Stockholm〔(Vampire moth turns up in Sweden ), Peter Vinthagen Simpson, The local, 29 July 2008, accessed 20 October 2008〕 whilst the sightings in Finland have been more numerous. It is found in southern Finland, in particular in the south east.〔(Blood-sucking vampire moth becoming more common in Finland ), Helsingin Sanomat, 5 June 2007, accessed 20 October, 2008〕 The moth ''Calyptra thalictri'' has been seen to be associated with the plant meadow-rue.〔(calyptra thalictri ), leps.it, accessed 20 October, 2008〕 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「Calyptra (moth)」の詳細全文を読む スポンサード リンク
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