Vladimir Nabokov's Karner Blue Butterfly Makes a Comeback
He may be renowned for writingLolita , Pale Fire , Invitation to a Beheadingand many other seminal employment of 20th century literature , but Vladimir Nabokov was also a well - screw lepidopterologist in his day . When Nabokov observe and named theKarner bluebutterfly in the 1940s , the species ( Lycaeides melissasamuelis)was already on the decline . Experts estimate that in the past 100 year , the Karner downhearted universe has dropped by 99 percentage ....