Possible Clues:

• 'Lolita' author
• "Lolita" author
• Author of 'Lolita'
• Vladimir --, author of 'Lolita'
• Lolita author
• Novelist's name on a new book - Vladimir's first
• Vladimir - - , US novelist born in Russia
• 'Russian-American author, famously of Lolita (7)'
• Russian-American novelist
• Author who was also an entomologist