CREATE TABLE table_26708105_5 (nt_identity VARCHAR, species VARCHAR)

What is the nt identity when the species is drosophilia melanogaster?
SELECT nt_identity FROM table_26708105_5 WHERE species = "Drosophilia melanogaster"
SELECT "nt_identity" FROM "table_26708105_5" WHERE "Drosophilia melanogaster" = "species"