The correct answer is (d) Apis mellifera.
Explanation: Apis mellifera is the scientific name for the Western honey bee, which is often referred to as the Italian bee due to its widespread presence in Italy.
Why other options are incorrect:
(a) Apis dorsata: This is the giant honey bee, native to South and Southeast Asia.
(b) Apis florae: This is the red dwarf honey bee, a smaller species.
(c) Apis cerana indica: This is the Indian honey bee, a subspecies of the Asian honey bee.