Eristalis tenax

Taxonomy
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Syrphidae
Tribe: Eristalini
Genus: Eristalis
Species: E. tenax
Commonly known as the drone fly (or "dronefly") due to its resemblance to the drone honey bee.
Like other hover flies, they are common visitors to flowers, especially in late summer and autumn, and can be significant pollinators.
Taxonomy: