Classification: | Kingdom: Animalia | Phylum: Arthropoda | Class: Insecta | Order: Diptera | Family: Syrphidae | Genus: Syritta |

The fly below was first seen hovering over the soil of my pot. It landed a few times on the soil and seemed to be poking a whitish tube (see yellow arrow in the right picture below) from its tail end into the soil. It might be laying eggs in the soil.