www.small-beings.org
www.small-beings.org
Eristalis pertinax is a hoverfly in the family Syrphidae. It was first described by Giovanni Antonio Scopoli in 1763 and is found in Asia and Europe. Like Eristalis tenax, the larvae of E. pertinax are rat-tailed maggots living in drainage ditches, pools around manure piles, sewage, and similar places containing water with high organic load and low oxygen concentration.
This information is about a type of fly with a wing length of 8.25–12.75 mm. The fly has specific characteristics like brown-black antennomere 3, yellow tarsi 1 and 2, and a darkened median band on its wings. It is found in various habitats across Europe and parts of Russia, with a flight period from February to November. The male and female of this fly species have different abdomen shapes. Detailed drawings of the male genitalia and larva of this fly can be found in scientific publications.