About Eristalis flavipes Walker, 1849
Eristalis flavipes Walker, 1849 strongly resembles a bumblebee. Refer to Morphology of Diptera for explanation of descriptive terms used here. This species has a body length between 13 and 17 mm.
Head: The face, gena (cheeks), and facial stripe are shining black, covered with short yellow pile. The antennae are dark brown and plumose at their base. In males, the eyes are broadly contiguous, and eye pile is mostly restricted to a vertical stripe.
Thorax: The mesonotum, pleurae, and scutellum are shining black, covered with very abundant, long, bright yellow pile, except for the nearly hairless center of the mesonotum. The entire scutellum is light yellow.
Abdomen: The abdomen is deep shining black. The second abdominal segment is dark red, covered with long black hairs with some yellow hairs mixed in.
Wings: The wings are hyaline with luteous veins. Females have a large brown spot at the central part of the wing. Wing venation features include a sinuous r4+5 vein and a closed cell r1. The anterior cross-vein (r-m) is oblique and positioned near the middle of the discal cell (dm).
Legs: The legs are deep black with black pile. Joints are reddish; anterior tarsi are brown, while middle and posterior tarsi are light reddish-yellow. The hind femora are somewhat elongated, and the hind tibiae are bent.