The Asilidae are the robber fly family, also called assassin flies. They are powerfully built, bristly flies with a short, stout proboscis enclosing the sharp, sucking hypopharynx.

2025年1月31日 · Though it looks like a large bee, a Robber Fly is actually a fly so it does not sting. The sheer size of the insect can alarm people unfamiliar with it, but the loud buzzing it creates by furiously beating its wings can be more disturbing. Most people hear it coming by before they see it.

Robber fly, (family Asilidae), any of about 6,750 species of predatory insects, worldwide in distribution, in the fly order, Diptera. Robber flies range in length to almost 8 cm (3 inches), making them the largest of all flies.

2022年7月20日 · Robber fly insects are a mixed blessing to gardeners; if they're seriously perturbed, they can inflict a painful bite, but they also help rid the garden of harmful pests like grasshoppers, other flies, wasps, leafhoppers, white grubs, and pupating beetles.

Common Name: Robber Flies; General Category: Predator; Taxonomic Classification: Diptera: Asilidae; Scientific Name: Many species; Description. Because of their large size and loud buzz when flying, these generalist predators are often confused with horse flies and other biting flies.

Common Name: Robber fly Scientific Name: Varies Order: Diptera. Description: Adult stages are medium to large (3/8 to 1-1/8 inch) flies often observed on stems of plants, on the ground or flying low. Species vary in appearance and some mimic wasps and bees.

Robber flies have long, strong legs that are bristled to aid in prey capture. Sexual dimorphisms are not extreme, although females tend to have slightly broader abdomens than males. Most robber flies have a brown, gray, or black coloration.

2024年5月27日 · Robber Flies are flies that are known for their aggressive predator habits and can attack their prey mid-flight. They are found in abundance across the world and belong to a diverse insect family. Robber flies get their name because …

Robber flies are distinctive, medium-sized to large, bristly or hairy flies. There are over 1,000 species of robber flies (family Asilidae) in North America; and nearly 100 have been recorded from the Upper Midwest.

2024年8月25日 · predatory flies, often perch in exposed location and dash after prey. Key to Nearctic genera in (8), to world genera in (9) worldwide. most diverse in dry, open habitats; larvae usually in soil or decaying wood. Insects of many orders. These flies impale their prey, inject digestive enzymes and suck their victims dry. (10)