Line-legged Robber Fly - Zosteria lineata
Family Asilidae
This page contains pictures and information about Line-legged Robber Flies that we found
in the Brisbane area, Queensland, Australia.
- Body length 25mm, male
- This Robber Fly has the dark brown stripe on each femur of legs, so we
call this robber fly Line-legged Rubber Fly. This is a yellowish robber fly
with hyaline brown wings. There are the white-yellow bristles on face and
antennae are orange-yellow.
- Male Female
- Above pictures show the robber fly just captured a wasp. Robber Flies are air hunter. They also known as an Assassin Fly. They have piercing mouth-parts and strong legs which can catch prey on flight. They are medium to large size flies with large eyes and necked head. They are active predators on flying insects, unselective in prey species. Their mouthparts are the triangular proboscis which insert into prey and suck the juice.
- Robber Fly is sometimes known as Bee-killer. The above 1st picture shows the rubber fly just captured a honey bee.
- This robber fly is medium in size. They are common in Brisbane bushlands.
- Reference:
- 1. A revision of Neoaratus Ricardo, with the description of six allied new genera from the Australian region (Diptera : Asilidae : Asilini) - G Daniels, 1987.
- 2. Asilini - Australian Asilidae - Dr. Robert Lavigne, Honorary Research Associate, South Australian Museum, Adelaide, SA.
- 3. Family ASILIDAE Robber Flies - Australian Biological Resources Study, Australian Faunal Directory.
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