Monster Fly Is A Gentle Giant

KyeemaConservationPark-2014-01-04-IMG_3982-Dutkiewicz KyeemaConservationPark-2014-01-04-IMG_4000-Dutkiewicz KyeemaConservationPark-2014-01-04-IMG_4003-Dutkiewicz

Rutilia (Donovania) inusta aka Grey Rutilia Fly (?)
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Tachinidae
Subfamily: Dexiinae
Kyeema Conservation Park, South Australia – January 4th, 2014 – warm to hot conditions

Photos: Michal Dutkiewicz

This enormous, intimidating monster of a fly, I estimate 2cm long from antennae to wing tip and very wide, looks like one of the blood-sucking March Flies, but this is a harmless nectar feeder. It parasitizes on Scarab Beetles, laying its eggs in their larvae. It is one of the most impressive flies in Australia.

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4 thoughts on “Monster Fly Is A Gentle Giant”

    1. I have seen one lethargic one, and a less lethargic one, but Adam and I saw a Green Rutilia Fly at Monarto that would not sit still – I kept seeing it land, only to have it zip off just as I would try to take the shots – The green one was only about 2/3rds the size of this one.

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