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Tachinid Flies

Phasiinae
Brown Phasiin Fly
Dexiinae
Rutiliini
Black & White Giant Fly
Blue Rutilia Fly Golden Head Rutilia Fly I Golden Head Rutilia Fly II Golden Head Rutilia Fly III Green Rutilia Fly I Green Rutilia Fly II Green Rutilia Fly III Grey Rutilia Fly I Grey Rutilia Fly II Grey Rutilia Fly III Grey Rutilia Fly IV Brown Rutilia Fly
Dexiini
Black-striped Dexiin Fly I
Black-striped Dexiin Fly II
Large Long Dexiin Legs Fly
Long Tongue Dexiin Fly I
Long Tongue Dexiin Fly II
Tachininae
Golden-blue Tachinid Fly
Golden-brown Tachinid Fly
Thin Long Legs Fly
Metallic Green Hairy Fly
Golden Tachinid Fly I
Golden Tachinid Fly II

Goniinae
Grey Tachinid Fly I
Aus. Leafroller Tachinid
Cylindrical Tachinid Fly
Blue Hairy Tachinid Fly
Black Hairy Tachinid Fly
Hairy-eyed Grey Tachinid
Processionary Cat. Para.
Grey Tachinid Fly II
Grey Tachinid Fly III
Grey Tachinid Fly IV
Grey Hairy Tachinid Fly
S. Grey Hairy Tachinid Fly
Grey Tachinid Fly V
Grey Tachinid Fly VI

Unknown Tachinid
Thin brownish-yellow Fly
Sawfly Larvae Parasitic Fly

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Golden Head Rutilia Fly III - Rutilia (Ameniamima) quadripunctata

Family Tachinidae

This page contains pictures and information about Golden Head Rutilia Flies that we found in the Brisbane area, Queensland, Australia.


Female, body length 20mm

This is one of the largest Tachinid Flies that we found in Brisbane. It is metallic blue-green in colour with golden orange head. Its postorbits (the narrow strips behind eyes) are silvery white on orange-yellow head.

This fly is seasonally common on the gumtree trunk in Karawatha Forest. This is the largest Rutilia species. They are mostly seen from mid Dec to mid Feb in eucalypt forests in Brisbane.


Male


Female


Scutellum



This Golden Head Rutilia Fly looks similar to those flies in Ameniinae, which is another group of large metallic flies in family Calliphoridae.



As other group in subfamily Dexiinae, flies in Rutiliini are parasitic in larval Coleoptera (beetle) especially Scarabaeidae.



Difference species of Rutilia flies can be found on the same large tree trunk. Adults are usually found resting on the sunny side of tree trunk. Adults feed on flowers, notably Eucalyptus. Females rest on ground when larvipositing.

Reference:
1. Wildlife of Tropical North Queensland - Queensland Museum Publications 2000, p108.
2. Wildlife of Greater Brisbane - New edition, Published by Queensland Museum 2007, p138.
3. Morphometrics in the genus Amenia and revisionary notes on the Australian Ameniinae (Diptera: Calliphoridae), with the description of eight new species - Colless, 1998, Rec. Aust. Mus. 50(1): 85–123.
4. A systematic revision of the Ameniinae (Diptera: Calliphoridae) - Crosskey, R.W. 1965, Bull. Br. Mus. (Nat. Hist). Entomol. 16: 33-140. (23 August).
5. A revisionary classification of the Rutiliini (Diptera: Tachinidae), : with keys to the described species - R. W. Crosskey, British Museum (Natural History), Bulletin, Entomology, Supplement 19, 1973.
6. A conspectus of the Tachinidae (Diptera) of Australia, including keys to the supraspecific taxa and taxonomic and host catalogues - R. W. Crosskey, British Museum (Natural History), Bulletin, Entomology, Supplement 21, 1973.