Hornet robberfly

Hornet robberfly
	Asilus crabroniformis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Family:	Asilidae
Subfamily:	Asilinae
Genus:	Asilus
Species:	A. crabroniformis
Binomial name
	Asilus crabroniformis; Linnaeus, 1758

The hornet robberfly, Asilus crabroniformis, is a species of predatory insect of the Asilidae family.

Reaching more than 25 mm in body length, it is one of the largest flies in the United Kingdom.[1][2] and feeds on grasshoppers, dung beetles and other flies.[3] Unlike an actual hornet, the robberfly only has one yellow patch on its abdomen and one pair of wings. The larvae are believed to feed on dung beetle larvae and other detritivores.[1]

A. crabroniformis can be found in woodland clearings and well-drained areas of heaths and downs covering Southern England and South & West Wales. It is reliant on the availability of rabbit or cattle dung.[4]

It is a member of the robberfly family Asilidae, subfamily Asilinae and is included in the list of endangered species in the British Isles.

References

Express and Echo, More info needed about deadly predator 21 May 2009
"Archived copy". Archived from the original on 2013-12-03. Retrieved 2013-11-27.CS1 maint: archived copy as title (link)
The Daily Telegraph, Brownfield building puts rare insects in jeopardy 3 May 2006
p15 Land & Business, November 2010, CLA

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[Echo-1] Express and Echo, More info needed about deadly predator 21 May 2009

[2] "Archived copy". Archived from the original on 2013-12-03. Retrieved 2013-11-27.CS1 maint: archived copy as title (link)

[3] The Daily Telegraph, Brownfield building puts rare insects in jeopardy 3 May 2006

[4] 15 Land & Business, November 2010, CLA