Animalia > Arthropoda > Insecta > Diptera > Asilidae > Dioctria > Dioctria atricapilla

Dioctria atricapilla (Violet Black-legged Robber Fly)

Synonyms: Dioctria atrata; Dioctria falleni; Dioctria fuscipennis; Dioctria geniculata; Dioctria nigripes; Dioctria rufimana

Wikipedia Abstract

The violet black-legged robber fly, Dioctria atricapilla, is a species of robber fly in the subfamily Dasypogoninae. This 9- to 12-millimeter long insect has a wingspan of roughly 7 to 9 mm and short, three-segmented antennae. It's a predatory insect, feeding mainly on smaller flies and predatory hymenopterans. It primarily thrives in grassland, and is seen from May to July.
View Wikipedia Record: Dioctria atricapilla

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Braunton Burrows 3328 England, United Kingdom
Dorset Heaths 14161 England, United Kingdom
Dorset Heaths (Purbeck and Wareham) and Studland Dunes 5491 England, United Kingdom
Emer Bog 93 England, United Kingdom
Epping Forest 3966 England, United Kingdom  
Essex Estuaries 114016 England, United Kingdom
Fenland 1529 England, United Kingdom
Fenn`s, Whixall, Bettisfield, Wem and Cadney Mosses 2346 England/Wales, United Kingdom  
Hatfield Moor 3369 England, United Kingdom
Lower Derwent Valley 2263 England, United Kingdom
North Meadow and Clattinger Farm 259 England, United Kingdom  
Rhos Goch 167 Wales, United Kingdom  
Richmond Park 2092 England, United Kingdom  
River Usk/ Afon Wysg 2490 Wales, United Kingdom  
Rodborough Common 258 England, United Kingdom
Sefton Coast 11278 England, United Kingdom
Severn Estuary/ Môr Hafren 182155 England/Wales, United Kingdom
The New Forest 72309 England, United Kingdom
Thorne Moor 4718 England, United Kingdom
Thursley, Ash, Pirbright and Chobham 12696 England, United Kingdom
Waveney and Little Ouse Valley Fens 477 England, United Kingdom
Wimbledon Common 861 England, United Kingdom  
Windsor Forest and Great Park 4169 England, United Kingdom
Woolmer Forest 1647 England, United Kingdom


Prey / Diet

Basilepta fulvipes <Unverified Name>[1]
Bibio pomonae (Heather Fly )[1]
Bruchidius lautus <Unverified Name>[1]
Capsus lanarius <Unverified Name>[1]
Cynips quercusfolii (common oak gall wasp)[1]
Dilophus febrilis (Fever Fly)[1]
Empis pennipes[1]
Fannia scalaris (latrine fly)[1]
Lissonota fundator[1]
Lucilia caesar (Greenbottle Blow Fly)[1]
Mordellistena nanula <Unverified Name>[1]
Peritrechus geniculatus <Unverified Name>[1]
Phalacrus coruscus <Unverified Name>[1]
Phyllobius argentatus[1]
Phyllobius maculicornis[1]
Phyllobius viridiaeris <Unverified Name>[1]
Pteronidea bipartita <Unverified Name>[1]
Rhamphomyia aethiops[1]
Sepsis fulgens[2]
Tenthredo mesomela <Unverified Name>[2]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Anotylus rugosus1
Bicellaria nigra1
Bicellaria subpilosa1
Centromerus sylvaticus1
Chrysotus gramineus1
Chrysotus neglectus1
Coenosia tigrina1
Dendrophilus punctatus1
Dioctria linearis (Small Yellow-legged)2
Dioctria oelandica (Orange-legged Robberfly)1
Dolichopus claviger1
Dolichopus griseipennis1
Dolichopus nigricornis1
Dolichopus trivialis1
Dolichopus ungulatus1
Dolichopus urbanus1
Eutolmus rufibarbis (Golden-tabbed Robber Fly)1
Gonatium rubens1
Hybos culiciformis1
Hybos femoratus1
Neoitamus socius1
Neria ephippium1
Neriene montana1
Neriene peltata1
Neurigona quadrifasciata1
Ocydromia glabricula1
Pachygnatha clercki1
Paidiscura pallens1
Pirata piraticus (Spider)1
Platypalpus cursitans1
Platypalpus major1
Platypalpus notatus1
Poecilobothrus nobilitatus1
Rhagio lineola (Small Fleck-winged Snipe Fly)1
Rhagio scolopaceus (Downlooker Snipe Fly)1
Rhagio tringarius (Marsh Snipe Fly)1
Rhaphium elegantulum1
Rhaphium longicorne1
Rhaphium riparium1
Robertus lividus1
Rugathodes instabilis1
Scathophaga furcata1
Scathophaga lutaria1
Scathophaga scybalaria1
Scathophaga stercoraria (Common Yellow Dung Fly)1
Scathophaga suilla1
Tachypeza nubila1
Tetragnatha extensa (Long-jawed Orb Weaver)1
Tetragnatha obtusa1
Theridion mystaceum1
Walckenaeria acuminata1


Dioctria rufipes[1]
Molobratia teutonus[1]


Europe: Russia: Asia: Mongolia;



Attributes / relations provided by 1Predator-Prey Database for the family Asilidae (Hexapoda: Diptera) Prepared by Dr. Robert Lavigne, Professor Emeritus, University of Wyoming, USA and Dr. Jason Londt (Natal Museum, Pietermaritzburg) 2Ecology of Commanster
Protected Areas provided by GBIF Global Biodiversity Information Facility
Images provided by Google Image Search
Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access