| 5495204 |
robber flies |
Efferia spp. |
|
| 5495205 |
robber flies |
Efferia spp. |
|
| 5495207 |
robber fly |
Stenopogon inquinatus |
|
| 5495208 |
robber fly |
Stenopogon inquinatus |
|
| 5393528 |
prairie robber fly |
Diogmites angustipennis |
Close-up of face |
| 1593090 |
robber flies |
|
Robber fly adult with captured prey item (smaller fly). Robber fly had landed on a Forest Service map. |
| 1593091 |
robber flies |
|
Natural enemy, predatory fly, adult robber fly with prey item, another fly species. Robber fly had landed on a Forest Service map. |
| 5476113 |
robber fly |
Proctacanthella exquisita |
Struggle between Robber Fly and Yellow Jacket |
| 5476099 |
robber fly |
Proctacanthella exquisita |
|
| 5476091 |
robber fly |
Proctacanthella exquisita |
A second Yellow Jacket enters the frame, it's stinger prominently displayed. |
| 5476096 |
robber fly |
Proctacanthella exquisita |
Struggle between Robber Fly and Yellow Jacket |
| 5476100 |
robber fly |
Proctacanthella exquisita |
|
| 5476097 |
robber fly |
Proctacanthella exquisita |
|
| 5476098 |
robber fly |
Proctacanthella exquisita |
Robber Fly and Yellow Jacket struggling |
| 5476094 |
robber fly |
Proctacanthella exquisita |
|
| 5476095 |
robber fly |
Proctacanthella exquisita |
|
| 5476125 |
robber fly |
Proctacanthella exquisita |
Focus on the Robber Fly head |
| 5476126 |
robber fly |
Proctacanthella exquisita |
|
| 5476115 |
robber fly |
Proctacanthella exquisita |
Struggle between Yellow Jacket and Robber Fly |
| 5476116 |
robber fly |
Proctacanthella exquisita |
The Robber Fly inverts, setting atop of the Yellow Jacket. |
| 5476117 |
robber fly |
Proctacanthella exquisita |
Focus on the Yellow Jacket thorax |
| 5476093 |
robber fly |
Proctacanthella exquisita |
Close up of Struggle between Robber Fly and Yellow Jacket |
| 5476112 |
robber fly |
Proctacanthella exquisita |
Struggle between Yellow Jacket and Robber Fly |
| 5476114 |
robber fly |
Proctacanthella exquisita |
Yellow Jacket in the grib of a Robber Fly |
| 5476110 |
robber fly |
Proctacanthella exquisita |
Focus on Yellow Jacket |
| 5476111 |
robber fly |
Proctacanthella exquisita |
Ensuing struggle between Robberfly and Yellow Jacket |
| 5476092 |
robber fly |
Proctacanthella exquisita |
Depth of field now focused on Robber Fly |
| 5476090 |
robber fly |
Proctacanthella exquisita |
A second Yellow Jacket enters the frame, it's stinger prominently displayed. |
| 5476089 |
robber fly |
Proctacanthella exquisita |
A Robber Fly takes a Yellow Jacket to the ground. |
| 5476088 |
robber fly |
Proctacanthella exquisita |
A Robber Fly takes a Yellow Jacket to the ground |
| 5471170 |
robber flies |
|
feeding on orthopterian |
| 1455191 |
robber flies |
|
Adult Proctacanthes sp. feeding on smaller robber fly, Sarcopogon sp. |
| 5454437 |
robber flies |
|
|
| 5445069 |
bumble bee mimic robber fly |
Laphria thoracica |
Laphria thoracica. |
| 5429639 |
robber flies |
|
Robber fly eating a honey bee |
| 5443398 |
robber flies |
Efferia spp. |
Female Efferia depositing her eggs. |
| 2166067 |
giant robber fly of Great Plains |
Microstylum morosum |
Adult male perched on seed head; July 12, 2006 |
| 2146040 |
robber flies |
Dioctria spp. |
with prey |
| 1225054 |
robber flies |
|
|
| 1366017 |
robber flies |
|
|
| 1472053 |
hanging thieves robber flies |
Diogmites spp. |
adult on Solidago spp., 9 October 1976 |
| 1225052 |
robber flies |
|
|
| 1400046 |
robber flies |
|
Eating another insect. |
| 2146041 |
robber flies |
Dioctria spp. |
with prey |
| 1225053 |
robber flies |
|
|
| 1225059 |
robber flies |
|
|
| 1366022 |
robber fly |
Holcocephala fusca |
with midge prey |
| 1455192 |
robber flies |
Proctacanthus spp. |
Mating |
| 2146039 |
robber flies |
|
with prey |
| 2116062 |
robber flies |
|
|
| 1225144 |
robber flies |
|
|
| 1225147 |
robber fly |
Leptogaster flavipes |
|
| 2167001 |
prairie robber fly |
Diogmites angustipennis |
close-up of head showing facial bristles; July 14, 2006 |
| 9009082 |
robber flies |
|
|
| 2166068 |
giant robber fly of Great Plains |
Microstylum morosum |
Adult female ovipositing in soil at base of mixed grasses and sunflowers; July 13, 2006 |
| 2166074 |
robber fly |
Triorla interrupta |
A species most commonly found near streams; July 12, 2006 |
| 1225149 |
robber fly |
Erax barbatus |
|
| 1225154 |
robber fly |
Erax barbatus |
|
| 5429636 |
robber flies |
|
laying an egg |
| 5429640 |
robber flies |
|
eating a bee |
| 2166070 |
robber fly |
Triorla interrupta |
A species most commonly found near streams |
| 5429666 |
robber flies |
|
|
| 5429667 |
robber flies |
|
|
| 5429668 |
robber flies |
|
|
| 5429663 |
robber flies |
|
|
| 5429664 |
robber flies |
|
|
| 5429665 |
robber flies |
|
|
| 2166100 |
prairie robber fly |
Diogmites angustipennis |
adult on streamside vegetation; July 14, 2006 |
| 2166087 |
prairie robber fly |
Diogmites angustipennis |
Adult eclosion; Adult approximately 5 minutes after initiation of emergence from pupal skin, within 15 seconds of adult emergence; June 23, 2006 |
| 5429962 |
robber fly |
Ceraturgus spp. |
|
| 2166097 |
prairie robber fly |
Diogmites angustipennis |
teneral adult next to pupal skin; June 23, 2006 |
| 2166098 |
prairie robber fly |
Diogmites angustipennis |
adult within 10 seconds of emergence from pupal skin; note meconium spot on soil; June 23, 2006 |
| 2166072 |
robber fly |
Triorla interrupta |
Adult feeding on grasshopper; July 11, 2006 |
| 5131074 |
robber flies |
|
|
| 2166069 |
robber fly |
Stichtopogon trifasciatus |
July 12, 2006 |
| 2166065 |
giant robber fly of Great Plains |
Microstylum morosum |
Adult male perched on seed head. July 12, 2006 |
| 5428017 |
hanging thieves robber flies |
Diogmites spp. |
|
| 5428018 |
hanging thieves robber flies |
Diogmites spp. |
mating |
| 2166099 |
prairie robber fly |
Diogmites angustipennis |
teneral adult; June 23, 2006 |
| 5411497 |
prairie robber fly |
Diogmites angustipennis |
|
| 5411498 |
prairie robber fly |
Diogmites angustipennis |
|
| 5424152 |
robber flies |
|
|
| 1543985 |
robber flies |
|
|
| 1543982 |
robber flies |
|
|
| 1543984 |
robber flies |
|
|
| 1543979 |
robber flies |
|
|
| 1543980 |
robber flies |
|
|
| 5387753 |
hanging thief robber fly |
Diogmites salutans |
Photographed on a briar |
| 5382557 |
Robber Fly |
Lampria bicolor |
|
| 5382540 |
bee-like robber fly |
Laphria flavicollis |
Photographed on a Sawtooth Blackberry |
| 5382528 |
Bee-like Robber Fly |
Laphria saffrana |
Photographed on a pine cone |
| 5382527 |
Bee-like Robber Fly |
Laphria saffrana |
Photographed on a pine cone |
| 5403488 |
robber flies |
Holcocephala spp. |
|
| 5403487 |
robber flies |
|
|
| 5403489 |
robber flies |
|
|
| 5381068 |
robber flies |
Efferia spp. |
|
| 5381069 |
robber flies |
Efferia spp. |
|
| 5364277 |
robber fly |
Microstylum galactodes |
Close view of the robber fly, Microstylum galactodes. |
| 5364278 |
robber flies |
|
A mating pair of predatory robber flies (Diptera: Asilidae). |
| 5364276 |
hanging thieves robber flies |
Diogmites spp. |
Adult robber fly (Diogmites grossa) with its prey, a fly. |
| 5364275 |
robber fly |
Laphria fernaldi |
An adult robber fly (Laphria fernaldi). |
| 5368150 |
robber flies |
|
feeding on Hymenia sp. |
| 5347097 |
hanging thief robber fly |
Diogmites properans |
|
| 5348001 |
red-footed cannibalfly |
Promachus rufipes |
|
| 5305007 |
robber flies |
Laphystia spp. |
Lincoln County, Colorado |
| 5305008 |
robber flies |
Laphystia spp. |
Lincoln County, Colorado |
| 5303088 |
robber fly |
Ospriocerus latipennis |
|
| 5209074 |
robber fly |
Ospriocerus latipennis |
|
| 5210007 |
robber flies |
Efferia spp. |
Female ovipositing in flower head |
| 5210008 |
robber flies |
Efferia spp. |
Female ovipositing in flower head |
| 5255029 |
robber flies |
|
|
| 5206084 |
robber fly |
Laphria virginica |
|
| 1491051 |
robber fly |
Laphria fernaldi |
Adult, close-up |
| 1491052 |
hanging thieves robber flies |
Diogmites spp. |
Adult with fly prey |
| 5178031 |
robber flies |
|
|
| 5175044 |
hanging thieves robber flies |
Diogmites spp. |
700 East, Washington Township, Tippecanoe County, Indiana. |
| 5175045 |
hanging thieves robber flies |
Diogmites spp. |
with honey bee; Near Williamsburg Apartments, West Lafayette, Tippecanoe County, Indiana. |
| 5175043 |
giant robber flies |
Promachus spp. |
|
| 5174095 |
hanging thief robber fly |
Diogmites neoternatus |
Gillam Township, Jasper County, Indiana. I've seen this species (Diogmites neoternatus) catch bees, wasps, and damselflies. |
| 5175041 |
robber flies |
Efferia spp. |
700 East, Washington Township, Tippecanoe County, Indiana. |
| 5175042 |
robber flies |
Efferia spp. |
700 East, Washington Township, Tippecanoe County, Indiana. |
| 5138005 |
robber flies |
Holcocephala spp. |
|
| 5137082 |
robber flies |
|
|
| 5137083 |
robber flies |
|
|
| 1225150 |
robber flies |
|
Robber fly (wing structure) |
| 1225157 |
robber flies |
|
Robber fly |
| 1225148 |
robber fly |
Erax barbatus |
Erax barbatus Robber fly |
| 5108100 |
hanging thieves robber flies |
Diogmites spp. |
on landscape plant |
| 5109001 |
robber fly |
Efferia aestuans |
on wooden post |
| 5109002 |
robber fly |
Efferia aestuans |
on wooden post |
| 3225087 |
robber flies |
|
with prey |
| 2166071 |
giant robber fly of Great Plains |
Microstylum morosum |
|
| 0014085 |
robber flies |
|
|