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Promachus sp.
100th spotting :) Happy to spot this! Robber flies (Family Asilidae) comprise one of the largest, most abundant families of present day insects. These typically large, voracious predatory flies feed on a wide variety of insects, playing an important role in regulating many insect populations. All robber flies have stout, spiny legs, a dense moustache of bristles on the face (mystax), and 3 simple eyes (ocelli) in a characteristic depression between their two large compound eyes. The mystax helps protect the head and face when the fly encounters prey bent on defense. The antennae are short, 3-segmented, sometimes with a bristle-like structure called an arista.
There are over 7,000 species of robber flies world wide; nearly 1,000 in North America.
Robber flies of this size (probably 30-35mm) do not fly so fast you cannot follow them .They have a low buzzing-rustling sound that greatly aids in pursuit. This is a truly awesome insect, and I relish each encounter I have with them. The short, strong proboscis is used to stab and inject victims with saliva containing neurotoxic and proteolytic enzymes which paralyze and digest the insides; the fly then sucks the liquefied meal much like we vacuum up an ice cream soda through a straw. Many species have long, tapering abdomens, sometimes with a sword-like ovipositor. Others are fat-bodied bumble bee mimics; the effect is quite convincing. Take a close look at any insect that looks like a bumble bee if it's sitting on a leaf - chances are, it's a robber fly.
50 Comments (1–25)
Cool spottings, detailed descriptions in company of great shots right there! Thanks for the time you spend on sharing these!
With best regards:
G
Its more than an inch shekainah...
You can verify from third pic...:)
Thank you so much bherath20 :)
Its more or less an inch long right?
wow very rare spotting
Thank you phillip!
Excellent shot Adarsha! Congrats!
@Nextto : Thank you :)
Well then congratulations!
Thank you so much Sachin :)
Thank you Gilma :) Feeling happy to come back :)
Fantabulous capture Adarsha ,,,,
Great pictures of this beautiful Robber Fly, Adarsha B S, welcome back!
I was inactive for few days because of my novel release function yar....
Now am availlable here !
Thank you Env :)
Thank you Nextto...I was wondering where were you for these many days :)
Nice to meet u again...Take care :)
Robber Flies are so cool. Great series here, Adarsha.
Thank you Shekainah....Yes indeed,,,its was huge! With macro, looks more huge :P
Congrats. What a huge fly.
Thank u Luis!
Congrats on your 100th!
Thank you Cindy :)
Awesome 100th spotting!
Thank you LeanneGardner...It took half an hour effort to take that shot!
Congratulations Adarsha! What a great spotting for your 100th. Fantastic shots :)
Thank you very much Nuwan and Sarah...
It was in the early morning...His eyes made me interested in capturing it...
Congratulations Adarsha!!
great macros..