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I found this strange insect while on Son Tra, Da Nang in central Vietnam. It was about 4cm long and although it was on the ground, was obviously capable of flying. I've never seen anything like this and would like help identifying it, please. Thanks!

enter image description here

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    $\begingroup$ It looks very much like a robber fly. I'm voting to close as a duplicate. $\endgroup$ Oct 28, 2017 at 16:06
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    $\begingroup$ Possible duplicate of What type of insect is this? $\endgroup$ Oct 28, 2017 at 16:06
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    $\begingroup$ The duplication is taxonomic only, not geographic (but a brief search found few images of live robber flies from Vietnam, so going deeper is best considered problematic). $\endgroup$
    – user32396
    Oct 28, 2017 at 20:40
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    $\begingroup$ That is not a duplicate, the species is clearly different. The only thing those questions have in common is the Family being Asilidae $\endgroup$
    – user24284
    Oct 28, 2017 at 22:34

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Dasypogon is a genus of robber flies in the family Asilidae.

  • Kingdom: Animalia
  • Phylum: Arthropoda
  • Class: Insecta
  • Order: Diptera ,
  • Family: Asilidae
  • Tribe:Dasypogonini
  • Genus:Dasypogon.

84 species belong to the genus Dasypogon. Among these, this one is Asilidae Dasypogon diadema.

enter image description here

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    $\begingroup$ Thanks for the link. Could you link the site to the picture as well - it looks like the same image btw ? It's best practice to dig up an image form a reputable website to show the positive ID. I took the liberty to clean up your post a bit. Thanks for your contribution. +1 $\endgroup$
    – AliceD
    Sep 30, 2020 at 9:16
  • $\begingroup$ Welcome to Biology.SE! According to several sources this is a European species and not found in Vietnam. In general, you are more likely to get a positive response to your answer if you explain why your identification is correct. Specifically, please edit your answer to add discussion of key features that led you to this conclusion and supporting references or at least validated images. Without this your answer is indistinguishable from opinion. ——— You may also wish to take the tour and then consult the help pages for additional advice on How to Answer effectively on this site. Thank you! 😊 $\endgroup$
    – tyersome
    Sep 30, 2020 at 23:34

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