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Fly bubble blowing
Don Micro
Posted on 19-08-2015 12:15
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Location: Hasselt, Belgium
Posts: 441
Joined: 13.06.10

You scoundrel!
Don Micro attached the following image:

Edited by Don Micro on 19-08-2015 12:16
Kim Windmolders
Posted on 30-08-2015 11:43
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Location: France (Loiret)
Posts: 1308
Joined: 05.12.11

I should want to be sure : is that "bubbles", full of gas, or "dropplets" full of liquid ?
Paul Beuk
Posted on 31-08-2015 08:11
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Location: Netherlands
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Paul Beuk on
Posted on 31-08-2015 08:20
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Location: France (Loiret)
Posts: 1308
Joined: 05.12.11

Thanks a lot Paul.
Pentti Ketola
Posted on 17-11-2015 18:22

Posts: 4879
Joined: 04.02.10

They are even blowing bubbles in Finland!

Pentti Ketola attached the following image:

Edited by Pentti Ketola on 17-11-2015 18:23
Rolf N
Posted on 21-11-2015 17:38

Location: Wilhelmshaven, Germany
Posts: 46
Joined: 16.10.09

They do even fly with a bubble!
Polietes lardaria (?)
13.11.2015 Wilhelmshaven, Germany
Rolf N attached the following image:

Rolf Nagel
Wilhelmshaven, Germany

Posted on 26-12-2015 06:38

Location: Suriname (South America)
Posts: 273
Joined: 21.10.12

If I remember well, there were also some photos of non-dipteran species blowing bubbles in this topic. Because download speed is back to horrendous here, I'm nog going to check if I'm right though. Anyway, a couple of months ago I photographed a large Surinamese katydid (Orthoptera, Tettigoniidae) with a large bubble. My photo series shows that he/she sucked it back up, then made it larger again. This was in the evening after sundown at about 450m altitude. The place (Brownsberg) becomes rather chilly at night, and often misty as well, and I don't think thermoregulation or evaporation are viable explanations in this case. I don't know which explanation would be viable though...
Auke attached the following image:

Your invert guide in Suriname.
Posted on 10-05-2016 08:13

Location: Madrid, Spain
Posts: 1
Joined: 07.05.16

This seems to be an halictic bee manipulating nectar droplets to reduce moisture. While I was taking the pictures, the bee moved continuously her tongue in and out about twenty times before it flew away. This is the first time I have seen a bee doing this drying and ripening process with her tongue. There are several pictures of bees processing nectar with a droplet in her mouth, as if they were simply bubble blowing . But in this case the bee seems to evaporate more water from the droplet by expanding the proboscis to full length and exposing a larger droplet surface to the sun.
evernia attached the following image:

Edited by evernia on 10-05-2016 08:16
Posted on 08-07-2016 21:40

Location: Suriname (South America)
Posts: 273
Joined: 21.10.12

Another nighttime blower, this time a walking stick (Phasmatodea). Photographed on the Brownsberg in Suriname.
Auke attached the following image:

Your invert guide in Suriname.
Posted on 01-10-2020 01:07

Location: Rio Grande do Sul - Brazil
Posts: 28
Joined: 11.06.19

Here in Brazil they blow bubbles in very weird situations (also nighttime)
Tina S
Posted on 16-06-2021 10:35
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Location: Germany
Posts: 139
Joined: 15.01.16

It seems that at least the body cooling theory seems to be confirmed now, look e.g. here (literature at the bottom): https://rcannon99...nt-page-1/

Or here:
Posted on 11-07-2021 09:10
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Location: Belgium, Wanze
Posts: 221
Joined: 14.06.18

Paul Beuk wrote:
Andre wrote:
In the light of evolution, it is very well possible that certain diptera-groups (probably closely related to eachother) have developed this behaviour. It could be a mix of reasons. Or the main reason may be digestion, with an extra opportunity to control bodytemperature.
To get a better idea of this, best we can do is to make solid observations in the field, like I suggested above.

I know that both calyptrates and acalyptrates can 'do the bubble'. I cannot recall any orthorrhaphous brachycera and even deep searching my mind I do not recall having seen syrphids do it.

I think it may simply also have to do with the structure of the mouth parts that enable the flies to bubble or not. And that, in its turn, is determined by evolution, as related taxa probably have the same kind of mouth parts, unless evolution took the a step further.

Very interesting thread !
If it can be a any help,
For Brachycera I've pictured this Sepsis sp female (probably Sepsis fulgens with 2 dc but on certain pictures I can see yellow on the legs) :

Have a good day,
Posted on 11-07-2021 09:20
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Location: Belgium, Wanze
Posts: 221
Joined: 14.06.18

Also this Lucilia sericata (Meigen, 1826)
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04 December 2022 17:15


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09.10.22 17:07
Yes, dipterologists from far abroad, please buy your copy at veldshop. Stamps will be expensive, but he, the book is unreasonably cheap Smile

07.10.22 11:55
Can any1 help out with a pdf copy of 1941 Hammer. Vidensk. Meddel. Dansk Naturhist. Foren. 105; thank you

05.10.22 19:59
Found! https://www.veldsh

05.10.22 19:53
@zeegers, your book seems difficult to get from Spain, is there another way?

08.09.22 09:29
Ladies and gentlemen https://jeugdbonds

26.08.22 15:06
Lis - This is vol.11 (eleven) and is 346 pages. Sorry, don't have a copy.

15.08.22 14:22
Hello, can any1 help out with a copy of Catalogue of Palaearctic Diptera II: Scathophagidae-Hyp
odennatidae? or at least how many pages it is? thx

19.06.22 07:42
I can not post an image - I do all right - dont know what to do! Gunther

24.05.22 11:28
Hi! would anyone be able to send on a scan of Delia sanctijacobi redescription from: GRIFFITHS, G.C.D. 1993. Anthomyiidae [part]. In: Flies of the Nearctic Region, 8(2), 10. Thank you!

18.05.22 16:26
Delay, alas, due to Covid related issues. But it will be published !!

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