Posted by John Sankey on 14-09-2012 13:27
#156
Nikita Vikhrev wrote:
Otherwise we have the problem to explain ... the fact that Dragonflies (very warm-loving group) do not bubling, for example.
Odonata chomp solid meat and use almost no liquid in digestion. Many Diptera dissolve their food externally then suck it up as a liquid; I suspect these are the species that bubble. Exception example welcome, of course!