Amadan's picture

Darter Dragonfly

Observed: 26th September 2013 By: AmadanAmadan’s reputation in InvertebratesAmadan’s reputation in InvertebratesAmadan’s reputation in InvertebratesAmadan’s reputation in Invertebrates

Amazingly well-camouflaged dragonfly - I think it is a Common Darter, but would welcome corrections or agreements.
In mixed woodland on the edge of fenland.

Species interactions

No interactions present.


jccurd's picture

I think ...

... I can just see the light stripes on the legs, zooming into the original image.

Not sure what you mean my wasp-waist, though. Did you mean the clubbed tail of the S. sanguineum male, perhaps? This is a female and both females have thicker, straighter abdomens.


Amadan's picture

Yes -

I was thinking of the constriction in the middle of the male's abdomen. Wasn't sure if this was a female, or a new male that hadn't "coloured up" yet. It's a bit late in the season, I suppose, but I saw some very pristine butterflies today, that seemed pretty "fresh". The Cambridgeshire seasons will take some getting used to, I think.

jccurd's picture

Males vs Females

Other than the thickness of the abdomen, the shape of the anal appendages is one of the keys to sexing. These are relatively short and widely spaced. A male's appendages are longer and closely set.

Another key is the presence of a male's secondary sex organ beneath S2 but, of course, that wouldn't show up in a picture such as this.

Immature males are, as you say, not yet red. They tend to be yellowish rather than this rather drab colour. This is a female that's getting on a bit. ;-)


Amadan's picture

"This is a female that's getting on a bit. ;-)"

I know how she feels...
Thanks for the comments!