[quote=@Voltus_Ventus]
[hider=Ventian Claims and Colonies][img]http://imgur.com/1ESjtF0.jpg[/img][/hider]
*Changed my color from green to blue, sorry, Ventium is just blue in my mind.
*Many small colonial holdings dotted around the place, exclusively occupied by Ventian colonists; these small colonies hold dominion status due to being fully developed.
*Two Large colonies on Usea, small proportion Ventian (around 10%); these colonies hold colony status, due to continuing development.
[/quote]I think you should re-arrange those colonies to be along some sorts of route where your sailors traveled and colonized worlds.
The current position of your colonies are kind of random, IMO.
Especially the one next to Avalia.