outer, 
Fairy wasp, the size of a printed period.
No. 90891644 from https://www.mindenpictures.com/stock-photo/battledore-wing-fairy-fly-(mymar-sp)-female-preserved-specimen-from-antique/search/detailmodal-0_90891644.html
Battledore-wing fairy fly (Mymar sp.) female…amongst the smallest insects on the planet…they are wasps rather than flies. They are so tiny that air is relatively thick and viscous to them. Their stalked wings are rimmed with fine hairs, enabling them to effectively row through the viscous air.
Photographer: Alex Hyde
