Pond olive mayfly and case building chironomid midge

Some more pond photos.  First up my best photo yet of a Pond olive mayfly nymph.
Pond olive mayfly nymph_
This one appears to have lost half of its middle tail filament.

I also photographed some chironomid midg larvae. this group is best known for its red coloured species, known as bloodworms. This species however was green and hid most the time in its case..
Chironomid midge larva in case 3 edited

It did eventually come out though.
Chironomid midge larva in case edited

Chironomid midge larva in case 2 edited