Out of the flollowing what animals do blackflies eat the blood of

Golden-tipped bat
Freckled duck
Spotted-tail quoll
Squirrel glider
Australian frittilary butterfly
Water grass
Lidge’s ant-blue butterfly
Tea tree
Grey goshawk
Black-chinned honeyeater
Oxleyan pygmy perch
Frilled lizard
algea

The blackflies feed on blood of the Golden-tipped bat, Freckled duck, Spotted-tail quoll, Squirrel glider, Oxleyan pygmy perch, and Black-chinned honeyeater.

Blackflies primarily feed on the blood of mammals, including bats, ducks, quolls, gliders, and lizards. Therefore, out of the options you provided, the blackflies may eat the blood of the following animals:

- Golden-tipped bat
- Freckled duck
- Spotted-tail quoll
- Squirrel glider
- Frilled lizard

Blackflies do not typically feed on insects like the Australian frittilary butterfly, Water grass, Lidge's ant-blue butterfly, or Tea tree. Similarly, they do not feed on birds like the Grey goshawk or Black-chinned honeyeater. Furthermore, blackflies do not feed on fish or algae like the Oxleyan pygmy perch or algae.

Note: While blackflies are known to bite and feed on the blood of various animals, their feeding preferences may vary based on location and availability of suitable hosts.