Giant Sugar Ant 
Glabridorsum stokesii 
Globe Mallow Bee 
Globular Root Gall 
Glyptomorpha pectoralis 
Gold-marked Thread-waisted Wasp 
Golden backed ant 
Golden Cricket Wasp 
Golden Green Sweat Bee 
Golden Northern Bumble Bee 
Golden paper wasp 
Golden Tail Sugar Ant 
Golden wattle Bud-galling Wasp 
Golden Weaver Ant 
Golden-tailed sugar ant 
Gooden's Nomad Bee 
Goryphus basilaris 
Gouty Oak Gall Wasp 
Grass-carrying Wasp 
Great Banded Furrow Bee 
Great Black Wasp 
Great golden digger wasp 
Great potter wasp 
Greater banded hornet