Sugar ants.....looks like its a commonly used name for a whole species of ants that vary in colour and size but which in nature eat sugars from flowering plants and by farming other insects like aphids
If you look at the CSIRO webpage of common ant names you'll see what I mean
CSIRO TERC - Australian Ant Common Names
NM...can't be bothered logging Numpty out and my self in 
But we grew up knowing the large orange and black ones as sugar ants
Numpty
Thomas - 1955 Series 1 107" Truck Cab
Leon - 1957 Series 1 88" Soft Top
Lewis - 1963 Series 11A ex Mil Gunbuggy
Teddy5 - 2001 Ex Telstra Big Cab Td5
Betsy - 1963 Series 11A ex Mil GS
REMLR No 143
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