Ants, as well as being a general ‘nuisance’ may present a health risk. There are known instances of ants mechanically carrying on their bodies, an in their digestive tract, disease organisms causing dysentery, smallpox, and a variety of pathogenic bacteria including Salmonella. As ants often scavenge in kitchens and food handling areas, garbage cans, as well as decaying material, their potential to transmit disease to humans should not be over looked.
As well as the health risk and nuisance aspects, some ants may bite (Greenheaded & Jumper ants) and others sting (Bulldog ants).

Ants belong to the order Hymenoptera, a grouping that is shared by a number of other well-known insects such as bees, and wasps, as well as some less known varieties like the sawfly.
They come from a family group called the Formicidae. This section distinguished from the other Hymenoptera by their distinctive waist region often called the pedicel. This to the untrained eye appears as a ‘humped’ section that seems to connect the chest and the abdomen. In this family group there are known at present over 3000 species in Australia alone. Although we only encounter a few

read more from :