What does the Argentine ant primarily feed on?

The Argentine ant primarily feeds on sweets, which include honeydew produced by aphids and other sap-sucking insects, as well as sugary substances such as nectar and various sweet foods. This preference for sugar makes them particularly attracted to sources of carbohydrates and can often lead them to invade homes and gardens where these food sources are readily available. The Argentine ant's foraging behavior is influenced by their strong attraction to sugar-rich substances, which they actively seek out to sustain their colonies.

In contrast, the other options—greases, meats, and vegetation—do not align with the Argentine ant's primary dietary habits. While they may occasionally consume proteins and fats when needed, their main source of sustenance and preferred food type is sugary materials. This distinct feeding behavior plays a significant role in their scavenging and foraging strategies.