Stripe-Backed Leafcutter Ant vs Brazilian Eucalyptus Sawfly

Side-by-side species comparison

Attribute Stripe-Backed Leafcutter Ant Brazilian Eucalyptus Sawfly
Scientific Name Acromyrmex striatus Deuteronomus amoenus
Order Hymenoptera Hymenoptera
Family Formicidae Pergidae
Size 3-8 mm 8-12 mm
Habitat Grasslands Farmland
Diet Fungus Feeders Herbivores
Regions South America (Argentina, Brazil, Uruguay, Paraguay) South America
Conservation Least Concern Least Concern

Stripe-Backed Leafcutter Ant

A small leafcutter ant adapted to the grasslands and dry regions of southern South America. Unlike most leafcutter ants, it primarily harvests grass blades and herbaceous plant material. Nests are relatively small and partially surficial, often marked by a low mound of discarded plant material.

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Did You Know?

It is one of the few leafcutter ants to thrive in temperate grasslands, tolerating winter temperatures that would kill most tropical species.

Brazilian Eucalyptus Sawfly

A medium-sized pergid sawfly that attacks eucalyptus plantations in South America. Larvae are gregarious and can cause significant defoliation in commercial plantings.

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Did You Know?

Pergidae is the most diverse sawfly family in the Southern Hemisphere, contrasting with Tenthredinidae which dominates in the north.