Smoky Wainscot vs Stripe-Backed Leafcutter Ant

Side-by-side species comparison

Attribute Smoky Wainscot Stripe-Backed Leafcutter Ant
Scientific Name Mythimna impura Acromyrmex striatus
Order Lepidoptera Hymenoptera
Family Noctuidae Formicidae
Size 28-34 mm wingspan 3-8 mm
Habitat Grasslands Grasslands
Diet Herbivores Fungus Feeders
Regions Europe South America (Argentina, Brazil, Uruguay, Paraguay)
Conservation Least Concern Least Concern

Smoky Wainscot

A dull brownish wainscot moth extremely common in grasslands. Larvae feed on various grass species. Often confused with the similar Common Wainscot.

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Did You Know?

So similar to the Common Wainscot that reliable identification often requires examination of genitalia.

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.