Black Imported Fire Ant vs European Spruce Sawfly

Side-by-side species comparison

Attribute Black Imported Fire Ant European Spruce Sawfly
Scientific Name Solenopsis richteri Gilpinia hercyniae
Order Hymenoptera Hymenoptera
Family Formicidae Diprionidae
Size 2-6 mm 7-10 mm
Habitat Grasslands Farmland
Diet Seed Feeders Omnivores
Regions South America, Southeastern United States Europe, introduced to North America
Conservation Not Evaluated Least Concern

Black Imported Fire Ant

A dark-colored fire ant native to South America that has established populations in the southeastern United States. They build large earthen mounds in open areas.

💡

Did You Know?

They frequently hybridize with the red imported fire ant in overlapping ranges, producing hybrid populations.

European Spruce Sawfly

A moderately sized sawfly with dark brown to black coloring and pectinate antennae in males. Larvae are green with white lateral stripes and feed on spruce needles.

💡

Did You Know?

After its introduction to North America in the 1920s, it caused massive spruce defoliation until a naturally occurring nuclear polyhedrosis virus brought populations under control.