Cornfield ant
Lasius neoniger
Classification
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Order: Hymenoptera
- Superfamily: Formicoidea
- Family: Formicidae
- Subfamily: Formicinae
- Tribe: Lasiini
- Genus: Lasius
- Species: neoniger
Pronunciation
How to pronounce Lasius neoniger: //ˈlæ.si.əs ˌniː.oʊˈnaɪ.dʒər//
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Summary
Lasius neoniger, commonly called the cornfield ant or turfgrass ant, is a small ant species found across North America, particularly in open habitats. They form monogynous colonies and play a significant role in the ecosystem by enhancing soil respiration and biodiversity.
Physical Characteristics
Workers 3mm, males 4mm, queens 7-8mm; dull, usually yellowish brown with a slightly darker head; 4 or (usually) more erect hairs in a row on the lower edge of the hind tibia; dorsal surface pubescent from head to abdominal apex.
Identification Tips
Look for dull yellowish brown color and the presence of erect hairs on the hind tibia.
Habitat
Treeless grassy areas or very open woods, typically in well-drained soil.
Distribution
Common in the eastern United States and Canada, though found all over North America.
Diet
Tend aphids which provide them with a regular source of sugar and occasionally protein.
Life Cycle
Mating flights are in late summer, early fall; young queens enter winter in a claustral chamber before starting a new colony in spring.
Reproduction
Colonies are monogynous and do not accept other queens or merge with other colonies of the same species.
Ecosystem Role
Increases soil respiration and biodiversity by building nests, attracting other insects and animals.
Cultural Significance
Commonly known as the cornfield ant or nuisance ant.
Similar Taxa
Tags
- ant
- Lasius neoniger
- cornfield ant
- turfgrass ant
- ecosystem role