Lasius bicornis
- Dataset
- The Formicidae (Hymenoptera) of Fennoscandia and Denmark.
- Rank
- SPECIES
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Insecta
- order
- Hymenoptera
- family
- Formicidae
- genus
- Lasius
- species
- Lasius bicornis
biology_ecology
Biology. This species nests in rotten logs. Alatae have been taken in September (Poldi, 1962).
description
Worker. Clear citron yellow. Funiculus segments not longer than broad; scape distinctly flattened. Outline of petiole characteristic: high, tapering dorsally with a deep emargination. Body hairs long, longest hairs nearly as long as maximum hind tibial width, sparse on dorsum of gaster where restricted to posterior borders of tergites; genal hairs sparse, scapes and tibiae bare. Length: 4.0 - 4.5 mm. Queen. Yellowish brown to brown with head wider than alitrunk. Characters as worker; size relatively small. Length: 4.8 - 5.3 mm. Male. Dark brown; petiole high, tapered and deeply indented; gaster hairs very sparse. Length: 4.0 mm.
distribution
Distribution. Rare; Sweden: Sm. (Forsslund, 1957 a). - Range: Central and South Europe from Pyrenees and Caucasus but also recorded from Himalayas (Kashmir), South Italy to Netherlands; uncommon.
Name
- Synonyms
- Formica bicornis Forster
- Homonyms
- Lasius bicornis