| Latin Name: | Lasius (Lasius s. str.) emarginatus | |
| Trivialname: | – | |
| Taxonomy: | Subfamily: Formicinae Tribe: Lasiini | |
| Keeping Level: | (2) often found as houseant can they infiltrate woodconstruction and thermal insulation | |
| Distribiution: | all over Europe, Caucasia | |
| Habitate: | inhabit open spaces with stones and rocks, can also be found in urban areas | |
| Colonyform: | monogyn | |
| Queen: | Size: 7,5 – 9 mm Colour: Head darkbown,Thorax and Gaster brown | |
| Worker: | Size: 2,5 – 4 mm Colour: Head and Gaster dark, thorax yellish brown | |
| Soldier: | not present | |
| Males: | Size: 4 mm Colour: black , slim | |
| Nutrion: | Honeywater and insects e.g. Dipterans like Flies or Mosqitos | |
| Airhumidity: | Arena: 30 – 50% Nestpart: 50 – 60% | |
| Temperature: | Arena: 18 – 28°C Nestpart: 21 – 24°C | |
| Hibernation: | yes, from end of October until end of March at 15°C | |
| Nestform: | Build their nest under stones, often papernests strengthen by honeydew and a fungus. | |
| Kind of Formicaria: | Farm, Farmbasin, Basin, Framebasin, Island, Acrylcylinder, Digfix | |
| Formicaria size: | Size: S – M | |
| Substrate: | Farm: Sand-Loam Arena: Sand-Loam | |
| Planting: | similar to orest- and sandareas moss, grass and other plants | |
| Decoration: | Branches, Roots, Treeneedels, Stones | |
| Description: | Lasius emarginatus is a very aggressive ant which defends feedingplaces against other ants. | |
| Development: | matingflight: on warm days end of July ` til the end of August founding: claustral (without feeding) colonysize: a few 1000 workers |
|
| Quantity: | one fertilized queen with workers (see selection); brood (depending on the season and development) | |
| Weblinks: | – Forum |




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