Lasius grandis

This ant has been associated with the butterfly  Laeosopis roboris and  Tomares ballus (Obregon et al. 2015).

Distribution based on Regional Taxon Lists
Palaearctic Region: Albania, Andorra, Balearic Islands, Canary Islands, Iberian Peninsula, Portugal, Spain.

Biology
Beltra et al. (2017) found this ant forging on grape vines in Eastern Spain vineyards.

Fungi
This species is a host for the ectoparastic fungi Aegeritella tuberculata and Laboulbenia formicarum (Espadaler & Santamaria, 2012).

Nomenclature

 *  grandis. Lasius niger var. grandis Forel, 1909c: 104 (w.) SPAIN. Seifert, 1992b: 32 (q.). Junior synonym of alienus: Wilson, 1955a: 77; of niger: Yarrow, 1967: 30. Revived from synonymy and raised to species: Seifert, 1992b: 32.