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SUBFAMILY FORMICINAE - Genus Lasius - Lasius lasioides (Emery)

Lasius lasioides (Emery)

return to key  Type location Italy (Prenolepis lasioides, Emery, 1869b: 6, illustrated, all forms; junior synonym of alienus in Wilson, 1955a: 78; species status confirmed Seifert, 1992b: 8) - no type images on Antweb (March 2019)
junior synonyms
fumatus (Lasius fumatus, Emery, 1869b: 26, illustrated, worker & queen, given as an alternative name for laisiodes; synonymy by Emery, 1870: 195) from Italy - no images on Antweb (March 2019)
fuscula (Prenolepis fuscula, Emery, 1869b: 8, illustrated, worker; synonymy by Dalla Torre, 1893: 183) from Italy - no images on Antweb (March 2019).
barbara (Lasius niger st lasioides var barbara, Santschi, 1921e: 170; Lasius alienus var barbarus, Santschi, 1931: 11, record of a single male from Kenitra, Morocco; synonym of alienus in Wilson, 1955a: 78; synonym of lasioides by Seifert, 1992b: 8) from Morocco - see below


{Lasius lasioides}Emery's (1869b) description is at {original description} (illustration of wing and anterior of petiole). Emery (1916b: 244) separated lasioides in a key by - frontal sulcus indistinct or nearly so; colour reddish-brown, head duller, gaster brown-black; tibiae without erect hairs or almost so; quite slender and less pubescent than type; TL 2.2-3.0 mm.

Santschi's (1921e) separation of barbara was worker TL 2.6-2.8 mm; differing from race lasioides by the black colour or near black, with brownish appendages and clearer antennae, general shinier appearance of the body (from Morocco and Tunisia). Bondroit (1918: 27) gave a description, this is at {original description}. Seifert's (1992b) modern description is at {original description}.

Egypt record - worker (as Lasius niger r. lasioides) from Fajum (Forel, 1913d: 434).


{Lasius laisiodes} The photomontage of a lectotype worker of barbara is collated from http://www.antweb.org/specimen.do?name=casent0912293.


{Lasius laisiodes} The photomontage of a worker from Spain is collated from http://www.antweb.org/specimen.do?name=casent0906078.


Images of the queen are on http://www.antweb.org/specimenImages.do?code=casent0915590

©2005, 2006, 2013, 2015, 2019 - Brian Taylor CBiol FRSB FRES
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