|scientific name Lasius alienus |
Found in wooded areas most commonly (Wheeler and Wheeler, 1963) and is very common in the foothill regions of Alberta.
May through to September.
Workers range in length from ~2.0-3.0 mm and are a dark golden brown colour. Eyes are large, mandibles have unequal penultimate and ultimate basal teeth, with a constant distance between them on both mandibles, clypeus is a parabolic curve shape, and the scape lacks erect or suberect hairs (Creighton, 1950, and Wheeler and Wheeler, 1963).
Queens found colonies independently(Fisher and Cover, 2007). Eggs take 23-48 days to hatch, larvae develop and pupate between 16-39 days and pupa hatch in 20-40 days (Tanquary, 1913). Colonies are made up of hundreds of workers.
Not of concern.
Feed predominantly on aphids and plant secretions, but will take dead insects (Creighton, 1950, and Wheeler and Wheeler, 1963).
Middle North America, not extending far north into the boreal forest, but also not extending far into the dry south (Wheeler and Wheeler, 1963). In Alberta commonly found in the foothills and forested areas (Sharplin, 1966).
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