Key of Lasius

Parent Key Path: /Lasius [01] /Lasius [03]

Lasius productus

Lasius alienus

Head and gaster dark brown, mesosoma paler; antennal scapes long (SI: 112-124), each exceeding posterior border of head by one-third its length (Fig. 3.25a); antennal scapes covered with dense short hairs Body wholly blackish brown; antennal scapes shorter (SI less than 110), each exceeding posterior border of head by one-fourth its length (Fig. 3.25b)
Lasius productus Lasius alienus

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