|scientific name Formica aserva |
Favors forested and open-forest areas but will also nest in grasslands (Wheeler and Wheeler, 1973). In Alberta this ant is found in almost every region of the province.
Found through May to September.
Workers are ~4.0-8.0 mm in length, have a red head and thorax with a black gaster (Wheeler and Wheeler, 1963). The dorsum is entirely lacking erect hairs, has a board head and the petiolar scale ends in a sharp crest. The clypeus also has a median notch, the declivous face of the epinotum descends at an obtuse angle (Wheeler and Wheeler, 1963).
A facultative slave making ant of numerous Fusca group Formica species but will also nest without slaves (Wheeler and Wheeler, 1963).
Not of concern.
Omnivorous, but are common insect predators, will also tend aphids and membrachid nymphs (Wheeler and Wheeler, 1963).
Found from Alaska to Labrador, and south to Virginia and Kansas (Wheeler and Wheeler, 1963).
Was once classified as Formica sanguinea subna (Wheeler).
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