Revistes Catalanes amb Accés Obert (RACO)

Régimen alimenticio de la hormiga Formica Subrufa (Hymenoptera: Formicidae)

Valentín Cavia Miravalles


Diet of the ant Formica subrufa (Hymenoptera: Fortnicidae).
The diet of the ant Formica subrufa in Sant Llorenç del Munt i Serra de l'Obac Natural Park has been studied. Prey transported to the nest are arthropod carcasses, mainly other ants, but also of other insect groups, and also some seeds. Prey collection eficacy ranges from 10 to 16 %. Formica subrufa also feeds on nectar and sap from some plants,
i.e. spurge flax (Daphne gnidium), pine (Pinus pinea), evergreen oak (Quercus ilex) and box (Buxus sempervirens). Liquid food collection efficacy is 46 %. Globally, the
percentage of ants that enter the nest with food is up to 50 %.

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