Villa subandina

Villa subandina belongs to the Bombyliidae family, commonly known as bee flies, which is part of the Diptera order. These insects are recognized for their specific role in ecosystems, where they often act as entomophagous agents or hyperparasites, though certain species can indirectly influence agrocenoses.

This species primarily affects wild and some agricultural crops indirectly, often parasitizing the pupae of other insects. In an agronomic context, the association of this species with the breeding sites of harmful insects is significant, as Villa subandina can regulate these populations under specific environmental conditions.

The life cycle of Villa subandina involves complete metamorphosis: egg, larva, pupa, and imago. Females deposit eggs in the soil or in close proximity to the nests of their hosts—most often solitary bees or other ground-dwelling insects. The larvae are predators or parasites that actively feed on the host's larvae.

The nature of damage consists of reducing the population of insect pollinators, which indirectly affects the yield of crops that rely on entomophily. There is no direct damage to plant tissues, yet disrupting the balance of beneficial pollinator populations makes the presence of this species undesirable in intensive horticulture.

The protection system includes:

• Limiting the use of broad-spectrum insecticides during the flowering period.
• Adhering to crop rotation to reduce the attractiveness of the site to host-parasites.
• Maintaining agro-biodiversity that facilitates natural population control.
• Monitoring the density of beneficial pollinator populations in the field.