Marsh flies

Since marsh flies larvae are often predatory and feed on slugs and snails, setting up a trap with these as bait could attract them. Adult marsh flies may be attracted to decomposing organic matter or certain species of plants.

Eggs of marsh flies are typically laid on damp substrates near freshwater sources like streams or marshes, where their larvae feed on gastropods. As they grow, larvae remain in these wet environments. To find eggs or larvae, one should carefully search along the water's edge, turning over leaves or debris. The pupal stage of marsh flies often occurs in drier areas adjacent to these habitats, under logs or in the soil. To locate pupae, one may need to sift through leaf litter or soil. Adults of marsh flies can be found in areas with vegetation near water bodies, where they feed on nectar and mate. Observing flowering plants close to larval habitats increases the chances of spotting adult marsh flies.

The ideal time to find marsh flies might vary, but generally, searching during warmer months when the creature is most active would increase the likelihood of encounters. Early mornings or late afternoons could be especially suitable when temperatures are moderate.

Mild and humid conditions are typically favorable for finding marsh flies. Overcast days following a rain might increase the chances of spotting marsh flies, as many insects are more active during and after rainfall.