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A marsh fly

A marsh fly

Sepedon spinipes

A species of Snail-killing flies

Sepedon spinipes is a species of fly (insects in the family Sciomyzidae). It is found in the Palearctic

General Info About A marsh fly
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Attributes of A marsh fly
Colors
Brown
Black
White
Habitat
Wetland; reedbed; edge of lake; pond; river; stream
Adult Food Sources
Nectar, honeydew, plant sap, decaying organic matter, small insects
Larva Food Source
Snail tissues, molluscan secretions
Biting/stinging
Not reported
Allergy-causing
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Sponging mouthparts
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Species Status of A marsh fly
Widespread
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Distribution Area of A marsh fly
Palearctic
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Life Cycle of A marsh fly
Egg The a marsh fly begins as an egg, usually laid in clusters. The eggs are small, often oval-shaped, and can be variably colored to match the environment for camouflage.
Larva Upon hatching, the a marsh fly enters the larval stage, where rapid growth occurs. These larvae differ significantly from adults, with a worm-like appearance and a focus on feeding and growth, often in aquatic or semi-aquatic habitats.
Pupal The a marsh fly then forms a pupa, encapsulating itself as it undergoes dramatic transformation. The pupa may be attached to submerged objects or nearby vegetation, and changes from the larval to adult body plan take place inside.
Adult Emerging from the pupa, the adult a marsh fly’s development is marked by the presence of wings and functional reproductive organs. The body is fully formed and hardened, and the adult is mobile, focusing on reproduction.
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Predators of A marsh fly Larvae
Aquatic insects, fish, salamanders
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Scientific Classification of A marsh fly
Tips for Finding A marsh fly
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Youth Habitat of A marsh fly
Freshwater Habitats, Rotting and Decaying Matter
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Adult Habitat of A marsh fly
Forests and Woodlands, Grasslands and Prairies, Freshwater Habitats, Wetlands and Marshes
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How Can You Attract A marsh fly
For finding adult a marsh fly, it's suggested to use bait that mimics the scent of their preferred habitat or prey, such as decomposing organic matter that would attract snails.
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Habitat Preferences of A marsh fly Through Different Life Stages
The larval stage of a marsh fly is typically found in wetland areas, including marshes and the muddy margins of ponds and streams, where they inhabit decaying organic matter and prey on snails. Searching for these larvae would involve exploring these damp, snail-rich environments. Pupation usually occurs in drier areas nearby, perhaps in slightly elevated soil or leaf litter where moisture is present but not excessive. To find pupae, one might inspect the soil and organic debris within this transition zone between aquatic and terrestrial habitats. Adults are often found in proximity to larval habitat but are more mobile, feeding on flowers and plants in the same general wetland areas, thus looking for adults involves scanning for them on or near wetland vegetation.
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How and Where Can You Find A marsh fly at Different Life Stages
Egg Look for a marsh fly eggs in damp environments, particularly near bodies of fresh water such as streams and ponds where their snail prey might reside. Search on the underside of leaves or on stalks of plants near the water's edge.
Larva A marsh fly larvae can be found in areas with high snail populations. Seek them out in moist soil, decaying logs, or leaf litter where snails are known to thrive. Use gloves and gently turn over objects on the ground to uncover them.
Pupal Locate a marsh fly pupae in protected locations near their larval food sources. This might include under loose bark, in crevices, or just beneath the surface of the soil. Look for the typical puparium that is oval and compact.
Adult A marsh fly adults can be spotted in the air, on plant leaves, or near water sources. They are attracted to flowers, so searching flowering plants during sunny times can be effective. Trapping them can be done using nets or by setting up baited traps with organic matter.
Are A marsh fly harmful?
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