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Dark giant horsefly

Dark giant horsefly

Tabanus sudeticus

A species of True horse flies

The monstrous-sized dark giant horsefly holds the title of the heaviest fly in Europe. It resides near boggy habitats and around fields containing cows and horses. This insect can be pesky and somewhat harmful, as it bites and sucks the blood from large animals or humans before it lays eggs.

Bite Humans
Bite Humans
Bite Animals
Bite Animals
Cause Disease in Humans
Pathogenic
Does Dark giant horsefly consume human blood?
Hematophagy
General Info About Dark giant horsefly
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Attributes of Dark giant horsefly
Colors
Brown
Black
Yellow
Habitat
Boggy area; pond; lake
Adult Food Sources
Nectar, plant sap, blood of vertebrates, fruit juices, honeydew
Larva Food Source
Small insects, annelids, amphibian larvae, crustaceans, organic debris
Biting/stinging
The Dark giant horsefly may bite humans actively. Please stay away from it.
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Cutting-sponging mouthparts
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Species Status of Dark giant horsefly
Widely distributed
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Distribution Area of Dark giant horsefly
Europe
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Life Cycle of Dark giant horsefly
Egg The eggs of dark giant horsefly are commonly laid in batches on moist substrates. During this time, embryos develop within the eggs until they are ready to hatch. Shape and color vary depending on species, often designed for camouflage.
Larva Upon hatching, dark giant horsefly larvae, also referred to as maggots, display vermiform bodies lacking true legs. Their primary function includes voracious feeding for growth. The larva continually molts as it increases in size.
Pupal The dark giant horsefly larva transitions into a pupa after attaining sufficient size. This immobile stage is enclosed within a puparium, where metamorphosis occurs. The pupa alters dramatically, developing adult structures internally.
Adult Emerging from the pupa, the adult dark giant horsefly is recognized by its fully developed wings and functional reproductive organs. The exoskeleton is hardened, and coloration becomes distinct to aid in mate selection and species identification.
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Predators of Dark giant horsefly Larvae
Frogs, toads, ground beetles, ants, wasps, spiders, bird chicks
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Predators of Adult Dark giant horsefly
Birds, dragonflies, robber flies, spiders, bats
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Interesting Facts About Dark giant horsefly
Dark giant horsefly can detect CO2 emissions from animals, using this ability to locate potential hosts for feeding from up to several kilometers away.
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Scientific Classification of Dark giant horsefly
Tips for Finding Dark giant horsefly
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Youth Habitat of Dark giant horsefly
Freshwater Habitats, Mangroves and Coastal Wetlands
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Adult Habitat of Dark giant horsefly
Forests and Woodlands, Grasslands and Prairies, Savannas, Agricultural and Cultivated Areas
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Habitat Preferences of Dark giant horsefly Through Different Life Stages
The eggs of dark giant horsefly can be usually found laid in rows on vegetation near water bodies. In the larval stage, dark giant horsefly are typically located in moist soil or mud near the edge of ponds, streams, or marshes, as they prefer wet environments to facilitate growth. Upon reaching the pupal stage, which occurs in drier places than required for larval development, dark giant horsefly can be sought in the ground or under leaves, often still close to aquatic habitats but not necessarily in saturated soil. Adults of dark giant horsefly, thriving in a wider range of environments including fields and forests, tend to be encountered near areas where they can prey on blood of mammals, including livestock, or where they can mate and lay eggs.
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When is the Best Time to Observe Dark giant horsefly
The suitable time to find dark giant horsefly is typically during the daytime, as they are diurnal and most active when it's warm and sunny.
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What is the Best Weather to Observe Dark giant horsefly
The suitable weather to find dark giant horsefly (N) is during warm and humid conditions, which are favorable for their activity.
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How and Where Can You Find Dark giant horsefly at Different Life Stages
Larva Dark giant horsefly larvae are aquatic or semi-aquatic and can be found in wet soil, marshes, or near the edges of ponds and streams. Look for them by carefully sifting through mud or decaying vegetation near bodies of water.
Pupal Dark giant horsefly pupae generally develop in drier environments than the larvae. Look for pupae on the ground, often within leaf litter or under decaying logs in areas where larvae are found.
Adult Dark giant horsefly adults are strong fliers and are often seen in sunny areas trying to catch prey or looking for mates. To find adult dark giant horsefly, search in open fields or forest clearings, near livestock or other animals, and use a net to safely capture them for observation.
Are Dark giant horsefly harmful?
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Harmful Effects of Dark giant horsefly
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Icon toxic for
Bite Humans
Icon toxic for
Bite Animals
Icon toxic for
Pathogenic
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Bite Humans

Dark giant horsefly does not typically bite humans; it primarily feeds on the blood of other mammals. When biting occurs, it is usually accidental due to the close proximity of humans to their natural hosts. Dark giant horsefly uses its mouthparts to cut the skin and feed on blood, which can cause pain and swelling.

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Bite Animals

The adults of dark giant horsefly bite primarily to obtain a blood meal which is necessary for the development of their eggs. The feeding behavior is most active during daylight hours, particularly on warm, sunny days with little wind.

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Cause Disease in Humans

Dark giant horsefly can transmit pathogens to humans through bites, potentially causing diseases like tularemia or allergic reactions. Bites may result in immediate pain, swelling, and redness, with severe cases leading to long-term effects like lymph node enlargement. High-risk groups could face significant complications if proper medical treatment is not sought.

More Effects of Dark giant horsefly

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