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The mouthparts of females are formed into a stout stabbing organ with two pairs of sharp cutting blades, and a spongelike part used to lap up the blood that flows from the wound. The larvae are predaceous and grow in semiaquatic habitats. Female horse-flies can transfer blood-borne diseases from one
The nematode larvae develop within the maggot for about one week (depending upon ambient temperature), as the maggots mature into the imago (adult) fly. The infective larvae (L3 larval stage) migrate to the mouthparts of the fly, where they are passed on to the horse when they feed around the horse's moist areas such as wounds, nostrils, lips ...
Adult horse flies can be found in July and August. Males of this species feed on plant juices, while female are bloodsuckers. The females have a high fecundity. They can lay about 500 eggs at an oviposition. The larvae pass through 10–13 instars and the full life-cycle lasts 3–5 years. This horsefly may cause appreciable damages on stock farms.
On the other end of the spectrum, horse flies and deer flies use "blade-like" mouthparts to slash the skin before eating the spilling blood, which causes large, painful bites, Frye says.
The best time to deworm horses against Gasterophilus intestinalis is after the first hard frost. This hard frost will kill the females so no new eggs can be laid on the horse that can be ingested. Meaning that the dewormer is acting on the larva attached to the stomach and will also decrease the amount of larva shed in the feces in the spring. [10]
The horse licks at the irritated skin and the larvae transfer to the mouth of horse. The larvae penetrate tissues in the oral cavity, feed parasitically whilst migrating through tissue of the esophagus to finally reach the stomach. The final larval stage is completed with the larvae attached to the mucosa of the horse's stomach.
Hybomitra is a genus of horse flies in the family ... (1990). "The horse flies and deer flies of Canada and Alaska (Diptera: Tabanidae)". The insects and arachnids of ...
Chrysops viduatus is a species of horse fly belonging to the family Tabanidae. [3] ... fens and wet woodlands. The larvae feed on organic matter in wet peaty detritus ...