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It affects moist regions of the body and open wounds; it typically has a seasonal distribution with partial or full resolution during the winter.
It affects moist regions of the body and open wounds; it typically has a seasonal distribution with partial or full resolution during the winter.
==Diagnosis==
==Diagnosis==
===Clinical signs===
Lesions most commonly occur on the legs, ventrum, around the eyes, urethral process and prepuce and at the site of pre-existing wounds.
The lesions are single or multiple ulcerative nodules with a serosanguinous discharge. There may be excessive granulation tissue and small yellow granules of necrotic debris which surround the larvae.
Pruritus may be mild to severe.
In cases of conjunctival habronemiasis there will be gitty plaques on the conjunctival and palpebral borders, it is painful in severe cases leading to epiphora and blephrospasm.
is fairly common and must be differentiated from Squamous cell carcinoma of the third eyelid.
===Biopsy===
===Biopsy===