Vespa vulgaris (wasp); Vespa crabo (hornet).

[affected.gif] Animals most affected
Birds, horses, dogs, cattle.

[etiology.gif] Etiology

[toxic.gif] Toxicity
The venom contains

It elicits an immediate immune response once injected into an animal. The toxic effects vary according to the type of insect, the age of the animal and its immune status.

[clinical.gif] Clinical features and lesions
At the site of the sting

General effects

If the sting is in or near the oropharynx

Allergic reactions may occur in animals that are sufficiently sensitive to the venom. In cases where there has been multiple stinging, the allergic response may progress rapidly to anaphylactic shock.

In birds

[treatm~1.gif] Treatment

In cases of an allergic reaction

Some animals may be successfully desensitized by administration of total extracts of wasp venom by subcutaneous injection over several years.