A client with erythematous papules in the interdigital spaces reports severe itching at night. Which insect is responsible for this condition?

Answer is Sarcoptes scabiei

Explanation:

Erythematous papules refers to the abnormal redness of the skin, which can be caused by a parasitic arthropod that burrow into the skin. Example is Sarcoptes scabiei.

The effect of this organism is intense itching and skin rashes, this occurs when eggs are laid in the skin.

It can be treated by the application of certain cream and lotion.