Answer: Phthirus pubis,a.k.a the crab louse, or as my readers said: "the Yuletide pubic louse", "Pthirus barbae viridis: green bearded louse", "Pine-scented pubic louse", and "Louse found in Bad Santa's trousers"
Every week I will post a new Case, along with the answer to the previous case. Please feel free to write in with your answers, comments, and questions. Also check out my image archive website at http://parasitewonders.com. Enjoy!
The Fine Print: Please note that all opinions expressed here are mine and not my employer. Information provided here is for educational purposes only. It is not intended as and does not substitute for medical advice. I do not accept medical consults from patients.