Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The specimen below was submitted by a young woman who found this “worm” by her arm, right below her mouth, upon waking from a nap. What’s the identification?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. The following worm was found in a specimen obtained during a colonoscopy. It measured approximately 2 mm long. What’s the identification?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. Happy New Years everyone! Can anyone tell who this little arthropod is?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. Happy Holidays to all readers! Can anyone tell what this little arthropod is?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case is Dr. Charles (Chuck) Sturgis. He noted the following structures on a Papanicolaou-stained anal Pap smear (performed for cancer screening). They measure approximately 14 micrometers in length. What’s the identification?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s cool case is from Dr. Marta Maia. The specimen is skin currettings, and the object was viewed using a dissecting microscope. What’s the identification?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case is the first case of the month, a regular feature by Idzi Potters and the Institute of Tropical Medicine, Antwerp. The following objects were seen in an unstained duodenal aspirate specimen. What’s the identification?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case was generously donated by Dave Neitzel at the Minnesota Department of Health. A mutant headless tick! Wouldn’t it be great if they were all this way? What’s the genus of this tick?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case was captured by my awesome Parasitology Education Specialist, Felicity Norrie, MLS(ASCP). The following were identified from skin scrapings from a resident of a skilled nursing facility. What’s the identification?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case is from Old One – illustrated by him and animated by his son. It features an arthropod that measures a few millimeters in length. What’s the identification?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case is from Idzi Potters and the Institute of Tropical Medicine, Antwerp. The following object was seen in a concentrated stool specimen from a 3-year-old toddler with diarrhea (40x objective). It measures 45 micrometers in greatest dimension. What’s the identification?

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. Happy Halloween everyone! In honor of this week, Dr. Pritt has shared photos from her annual Halloween party, and a special ‘unknown’ from Old One. Feel free to guess what guests’ costumes were.

Every week, Mayo Clinic microbiologist Bobbi Pritt, M.D., posts a new Parasite Wonders case. This week’s case was generously donated by Professor Agnes Kurniawan from the University of Indonesia. The following motile structure was reported to emerge from the anus of a man from rural Indonesia. He had no other gastrointestinal symptoms. What’s the identification?