Description: English: Male Antarctophthirus trichechi (Bohemann, 1865) (Echinophthiriidae), a parasite of walruses (Odobenus rosmarus). Collected from a walrus on St. Lawrence Island. Date: 13 March 2014, 12:34:26. Source: 24688_mximage. Author: Photo by Andy Deans (CC BY 2.0). Frost Museum.