The tuSz self encapsulation phenotype. (A C) In tuSz 1 mutants at 28 Download Scientific Diagram Drosophila are hosts to the first described parasitoid wasp of adult flies Nature Histopathological Findings of a Melanocytic Nevus A melanocytic nevus is a benign proliferation of melanocytes. Under the microscope, typical features include: Nests or clusters of uniform melanocytes located at the dermoepidermal junction, Melanotic neuroectodermal tumor of infancy Wikipedia