Schematic representation of insects' immune effector mechanisms. (A) Download Scientific Diagram Encapsulation and Melanization Are Not Correlated to Successful Immune Defense Against Parasitoid Wasps in Drosophila melanogaster Drosophila are hosts to the first described parasitoid wasp of adult flies Nature Extracellular vesicles secreted by Brugia malayi microfilariae modulate the melanization pathway in the mosquito host Scientific Reports 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,