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The development of S. tundra larvae in Aedes sp. mosquito. a. 2nd stage larvae with visible anal plug (arrow). b. Elongated 3rd stage larvae: The identification details of S. tundra infective 3rd stage larvae in.; c. Blunt anterior end with two liplike stuctures (arrows). d. Tapering posterior end with prominent terminal (knoblike) papilla (arrow).
