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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Immunocytochemical detection of VgR in P. americana ovaries from virgin female by immunofluorescence. Control (A), CCAP injected (B) and sNPF injected (C) of normally fed insect 4 days after injection. Scale bar = 200 μm.