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MORPHOLOGICAL ASPECTS OF IMMATURE STAGES OF MIGONEMYIA MIGONEI (DIPTERA: PSYCHODIDAE, PHLEBOTOMINAE), AN IMPORTANT VECTOR OF LEISHMANIOSIS IN SOUTH AMERICA, DESCRIBED BY SCANNING ELECTRON MICROSCOPY
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Abstract
We describe the immature stages of Migonemyia migonei, which is the vector of Leishmania (Viannia) braziliensis, the etiological agent of cutaneous leishmaniasis in South America, and a putative vector of Leishmania infantum chagasi. Scanning Electron Microscopy (SEM) was used to refine the description of the structures of the egg, all instar larvae, and the pupa. The eggs have polygonal cells on the egg exochorion, and differences between larval and pupal chaetotaxy have been highlighted. Different sensillary subtypes-trichoidea, basiconica, coelonica and campanoformia-were observed in the larval stages. The results presented herein contribute to the taxonomy of Mg. migonei and may contribute to future studies on the phylogeny of this important vector species.
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