Abstract：
:Little is known about the feeding behavior of hematophagous insects that require plant sugar to complete their life cycles. We studied plant feeding of Lutzomyia longipalpis sand flies, known vectors of Leishmania infantum/chagasi parasites, in a Brazilian city endemic with visceral leishmaniasis. The DNA barcode technique was applied to identify plant food source of wild-caught L. longipalpis using specific primers for a locus from the chloroplast genome, ribulose diphosphate carboxylase. DNA from all trees or shrubs within a 100-meter radius from the trap were collected to build a barcode reference library. While plants from the Anacardiaceae and Meliaceae families were the most abundant at the sampling site (25.4% and 12.7% of the local plant population, respectively), DNA from these plant families was found in few flies; in contrast, despite its low abundance (2.9%), DNA from the Fabaceae family was detected in 94.7% of the sand flies. The proportion of sand flies testing positive for DNA from a given plant family was not significantly associated with abundance, distance from the trap, or average crown expansion of plants from that family. The data suggest that there may indeed be a feeding preference of L. longipalpis for plants in the Fabaceae family.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Lima LHGM,Mesquita MR,Skrip L,de Souza Freitas MT,Silva VC,Kirstein OD,Abassi I,Warburg A,Balbino VQ,Costa CHNdoi
10.1038/srep29742subject
Has Abstractpub_date
2016-07-20 00:00:00pages
29742issn
2045-2322pii
srep29742journal_volume
6pub_type
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