Abstract
Trypanosoma cruzi, the causative agent of Chagas disease, is transmitted to mammals - including humans - by insect vectors of the subfamily Triatominae. We present the results of a compilation of triatomine occurrence and complementary ecological data that represents the most complete, integrated and updated database (DataTri) available on triatomine species at a continental scale. This database was assembled by collecting the records of triatomine species published from 1904 to 2017, spanning all American countries with triatomine presence. A total of 21815 georeferenced records were obtained from published literature, personal fieldwork and data provided by colleagues. The data compiled includes 24 American countries, 14 genera and 135 species. From a taxonomic perspective, 67.33% of the records correspond to the genus Triatoma, 20.81% to Panstrongylus, 9.01% to Rhodnius and the remaining 2.85% are distributed among the other 11 triatomine genera. We encourage using DataTri information in various areas, especially to improve knowledge of the geographical distribution of triatomine species and its variations in time.
Highlights
Background & SummaryChagas disease, caused by the protozoan Trypanosoma cruzi, is transmitted mainly by triatomine (Hemiptera: Reduviidae) insect vectors, but may be transmitted from mother to child, by blood transfusions or some organ transplants, and through oral transmission
A compilation of geographic and ecological information about triatomines is considered to be important, given that these insect vectors are one of the main routes of T. cruzi transmission and no complete and integrated database is available on triatomine occurrences
One of the last compilations of American triatomine species was the publication by Carcavallo et al.[2], bringing up to date the geographic and altitudinal distribution of 115 American triatomine species known at that time
Summary
Chagas disease, caused by the protozoan Trypanosoma cruzi, is transmitted mainly by triatomine (Hemiptera: Reduviidae) insect vectors (through their feces), but may be transmitted from mother to child, by blood transfusions or some organ transplants, and through oral transmission. Some of them analyze and describe the geographic distributions of species from a single country such as Brazil[4,5], Colombia[6] and Mexico[7,8]; others describe lists of species, such as those published for French Guiana[9], Suriname[10], Peru[11] and Venezuela[12], or provide lists of valid species (checklists) for all triatomine species[13], including systematic updates Despite these valuable publications, a database with integrated information on the georeferenced occurrence of all -or at least the majority- American triatomine species, is still unavailable. DataTri may be the first database that includes accurate georeferenced information for most of the known records of American triatomine species
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