Pattern of climate connectivity and equivalent niche of Triatominae species of the Phyllosoma complex

Autor:	A C Montes de Oca-Aguilar, David A. Moo-Llanes, Jorge J. Rodríguez-Rojas
Rok vydání:	2020
Předmět:	0301 basic medicine Range (biology) Climate Trypanosoma cruzi 030231 tropical medicine Niche Models Biological Phyllosoma 03 medical and health sciences 0302 clinical medicine Animals Chagas Disease Mexico Triatominae Ecosystem Ecology Evolution Behavior and Systematics Ecological niche Geography General Veterinary biology Ecology Temperature Fragmentation (computing) 030108 mycology & parasitology biology.organism_classification Insect Vectors Reduviidae Sympatric speciation Insect Science Parasitology Seasons
Zdroj:	Medical and Veterinary Entomology. 34:440-451
ISSN:	1365-2915 0269-283X
DOI:	10.1111/mve.12461
Popis:	The Phyllosoma complex is a Triatominae (Hemiptera: Reduviidae) group of medical importance involved in Trypanosoma cruzi (Kinetoplastida: Trypanosomatidae) transmission. Most of the members of this group are endemic and sympatric species with distribution in Mexico and the southern U.S.A. We employed MaxEnt to construct ecological niche models of nine species of Triatominae to test three hypothesis: (a) whether species with a broad climatic niche breadth occupy a broader geographical range than species with a narrow climatic breadth, (b) whether species with broad distribution present high degree of climatic fragmentation/isolation, which was tested through landscape metrics; and (c) whether the species share the same climatic niche space (niche conservatism) considered through an equivalence test implemented in ENMtools. Overall, our results suggest that the geographical distribution of this complex is influenced mainly by temperature seasonality where all suitable areas are places of current and potential transmission of T. cruzi. Niche breadth in the Phyllosoma complex is associated with the geographical distribution range, and the geographical range affects the climatic connectivity. We found no strong evidence of niche climatic divergence in members of this complex. We discuss the epidemiological implications of these results.
Databáze:	OpenAIRE
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