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Global Climate Change Effects on Venezuela's Vulnerability to Chagas Disease is Linked to the Geographic Distribution of Five Triatomine Species
We analyzed the possible effects of global climate change on the potential geographic distribution in Venezuela of five species of triatomines (Eratyrus mucronatus (Stal, 1859), Panstrongylus geniculatus (Latreille, 1811), Rhodnius prolixus (Stål, 1859), Rhodnius robustus (Larrousse, 1927), and Triatoma maculata (Erichson, 1848)), vectors of Trypanosoma cruzi, the etiological agent of Chagas disease. To obtain the future potential geographic distributions, expressed as climatic niche suitability, we modeled the presences of these species using two IPCC (Intergovernmental Panel on Climate Change) future emission scena...
Source: Journal of Medical Entomology - November 5, 2015 Category: Biology Authors: Ceccarelli, S., Rabinovich, J. E. Tags: Vector-Borne Diseases, Surveillance, Prevention Source Type: research

Defining Genetic, Taxonomic, and Geographic Boundaries Among Species of the Psorophora confinnis (Diptera: Culicidae) Complex in North and South America
The Psorophora confinnis complex is currently composed of three species—Psorophora confinnis sensu stricto (Lynch Arribalzaga) in South America, Psorophora columbiae (Dyar and Knab) in North America, and Psorophora jamaicensis (Theobald) in the Caribbean. Members of the complex are of considerable importance as vectors of arboviruses, for example, Venezuelan equine encephalitis virus, and are significant biting pests throughout their range. The biological and geographic boundaries of Ps. confinnis and Ps. columbiae are unclear. In fact, the name Ps. columbiae is presently designated as "provisional." In this article,...
Source: Journal of Medical Entomology - September 11, 2015 Category: Biology Authors: Lanzaro, G. C., Collier, T. C., Lee, Y. Tags: Population Biology/Genetics Source Type: research