ArticleFrontiers in insect science2025
Where you live shapes who you are: morphological changes in urban
Article in Frontiers in insect science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Urbanization has transformed landscapes, driving ecological and morphological changes in insects. Chagas, traditionally a multidimensional rural problem, is increasingly reported in urban areas. Materials and Methods: A total of 105 adults from five urban and one rural population of San Juan were analyzed.Wings, pronota, heads, and legs were measured and compared between populations and sexes. Principal Component and Canonical Variate Analyses were performed to assess shape variations. Kruskal-Wallis and Wilcoxon tests, and linear models examined size differences. Colorimetric analyses searched for wing and connexivum color differences between individuals. Results: Multivariate analyses revealed significant morphological differentiation of wing, pronotum, and head shapes, primarily distinguishing the rural Valle Fértil from urban populations. Centroid size analyses indicated that rural individuals exhibited larger body structures, a pattern generally consistent across sexes. Furthermore, leg morphology also varied, with Valle Fértil insects possessing greater femur length and width compared to their urban counterparts. No significant color differences were found across populations or sexes. Discussion: Urban
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