Biome variation, not distance between populations, explains morphological variability in the orchid beeEulaema nigrita(Hymenoptera, Apidae, Euglossini)

Autor(es)

Costa, Claudineia Pereira ^{[1, 2]} ; Silva Machado, Clycie Aparecida ^[3] ; Souza Santiago, Wellyngton Matheus ^[4] ; Dallacqua, Rodrigo Pires ^[4] ; Garofalo, Carlos Alberto ^[3] ; Francoy, Tiago Mauricio ^[5]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Fac Med Ribeirao Preto, Dept Genet, Ribeirao Preto, SP - Brazil

^[2] Univ Calif Riverside, Dept Entomol, Riverside, CA 92521 - USA

^[3] Univ Sao Paulo, Fac Filosofia Ciencias & Letras Ribeirao Preto, Dept Biol, Ribeirao Preto, SP - Brazil

^[4] Univ Fed Mato Grosso do Sul, Inst Biociencias, Campo Grande, MS - Brazil

^[5] Univ Sao Paulo, Escola Artes Ciencias & Humanidades, Sao Paulo, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Apidologie; v. 51, n. 6 JUL 2020.
• Citações Web of Science: 0

Resumo

The sampling of orchid bees across different biomes provides an excellent opportunity to analyze morphological variability in this group. We examined the morphological variation of populations ofEulaema nigritain the context of the determination of geographic origin. It also evaluated population variability of this group in different landscapes from two important biomes, Atlantic Forest, Brazilian Savanna, and the transition zone between them. These analyses were achieved by documenting the pattern of morphological differentiation using geometric morphometric analysis of the wings of 256 individuals, sampled from nine locations, from four different physiognomies. Results indicated that individuals from the Atlantic Forest physiognomies are larger than the ones from the Savanna. The clusterization of individuals was based on landscape features of the sampling areas. The results indicate little or even a complete absence of population structure. Overall, site-specific population differentiation is not strongly supported by wing traits, reinforcing the statement consistent with the broader pattern that orchid bees have a high migratory capacity. However, the subtle differentiation may indicate the existence of locally adapted traits kept by female philopatry or phenotypic plasticity triggered by environmental factors yet to be studied. (AU)

• Processo FAPESP: 11/07857-9 - Caracterização populacional de abelhas das orquídeas (Apidae, Euglossini) do estado de São Paulo por morfometria geométrica de asas e variabilidade do DNA mitocondrial
• Beneficiário: Tiago Mauricio Francoy
• Modalidade de apoio: Auxílio à Pesquisa - Programa BIOTA - Jovens Pesquisadores
• Processo FAPESP: 13/02158-0 - Efeitos altitudinais e geográficos na variabilidade genética de populações de abelhas das orquídeas (Apidae, Euglossini) do Estado de São Paulo
• Beneficiário: Claudinéia Pereira Costa
• Modalidade de apoio: Bolsas no Brasil - Doutorado