Álvaro Urueña, Vicente Martínez-López, William de Jesús May-Itzá, José Javier Guadalupe Quezada-Euán & Pilar De la Rúa (2022): Morphometric and genetic analyses show differentiation of the widely distributed stingless bee Nannotrigona
perilampoides (Hymenoptera: Meliponini) across geographic regions in Mexico, Journal of Apicultural Research, DOI: 10.1080/00218839.2022.209357

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Nannotrigona perilampoides es una de las abejas sin aguijón más comunes en México, con amplia distribución y muy frecuente también en zonas urbanas. En esta reciente investigación encontramos diferencias morfológicas y genéticas significativas entre poblaciones de esta especie tomadas de varias regiones de nuestro país. Estos hallazgos son evidencia adicional a la que hemos encontrado en otras especies como Melipona beecheii, M. yucatanica, Scaptotrigona mexicana y S. hellwegeri que demuestra la riqueza de linajes genéticos en abejas sin aguijón de México y la importancia de conservarlos como parte de su diversidad. Por ello no es recomendable movilizar colonias entre regiones geográficas contrastantes.

 

Examen Posgrado

Título de la tesis: Tamaño corporal y características espermáticas en machos de Nannotrigona perilampoides (Hymenoptera:Meliponini) en Yucatán, México.

Alumno: Arturo de Jesús Bustillos Godoy

Grado: Maestría en Ciencias en Producción Animal Tropical Opción Apicultura

Asesores: Dr José Javier G. Quezada Euán

                M. en C. José Chavier de Araujo Freitas

Publicaciones

 Las zonas urbanas no siempre son ideales para el desarrollo de las colonias de abejas sin aguijón como muestra esta investigación recién publicada en Apidologie. Es importante verificar que las ciudades provean de recursos (néctar, polen, resinas) para que las colonias vivan, produzcan y se reproduzcan adecuadamente.

Abstract

In temperate regions of the world dominated by intensive agriculture, cities harbor a rich diversity and abundance of bee species, often exceeding those of the rural environment. In less industrialized tropical countries, in contrast, stressful conditions may exist in cities for bees with perennial colonies such as stingless bees because of the lack of resources such as amenity green spaces (flowers) and appropriate nesting sites. Yet, we currently lack studies on the ecology of bees in tropical urban areas to test this idea. Here, we compared the body size (as a possible indicator of floral resource supply) and the frequency of diploid males (as a measure of inbreeding) of a widespread stingless bee, Nannotrigona perilampoides, at mating congregations within the city of Merida, Yucatán, Mexico, and in surrounding rural areas. We found that males in Merida were significantly smaller compared with those in rural areas. While diploid males were found in both in the city and rural congregations, their frequency was significantly higher in urban sites. Our results suggest that the performance of colonies of N. perilampoides is poorer in tropical urban compared with rural sites, possibly as a consequence of limited resources and mating among a small number of colonies. We discuss the implications of these findings for the survival and fitness of stingless bees in the tropics.

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Inicio Diplomado Meliponicultura en Línea sesión 2021

 

DIPLOMADO EN MELIPONICULTURA EN LINEA SESIÓN 2021

 

 Nueva publicación Insectes Sociaux

Morales A., Hartfelder K., Medina-Peralta S., Quezada-Euán J.J.G. (2021) Larval food provisions affect developmental time, body size and vitellogenin titers of Scaptotrigona pectoralis gynes (Hymenoptera: Meliponini). Insectes Sociaux 68:93–100

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DIPLOMADO MELIPONICULTURA 2020

EL DÍA 1 DE JULIO HEMOS INICIADO EL DIPLOMADO EN MELIPONICULTURA EN LINEA SESIÓN 2020- DAMOS LA BIENVENIDA A NUESTROS PARTICIPANTES DE MEXICO, EUA, CANADA, NICARAGUA Y ECUADOR. BIENVENIDOS!!!!

 

May-Itzá, W de J., Peña, W.L., De la Rúa, P., Quezada-Euán J.J.G. (2019).  A genetic and morphological survey to trace the origin of Melipona beecheii (Apidae: Meliponini) from Cuba. Apidologie  50, pages859–870  https://doi.org/10.1007/s13592-019-00696-7

Abstract

The stingless bee Melipona beecheii is extensively distributed across Mexico and Central America and the only Melipona found in the Greater Antilles. The aim of this work was to establish possible continental affinities of M. beecheii from the Antilles. We compared populations from the main island (Cuba) with two clearly separated genetic lineages of M. beecheii on mainland, namely the Yucatán peninsula (Mexico) and Costa Rica. We used morphometrics, the degree of cephalic maculation, and microsatellite variation. Results indicate a greater morphological and genetic similarity between populations from Cuba and the Yucatán peninsula with respect to those of Costa Rica. Based on our findings, we conclude that the origin of M. beecheii from Cuba is more likely the Yucatán peninsula (Mexico). We found evidence that isolation has not been large enough to result in a new genetic lineage.

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