<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2215-3896</journal-id>
<journal-title><![CDATA[Revista de Ciencias Ambientales]]></journal-title>
<abbrev-journal-title><![CDATA[Ciencias Ambientales]]></abbrev-journal-title>
<issn>2215-3896</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2215-38962019000100070</article-id>
<article-id pub-id-type="doi">10.15359/rca.53-1.4</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Asociación entre abejas sin aguijón (Apidae, Meliponini) y la flora del bosque seco en la región norte de Guanacaste, Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Association Between Stingless Bees (Apidae, Meliponini) and the Dry Forest Flora in the Northern Region of Guanacaste, Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barquero-Elizondo]]></surname>
<given-names><![CDATA[Ana Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Monge]]></surname>
<given-names><![CDATA[Ingrid]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Méndez-Cartín]]></surname>
<given-names><![CDATA[Ana Lucía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Sánchez]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Toruño]]></surname>
<given-names><![CDATA[Henry]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montero-Flores]]></surname>
<given-names><![CDATA[William]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera-González]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Chaves]]></surname>
<given-names><![CDATA[Luis Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrantes-Vásquez]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Leitón]]></surname>
<given-names><![CDATA[Milena]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mesén-Montano]]></surname>
<given-names><![CDATA[Isaac]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bullé-Bueno]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional (UNA) Instituto de Investigación y Servicios Forestales (INISEFOR) ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional (UNA) Centro de Investigaciones Apícolas Tropicales (CINAT) ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional (UNA) Instituto de Investigación y Servicios Forestales (INISEFOR) ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional (UNA) Instituto de Investigación y Servicios Forestales (INISEFOR) ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional (UNA) Instituto de Investigación y Servicios Forestales (INISEFOR) ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad de Federal do Pará  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidad Nacional (CINAT-UNA) Centro de Investigaciones Apícolas Tropicales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Universidad Nacional (UNA) Centro de Investigaciones Apícolas Tropicales (CINAT) ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,Universidad Nacional (UNA) Escuela de Ciencias Ambientales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="A10">
<institution><![CDATA[,mgutierrez@acguanacaste.ac.cr  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="A11">
<institution><![CDATA[,Universidad Nacional (UNA) Escuela de Ciencias Ambientales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="A12">
<institution><![CDATA[,Universidad Nacional Autónoma de México (UNAM)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>53</volume>
<numero>1</numero>
<fpage>70</fpage>
<lpage>91</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S2215-38962019000100070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S2215-38962019000100070&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S2215-38962019000100070&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las abejas sin aguijón son importantes polinizadores en regiones tropicales y subtropicales; están asociadas a la flora que les proporciona alimento, sitios para anidamiento, resinas, savia y exudados. Se buscó determinar la asociación entre abejas y flora en el sector cerro El Hacha (bosque primario intervenido) y sector Pocosol (bosque secundario) del Parque Nacional Guanacaste, donde se inventariaron los nidos en 33 parcelas de 20 x 20 m². Se colectó polen de plantas dentro de las parcelas y alrededor de los nidos (radio de 500 m) y se recolectaron y analizaron cargas corbiculares de polen de abejas atrapadas con redes entomológicas en la entrada de los nidos. En el cerro El Hacha se colectó polen de tres nidos de Scaptotrigona pectoralis y en Pocosol se colectó polen de dos nidos de Trigona fulviventris. Se obtuvo una densidad de 4.43 nidos/ha-1, de las especies: Tetragonisca angustula, Tetragona ziegleri, Plebeia frontalis y Trigona fulviventris. Los nidos se encuentran en los troncos de árboles, con preferencia por el Quercus oleoides, donde se halló el 50 % de estos. Las plantas alimenticias utilizadas por S. pectoralis en el cerro El Hacha, fueron: Cupania guatemalensis (30 %), Byrsonima crassifolia (21 %) y Cedrela odorata (15 %). Mientras para T. fulviventris en el sector Pocosol las plantas más importantes fueron Baltimora recta (26 %), Dorstenia contrajerva (9 %) y Desmodium sp. (9 %). Es evidente el importante papel que cumple la especie arbórea Quercus oleoides para la conservación de las poblaciones de estos insectos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Stingless bees are important pollinators in tropical and subtropical regions; they are associated with the flora that provides them with food, sites for nesting, resins, sap and exudates. We sought to determine the association between bees and flora in the cerro El Hacha sector (intervened primary forest) and the Pocosol sector (secondary forest) of the Guanacaste National Park, where the nests were inventoried in 33 plots of 20 x 20 m². Pollen from plants was collected within the plots and around the nests (radius 500 m); also, we collected and analyzed corbicular charges of pollen from bees trapped with entomological nets at the entrance of the nests. In the cerro El Hacha sector, pollen was collected from three nests of Scaptotrigona pectoralis and in the Pocosol sector we collected pollen from two nests of Trigona fulviventris. A density of 4.43 nests / ha-1 was obtained from the species: Tetragonisca angustula, Tetragona ziegleri, Plebeia frontalis and Trigona fulviventris. The nests were found in the trunks of trees, with preference for Quercus oleoides, where 50 % of them were found. The food plants used by S. pectoralis in cerro El Hacha were: Cupania guatemalensis (30 %), Byrsonima crassifolia (21 %) and Cedrela odorata (15 %). While for T. fulviventris in the Pocosol sector the most important plants were Baltimora recta (26 %), Dorstenia contrajerva (9 %) and Desmodium sp. (9 %). The important role played by the tree species Quercus oleoides for the conservation of the populations of these insects is evident.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Abejas nativas]]></kwd>
<kwd lng="es"><![CDATA[bosque tropical]]></kwd>
<kwd lng="es"><![CDATA[polinización]]></kwd>
<kwd lng="en"><![CDATA[Native bees]]></kwd>
<kwd lng="en"><![CDATA[pollination]]></kwd>
<kwd lng="en"><![CDATA[tropical forest]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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