<?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>0034-7744</journal-id>
<journal-title><![CDATA[Revista de Biología Tropical]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. biol. trop]]></abbrev-journal-title>
<issn>0034-7744</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-77442023000100024</article-id>
<article-id pub-id-type="doi">10.15517/rev.biol.trop..v71i1.51166</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[The characteristics of stingless bee nests (Apidae: Meliponini) in the Cycloop Mountain Nature Reserve, Indonesia]]></article-title>
<article-title xml:lang="es"><![CDATA[Ubicación y características de los nidos de abejas sin aguijón (Apidae: Meliponini) en la Reserva Natural Cycloop Mountain, Indonesia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reinhard Jesajas]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Atmowidi]]></surname>
<given-names><![CDATA[Tri]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Juliandi]]></surname>
<given-names><![CDATA[Berry]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kahono]]></surname>
<given-names><![CDATA[Sih]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,IPB University Graduate School Student of Animal Bioscience Study Program]]></institution>
<addr-line><![CDATA[ Bogor]]></addr-line>
<country>Indonesia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,IPB University Faculty of Mathematics and Natural Sciences Department of Biology]]></institution>
<addr-line><![CDATA[ Bogor]]></addr-line>
<country>Indonesia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Research Center for Applied Zoology-BRIN  ]]></institution>
<addr-line><![CDATA[ Cibinong]]></addr-line>
<country>Indonesia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>71</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0034-77442023000100024&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0034-77442023000100024&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0034-77442023000100024&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Stingless bees are widespread in tropical and subtropical regions. In Indonesia, the distribution of stingless bees are grouped in three regions, namely Indo-Malayan, Wallacea, and Indo-Australian. Ten species of stingless bees have been recorded in Papua, seven of which are endemic. The Cycloop Mountains Nature Reserve (CMNR) is one of the conservation area in Papua, Indonesia, for flora and fauna. Unfortunately, the study of the diversity of stingless bees in Papua has been limited.  Objective:  To measure the diversity, nesting sites, nest entrance characteristics and nest architecture of stingless bees.  Methods:  Observation of the stingless bee nests in the nature reserves and in the residential areas used a road sampling method and information from local people, respectively. A total of 22 colonies were studied.  Results:  Two species of stingless bee were found, namely Tetragonula sapiens (Cockerell, 1911) and Heterotrigona (Platytrigona) planifrons (Smith, 1865). The current study showed new distribution records for T. sapiens and H. planifrons in the CMNR. The nesting site of T. sapiens was commonly found in house foundation, while that of H. planifrons was in coconut palm cavities. The nest entrance of T. sapiens varied, i.e., elliptical, oval, rounded, irregular, horizontally or vertically elongated. Meanwhile, the nest entrance of H. planifrons was vertically elongated. The brood cells of T. sapiens varied, i.e., vertical, horizontal, or semi-clusters, while in H. planifrons was layered vertically.  Conclusions:  Two species of stingless bees found, T. sapiens and H. planifrons, showed a new distribution records and T. sapiens was a dominant species in Papua. The nest entrance of the species varied in shape, color, and texture.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  Las abejas sin aguijón están muy extendidas en las regiones tropicales y subtropicales. En Indonesia, la distribución de las abejas sin aguijón se agrupa en tres regiones: Indo-Malayan, Wallacea e Indo-Australian. Se han registrado diez especies de abejas sin aguijón en Papua, siete de las cuales son endémicas. La Reserva Natural de las Montañas Cycloop (CMNR) es una de las áreas para la conservación de flora y la fauna en Papua, Indonesia. Desafortunadamente, el estudio de la diversidad de abejas sin aguijón en Papua ha sido limitado.  Objetivo:  Medir la diversidad, los sitios de anidación y describir la arquitectura y características de entrada al nido de las abejas sin aguijón.  Métodos:  Se observaron los nidos de abejas sin aguijón en reservas naturales y áreas residenciales, mediante el método de muestreo de caminos e información de la población local, respectivamente. Se estudiaron 22 colonias.  Resultados:  Se encontraron dos especies de abejas sin aguijón, Tetragonula sapiens (Cockerell, 1911) y Heterotrigona (Platytrigona) planifrons (Smith, 1865). Este estudio mostró nuevos registros de distribución de T. sapiens y H. planifrons en el CMNR. El sitio de anidación de T. sapiens se encontró comúnmente en los cimientos de las casas, mientras que el de H. planifrons estaba en las cavidades de las palmas de coco. La forma de la entrada al nido de T. sapiens varió: elíptica, ovalada, redondeada, irregular, alargada horizontal o verticalmente. Mientras tanto, la entrada al de H. planifrons se alarga verticalmente. Las celdas de cría de T. sapiens variaron, entre verticales, horizontales o semi-racimos, mientras que en H. planifrons eran verticales.  Conclusiones:  Se encontraron dos especies de abejas sin aguijón, T. sapiens y H. planifrons, que mostraron nuevos registros de distribución y T. sapiens fue una especie dominante en Papúa. La entrada al nido de las especies varió en forma, color y textura.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cycloop Mountains Nature Reserve]]></kwd>
<kwd lng="en"><![CDATA[diversity]]></kwd>
<kwd lng="en"><![CDATA[nest characteristics]]></kwd>
<kwd lng="en"><![CDATA[stingless bee.]]></kwd>
<kwd lng="es"><![CDATA[reserva natural montañosa Cycloop]]></kwd>
<kwd lng="es"><![CDATA[diversidad]]></kwd>
<kwd lng="es"><![CDATA[características de nido]]></kwd>
<kwd lng="es"><![CDATA[abejas sin aguijón.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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