BEETLE ASSEMBLAGE COMPOSITION (COLEOPTERA) ACROSS THE BORBOREMA PLATEAU IN NORTHEASTERN BRAZIL

ABSTRACT The objective of this work was to compare soil beetle (Coleoptera) species composition between two sites on the Borborema Plateau in Northeastern Brazil. We collected 483 individuals belonging to 23 Coleoptera families and 75 species/morphospecies. On the east face of the Borborema Plateau...

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Bibliographic Details
Published in:Caatinga 2022-01, Vol.35 (1), p.148-159
Main Authors: ALENCAR, JANDERSON BATISTA RODRIGUES, BRITO, CARLOS HENRIQUE DE, BACCARO, FABRÍCIO BEGGIATO, BICHO, CARLA DE LIMA
Format: Article
Language:eng ; por
Subjects:
AGRICULTURE, DAIRY & ANIMAL SCIENCE
AGRONOMY
Altitude
Beetles
Coleoptera
Composition
FISHERIES
FOOD SCIENCE & TECHNOLOGY
FORESTRY
Humidity
Precipitation
Rural areas
Species composition
Taxonomy
Variables
VETERINARY SCIENCES
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Summary:ABSTRACT The objective of this work was to compare soil beetle (Coleoptera) species composition between two sites on the Borborema Plateau in Northeastern Brazil. We collected 483 individuals belonging to 23 Coleoptera families and 75 species/morphospecies. On the east face of the Borborema Plateau (Areia-PB) we collected a total of 332 individuals representing 58 species/morphospecies and 21 families. On the west face (Cabaceiras-PB) we collected 151 individuals representing 24 species/morphospecies and eight families. Among the 75 total species/morphospecies collected, 51 occurred exclusively on the eastern face of the plateau and 17 occurred exclusively on the west face. Only seven morphospecies were sampled in both areas. The marked difference in beetle assemblage species composition between the west and east sides of the Borborema Plateau suggests that the positioning and climatic variations maintain and promote high levels of beetle diversity in northeastern Brazil. RESUMO O objetivo deste trabalho foi comparar as assembleias de besouros de solo entre dois locais no Planalto da Borborema. Dados de georreferenciamento e climáticos foram usados para comparar as condições locais com as assembleias de besouros. Foram coletados 483 indivíduos, classificados em 75 espécies/ morfoespécies, pertencentes a 23 famílias de Coleoptera. As coletas na face leste do Planalto da Borborema (Areia-PB) totalizaram 332 indivíduos (58 espécies/morfoespécies) pertencentes a 21 famílias. No lado oeste (Cabaceiras-PB) foram coletados 151 indivíduos, 24 espécies/morfoespécies pertencentes a oito famílias. Entre as 75 morfótipos/espécies coletadas, 51 ocorreram exclusivamente na face oriental do Planalto e 17 ocorreram exclusivamente na face oeste. Entre eles, apenas sete morfoespécies foram amostradas em ambas as áreas. A diferença de composição de espécies de besouros entre os lados oeste e leste do Planalto da Borborema sugere que o posicionamento e variações climáticas mantêm e promovem altos níveis de diversidade de besouros no nordeste do Brasil.
ISSN:0100-316X
1983-2125
1983-2125
DOI:10.1590/1983-21252022v35n115rc