Coleópteros das famílias bostrichidae e curculionidae (Scolytinae) associados a Banisteriopsis caapi (Spruce ex Grisebach)
Pena, Rebeca Cristina
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A study on the population behavior of insects of the order Coleoptera was performed, more precisely with the families Curculionidae (Scolytinae) and Bostrichidae, in a plantation of Banisteriopsis caapi (Spruce ex Griseb.) Morton, a Malpighiaceae vine known as mariri. The liana, native from the Amazon region, is the component of the beverage Ayahuasca used by the indigenous tribes in the Amazon, and more recently by religious movements in Brazil and abroad. This plant is rich in β-carboline alkaloids, secondary compounds of interest in human medicine. The study was conducted in a plantation belonging to the Centro Espírita Beneficente União do Vegetal (UDV), in Campinas city, state of São Paulo, Brazil. The area consists of four sectors, two of which are in a more urbanized area, reforested with fruit trees. The other two sectors are in an area composed of forest fragments in different stages of succession. For this study, 32 flight intercept traps were used, eight in each sector, baited with ethanol, with weekly inspections during the period from February 12, 2010, to February 18, 2011. A total of 55 samples were collected, by means of which we determined the seasonal fluctuation of these beetles and attack patterns in the lianas. A total of 68 species were identified, where Scolytinae were the dominant group, with 90.2% of the species, followed by Bostrichidae with 9.4%, and Platypodinae, with 0.4%. No beetle was found alive inside the lianas during the study. The reforestated sectors, especially in the border region, were the most attacked by beetles. The attacks were concentrated in the lower part of the stems, and in lianas with larger diameter. The variety of liana named tucunacá was more attacked than the second variety, caupuri. A national survey in plantations of mariri was also performed, where beetles of the family Cerambicidae were also found.