Species of Acanthaceae are predominantly associated with conserved forest environments such as Iguaçu National Park (PARNA Iguaçu), which is composed of Semideciduous Seasonal Forest and Araucaria forest. The aim of this work was to perform a floristic study of Acanthaceae of PARNA Iguaçu, with botanical illustrations, an identification key and descriptions of the species. Collections were carried out monthly from August 2015 to July 2016, in the areas of Céu Azul, Capanema and Foz do Iguaçu. The individuals collected were deposited in the UNOP herbarium and the specimens present in the herbaria EVB, HCF, MBM and UNOP, as well as in the virtual herbaria Reflora and SpeciesLink, were analyzed. A total of 13 native species were recorded from Atlantic Forest, distributed in seven genera. Justicia was the most representative, with five species. In all, 12 new records were made for PARNA Iguaçu, of which eight are new records for Semideciduous Seasonal Forest. Of the species found, three are threatened with extinction, one of which is considered vulnerable and two are categorized as endangered, which reinforces the role of PARNA Iguaçu in in-situ conservation in the state of Paraná.
Neste estudo foi verificada a população de insetos visitantes em Pyrostegia venusta (Ker Gawl.) Miers e observados os eventos de interação (alimentação, polinização, parado, caminhando, reprodução) e relacionados aos fatores ambientais, em diferentes horários do dia, em um remanescente de Floresta Estacional Semidecidual na Pontifícia Universidade Católica do Paraná/Toledo. Foram eleitos aleatoriamente seis pontos (indivíduos) para observação, sendo analisadas cinco inflorescências por indivíduo, em três horários diferentes, durante 5 minutos. Foram registrados 350 indivíduos, pertencentes a seis ordens: Hymenoptera (264 indivíduos), Hemiptera (62), Coleoptera (19), Diptera (03), Lepidoptera (01) e Orthoptera (01). O maior número de visitas (136 indivíduos) ocorreu às 13h00min, com médias de temperatura de 26,5°C e umidade relativa de 35%. Hymenoptera contribuiu com o maior número de indivíduos (75%). O evento mais freqüente foi de alimentação/polinização especialmente em Hymenoptera e Hemiptera. Constatou-se que em períodos com temperaturas mais baixas e em indivíduos próximos à estrada (maior incidência de ventos), houve diminuição no número de visitantes.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.