scholarly journals The role of integrating agroforestry and vegetable planting in structuring communities of herbivorous insects and their natural enemies in the Neotropical region

2014 ◽  
Vol 88 (2) ◽  
pp. 205-219 ◽  
Author(s):  
Érica Sevilha Harterreiten-Souza ◽  
Pedro Henrique Brum Togni ◽  
Carmen Silvia Soares Pires ◽  
Edison Ryoiti Sujii
2016 ◽  
Vol 1 (1) ◽  
pp. 18
Author(s):  
Araz Meilin ◽  
Nasamsir .

AbstractThe insect is a group of living thing that have the largest number of species. This article was compiled by aiming literature method studies at informing the negative and positive roles of insects in a farming and life. Some insects have a positive or negative role in agriculture and life. The negative role of insects in agriculture and life as cultivation plant, as a disease vector on the plant, and it cause humand being stickness. The positive role of insect is as pollinators, as a decomposer, as predators or parasitoids, as environment bioindikator, as the producer of the useful materials and beneficial in the field of health. Keywords: insects, vectors, natural enemies, pollinators, decomposer AbstrakSerangga merupakan kelompok makhluk hidup yang memiliki jumlah spesies terbanyak. Tulisan ini disusun dari studi literatur dan bertujuan menginformasikan peran negatif dan positif serangga dalam bidang pertanian dan kehidupan.  Beberapa anggota dari serangga memiliki peranan positif maupun negatif di bidang pertanian dan kehidupan.  Peran negatif serangga dibidang pertanian dan kehidupan adalah sebagai pemakan tumbuhan budidaya, sebagai vektor penyebab penyakit pada tanaman, dan sebagai penyebab penyakit pada manusia. Peran positif serangga adalah sebagai polinator atau penyerbuk, sebagai dekomposer atau pengurai, sebagai predator atau parasitoid (musuh alami), sebagai bioindikator lingkungan, sebagai penghasil bahan-bahan berguna dan bermanfaat  dalam bidang kesehatan. Kata Kunci: serangga, vektor, musuh alami, polinator, dekomposer


Author(s):  
Greissi Tente Giraldi ◽  
Julio César Guerreiro ◽  
Cawana Parrow Augusto ◽  
Thainara Ferreira Alves Pessoa ◽  
Luiz Gustavo Dos Santos ◽  
...  

Whitefly complex is one of the most severe pests affecting different crops of significant agricultural interest. It causes critical damage to plants, and hence considerably affect crop productivity and the related commercials. This insect has been managed using insecticides; however, there have been reports of resistance of this insecticide to various active ingredients, making it difficult to reduce this pest’s population. Hence, other ways of handling this insect population have been investigated, including through biological control. Several past studies have reported the existence of natural enemies of the whitefly, including coccinellids such as those belonging to the genus Delphastus have gained much attention. These coccinellids are predators and hence perform the important role of controlling pest population. Moreover, the whitefly is a staple food in certain diets.


2016 ◽  
Vol 35 (4) ◽  
pp. 215-230 ◽  
Author(s):  
Bárbara Simões Santos Leal ◽  
Clarisse Palma da Silva ◽  
Fábio Pinheiro

2018 ◽  
Vol 10 (7) ◽  
pp. 167 ◽  
Author(s):  
Angélica Massarolli ◽  
Ana Regina Lucena Hoffmann ◽  
Bruna Magda Favetti ◽  
Alessandra Regina Butnariu

Studies on natural enemies are important to find new species and to develop management strategies to preserve them to help control pests in biological control programs. For the state of Mato Grosso, Brazil, which comprises the Amazon, Cerrado, and Pantanal biomes, few studies have been conducted on the diversity of these parasitoids, possible endemic and/or new species, as well as their potential as natural enemies. Thus, the present study was aimed at describing the diversity of parasitoids of the families Ichneumonidae (Hymenoptera) and Tachinidae (Diptera) associated with pest lepidopterans in soybean crops. Weekly sampling of pest lepidopterans was carried out during four soybean seasons (2009/2010, 2010/2011, 2011/2012 and 2012/2013). Parasitoid larvae were observed in the main lepidopteran pest species of soybean during the four soybean seasons. Three genera of the Ichneumonidae family, belonging to the genera Microcharops Roman, Ophionellus Westwood, and Podogaster Brullé. Six genera of the Tachinidae family occur in the state of Mato Grosso in soybean fields. The following genera were recorded: Archytas spp. Jaennicke, Phorocera spp. Robineau-Desvoidy, Gymnocarcelia spp. Townsend, Lespesia spp. Robineau-Desvoidy, Eucelatoria spp. Townsend, Chetogena spp. Rondani. These parasitoids were found parasitizing caterpillars of the Noctuidae (Lepidoptera), in species that had not yet been reported as hosts for the Neotropical region. Further studies are needed on the beneficial entomofauna and their preservation in agricultural environments.


2006 ◽  
Vol 35 (2) ◽  
pp. 282-292 ◽  
Author(s):  
Adenirin Chabi-Olaye ◽  
Christian Nolte ◽  
Fritz Schulthess ◽  
Christian Borgemeister

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