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| Registros recuperados: 16 | |
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| Pereira,Alex Furquim; Rodrigues,Sérgio Roberto; Morón,Miguel Angel. |
| Biological aspects of Leucothyreus alvarengai Frey and Leucothyreus aff. semipruinosus Ohaus (Coleoptera, Melolonthidae, Rutelinae) in crop succession at central Brazil. Beetles of the family Melolonthidae make up a large group and some species are considered pests of planted crops. Little information is available on the basic biological aspects of the genus Leucothyreus, such as association with cultivated crops and their occurrence periods. Therefore studies were developed in soybean and corn crops in Tangará da Serra, Mato Grosso, Brazil, with the objective of studying the occurrence and biological aspects of Leucothyreus alvarengai Frey and Leucothyreus aff. semipruinosus Ohaus. For acquisition of immature specimens of both species, in April 2011... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biology; Geniatini; Insecta; White grub. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262013000300011 |
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| Gomes,Elias Soares; Rodrigues,Sérgio Roberto; Morón,Miguel Angel. |
| Biological aspects of Leucothyreus ambrosius Blanchard (Coleoptera, Melolonthidae, Rutelinae). Coleopterans of the family Melolonthidae comprise a large group of species that feed on different food sources, including plant roots, stems, and leaves, in addition to plant materials at different decomposition stages. Several species are found in the genus Leucothyreus, occurring in different regions of Brazil, including the various biomes in the country. Information on the biology of species of the genus Leucothyreus is scarce, therefore, we conducted studies on the biological aspects of Leucothyreus ambrosius Blanchard, 1850. The period of adult occurrence was determined with a light trap installed between a cropped and pasture area in the municipality of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Geniatini; Insecta; Rizophagous insect; Scarabaeoidea; White grub. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262014000200011 |
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| Rodrigues,Sérgio Roberto; Fuhrmann,Juares; Gomes,Elias Soares; Amaro,Ricardo Aparecido. |
| Abstract Description of immatures and mating behavior of Liogenys bidenticeps Moser, 1919 (Coleoptera: Melolonthidae: Melolonthinae). Some species of Melolonthinae are associated with several species of cropped plants, with larvae consuming roots and, in some cases, are considered as crop pests. In some agricultural regions of Brazil, larvae of L. bidenticeps are found associated with cultivated plants, and little information is available about this taxon. This study, aiming at expanding the knowledge about the morphology and behavior of this species, provides the description of immatures and mating behavior of adults. The studies were conducted at the experimental farm of the Universidade Estadual de Mato Grosso do Sul in Aquidauana, Mato Grosso do Sul... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Diplotaxini; Rhizophagous insect; Scarabaeoidea; Sexual behavior; White grub. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262017000400339 |
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| Oliveira,Lenita J.; Garcia,Maria A.; Hoffmann-Campo,Clara B.; Amaral,Maria L.B. do. |
| Laboratory and greenhouse experiments were carried out to study food and oviposition preference by Phyllophaga cuyabana (Moser) on different plant species as Cajanus cajan L. (pigeon pea), Crotalaria juncea L. (sun hemp), Crotalaria spectabilis Roth (showy crotalaria), Crotalaria ochroleuca G. Don (slenderleaf rattlebox), Glycine max [L.] Merrill (soybean), Gossypium hirsutum L. (cotton), Helianthus annuus L. (sunflower), Stizolobium aterrimum [Mucuna aterrima] Piper & Tracey (velvetbean) and Zea mays L. (mayze). In no-choice experiments, the number of eggs layed in sunflower, C. juncea and soybean was larger compared to cotton. Despite the fact that the adults did not discriminate among plants, in dual-choice test, the proportion of eggs layed and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Scarabaeoidea; Soil pest; White grub; Host plant. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000500018 |
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| Oliveira,Lenita Jacob; Garcia,Maria Alice. |
| Phyllophaga cuyabana is a univoltine species and its development occurs completely underground. Its control by conventional methods, such as chemical and biological insecticides, is difficult, so it is important to understand its dispersion, reproduction, and population behavior in order to determine best pest management strategies. The objective of this work was to study the behavior of adults of P. cuyabana. This study was carried out in the laboratory, greenhouse and field sites in Paraná State, Brazil (24º25' S and 52º48' W), during four seasons. The results obtained demonstrate that: a) P. cuyabana adults have a synchronized short-flight period when mating and reproduction occurs; b) adults tend to aggregate in specific sites for mating; c) the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Glycine max; White grub; Host plants; Oviposition; Pests of plants. |
| Ano: 2003 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2003000200003 |
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| Rodrigues,Sérgio Roberto; Barbosa,Carlos Aparecido Ferreira; Fuhrmann,Juares; Amaro,Ricardo Aparecido. |
| ABSTRACT Mating behavior and description of immature stages of Cyclocephala melanocephala (Fabricius, 1775) (Coleoptera: Scarabaeidae: Dynastinae), identification key and remarks on known immatures of Cyclocephalini species. Some species of Cyclocephala Dejean, 1821 are regarded as rhizophagous crop pests and others as beneficial species. The objective of this work was to report the mating behavior and to describe the immature stages of C. melanocephala. The studies were developed at the Universidade Estadual de Mato Grosso do Sul in Cassilândia, Mato Grosso do Sul state, Brazil. Adults were collected with a light trap from September to December 2014 and 2015 to carry out studies of mating behavior, breeding, and descriptions of immature stages. Copulation... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Flying activity; Morphology; Scarabaeoidea; Taxonomy; White grub. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262018000300205 |
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| Negrete García, Román. |
| Las gallinas ciegas se encuentran entre las plagas de suelo de mayor importancia económica en el mundo, incluyendo México. Considerando que el suelo es el ambiente más favorable para los nematodos entomopatógenos (NEP), es posible recuperar aislamientos de NEP que puedan tener el potencial para ser desarrollados como agentes de control biológico de esta plaga. Por esta razón se llevó a cabo un muestreo en el estado de Guanajuato, una de las regiones agrícolas más importantes de México. La colecta de nematodos se realizó utilizando larvas de Galleria mellonella como cebo en lugares con grandes poblaciones de gallina ciega. Los nematodos obtenidos se identificaron utilizando métodos morfológicos y moleculares. Después, la susceptibilidad de la gallina ciega... |
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Palavras-chave: Gallina ciega; Steinernema; Muestreo; Susceptibilidad; White grub; Survey; Susceptibility; Entomología y Acarología; Maestría. |
| Ano: 2013 |
URL: http://hdl.handle.net/10521/1851 |
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| Rodrigues,Sergio Roberto; Barbosa,Crislany Lima; Abot,Alfredo Raul; Ide,Sérgio. |
| Occurrence of adults and biological aspects of Geniates borelli Camerano (Coleoptera, Scarabaeidae, Rutelinae) in Aquidauana, Mato Grosso do Sul, Brazil. Due to the importance of Geniates borelli Camerano as a pest in many crops, studies were developed at Universidade Estadual de Mato Grosso do Sul, Aquidauana campus, MS, Brazil. Adults were collected with a light trap from January 2006 to December 2007. 3,320 adults were collected, and the highest quantities were obtained in October 2006 and November 2007, with 1,548 and 802 adults recorded, respectively. Collected adults were kept in plastic containers with soil and Brachiaria decumbens seedlings for oviposition. 535 eggs measuring 2.30 × 1.60 mm were obtained. As the embryonic development progressed,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biological cycle; Insecta; Scarabaeoidea; Soil pest; White grub. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262012000300008 |
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| Fuhrmann,Juares; Dias,Bruno Mateus Ribeiro; Rodrigues,Sérgio Roberto. |
| ABSTRACT Some species of Cyclocephala Dejean, 1821 (Coleoptera, Scarabaeidae, Dynastinae, Cyclocephalini) were reported as crop or pasture pests. Within this genus, Cyclocephla tucumana Bréthes, 1904 was noticed in cultivated areas in South Brazil, 2009 − 2010. Other study found larvae of the species associated with pastures in Aquidauana, Mato Grasso do Sul State (MS), 2009. In the present study, larvae of C. tucumana were collected in pasture areas from August 2015 to July 2016, in Cassilândia, MS. The material was reared in laboratory for the description of immatures, and the regional population was studied to clarify its dynamics. Immatures were abundant throughout the years and are described for the first time. Taxonomic discussion, updated key to... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cyclocephalini; Pleurosticti; Neotropical; White grub; Teratology. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262019000400331 |
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| Millas,Paz; Carrillo,Roberto. |
| Larvae of Hylamorpha elegans (Burm.) and Phytoloema herrmanni Germ. feed on roots, although many Scarabaeidae species are able to feed and survive on soil without living roots. In this study we evaluated the potential of H. elegans and P. herrmanni to ingest soil by estimating the rate of soil egestion. In the laboratory, the rate of soil egestion was determined from gut content and gut transit time of 3rd-instar larvae feeding on soil without roots. The soil egestion rate was 14-21 mg g-1 d-1 for H. elegans and 11-16 mg g-1 d-1 for P. herrmanni. The gut transit time (time of soil passage from mouth to anus) was 2-3 d for both species and the gut content was 41 ± 2 mg g-1 for H. elegans and 32 ± 2 mg g-1 for P. herrmanni. The quantitative importance of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ingest; Compaction; White grub. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000500004 |
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| Oliveira,Lenita J; Farias,José R B; Hoffmann-Campo,Clara B; Amaral,Maria L B do; Garcia,Maria A. |
| Phyllophaga cuyabana (Moser) temporal and vertical distribution patterns were evaluated in the soil profile, in order to subsidize methodology for population sampling, aiming at its management. In insect surveys carried out during three years, in Boa Esperança County, State of Parana, Brazil, Phyllophaga cuyabana was univoltine, with little overlap of the larval stages. Population peaked during December-February, but declined during the colder months, when larvae were in diapause. Different developmental stages exploited distinct soil depths. Eggs and early first instars tended to concentrate between 5 cm and 10 cm deep, but they spread more uniformly through the soil profile, reaching depths up to 30 cm, as they developed. Adults and eggs occurred in the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Scarabaeoidea; White grub; Soil pest; Soil macrofauna. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2009000500004 |
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| Hernández López, Jorge. |
| Se realizo una búsqueda aislamientos infectando larvas de gallina ciega en el estado de Guanajuato, México. Se obtuvieron 13 aislamientos, 11 de la especie Beauveria bassiana y dos de Metarhizium anisopliae. Los aislamientos obtenidos, más otros cuatro (dos de M. anisopliae y dos de B. bassiana) obtenidos de otras fuentes fueron evaluados en larvas de Phyllophaga polyphylla para estimar los niveles de virulencia. Los porcentajes de mortalidad fueron muy bajos (menor al 20%); sin embargo, estos resultados ayudaron a seleccionar siete aislamientos (cuatro de B. bassiana y tres de M. anisopliae) para confirmar la virulencia de los aislamientos seleccionados. Posteriormente, únicamente se seleccionó cuatro aislamientos (dos de cada especie de hongo), donde... |
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Palavras-chave: Gallina ciega; Phyllophaga; Factores bióticos y abióticos; Biotic and abiotic; White grub; Maestría; Entomología y Acarología. |
| Ano: 2010 |
URL: http://hdl.handle.net/10521/224 |
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| Hernández López, Jorge. |
| Se realizo una búsqueda aislamientos infectando larvas de gallina ciega en el estado de Guanajuato, México. Se obtuvieron 13 aislamientos, 11 de la especie Beauveria bassiana y dos de Metarhizium anisopliae. Los aislamientos obtenidos, más otros cuatro (dos de M. anisopliae y dos de B. bassiana) obtenidos de otras fuentes fueron evaluados en larvas de Phyllophaga polyphylla para estimar los niveles de virulencia. Los porcentajes de mortalidad fueron muy bajos (menor al 20%); sin embargo, estos resultados ayudaron a seleccionar siete aislamientos (cuatro de B. bassiana y tres de M. anisopliae) para confirmar la virulencia de los aislamientos seleccionados. Posteriormente, únicamente se seleccionó cuatro aislamientos (dos de cada especie de hongo), donde... |
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Palavras-chave: Gallina ciega; Phyllophaga; Factores bióticos y abióticos; Biotic and abiotic; White grub; Maestría; Entomología y Acarología. |
| Ano: 2010 |
URL: http://hdl.handle.net/10521/224 |
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| Registros recuperados: 16 | |
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