DSpace Communidade: Produção Técnico-científica do Departamento de Biologia AnimalProdução Técnico-científica do Departamento de Biologia Animalhttps://locus.ufv.br//handle/123456789/118342024-03-29T07:59:46Z2024-03-29T07:59:46ZAspectos biológicos do parasitóide Chelonus insularis (Cresson) (Hymenoptera, Braconidae) criados em ovos de Spodoptera frugiperda (Smith) (Lepidoptera, Noctuidae)Rezende, Maria A. A.Della Lucia, Terezinha M. C.Cruz, Ivanhttps://locus.ufv.br//handle/123456789/272092019-10-03T13:30:48Z1995-01-01T00:00:00ZTítulo: Aspectos biológicos do parasitóide Chelonus insularis (Cresson) (Hymenoptera, Braconidae) criados em ovos de Spodoptera frugiperda (Smith) (Lepidoptera, Noctuidae)
Autor(es): Rezende, Maria A. A.; Della Lucia, Terezinha M. C.; Cruz, Ivan
Abstract: Biological aspects of Chelonus insularis (Cresson, 1865) an egg-larval parasitoid reared on Spodoptera frugiperda (Smith, 1797) eggs Chelonus insularis (Cresson. 1865) has been cited in the international literature as a promissing biological control agent against the fall armyworm, Spodoptera frugiperda (Smith, 1797). Its field occurrence in Sete Lagoas, Minas Gerais (Brasil) has been increasing in the last years. For these reasons this experiment was conducted in the laboratory, at the National Corn and Sorghum Research Center, of EMBRAPA, under temperature of 25ºC. RH of 73% and photophase of 12 hours. Ten couples of the parasitoid were individually placed in a glass jar (5 liters capacity). They were fed on a 10% sugar solution. Each couple received one fall armyworm egg mass to oviposit during a 24-hour period. After hatching, the larvae were fed on artificial bean diet, up to the death caused by the parasitoid larvae. The total biological life cycle was 26.61 days on the average (larval period of 20.42 and pupal period of 6.19 days). The average weight of two days - old pupae was 0.02g. The adult longevity was on average. 10 days (8.4 days for males and 11.6 days for females). The greatest rate of parasitism occurred when the female was three days old, with a maximum of 92 eggs parasitized in that day.
Tipo: Artigo1995-01-01T00:00:00ZPredators impairing the natural biological control of parasitoidsReis Jr, RonaldoSouza, Og deVilela, Evaldo F.https://locus.ufv.br//handle/123456789/271862019-10-01T15:06:00Z2000-09-01T00:00:00ZTítulo: Predators impairing the natural biological control of parasitoids
Autor(es): Reis Jr, Ronaldo; Souza, Og de; Vilela, Evaldo F.
Abstract: A well known case of ineffective natural biological control: the puzzling coexistence of the coffee leaf miner, Leucoptera coffeellum (Guérin-Mèneville), and its natural enemies was analyzed. Despite being a suitable prey to eight parasitoid species and three wasp species, all occurring simultaneously, the coffee leaf miner too often presents populations far above the damaging level for the coffee plantation. It is demonstrated that predatory wasps and parasitoids interact negatively, possibly because predatory wasps kill parasitized miner's larvae. In doing so, predatory wasps indirectly kill parasitoids, thereby impairing the efficacy of the natural biological control. It is warned that biological control programs should be based on knowledge of food web interactions, rather than simply on strategies involving introduction of exotic natural enemies.; Foi analisado um caso bem conhecido de insucesso técnico no controle biológico natural: a coexistência enigmática do bicho-mineiro-do-cafeeiro, Leucoptera coffeellum (Guérin-Mèneville), e seus inimigos naturais. Apesar de ser uma presa adequada a oito espécies de parasitóides e três espécies de vespas predadoras, todas ocorrendo simultaneamente, o bicho-mineiro-do-cafeeiro apresenta, muito frequentemente, populações acima do nível de dano econômico para o cafezal. Foi demonstrado que vespas predadoras e parasitóides interagem negativamente, possivelmente porque vespas matam as lagartas de bicho-mineiro-do-cafeeiro parasitadas. Fazendo assim, vespas predadoras matam parasitóides indiretamente, prejudicando a eficiência do controle biológico natural. Conclui-se que programas de controle biológico deveriam estar baseados em conhecimentos de interações tróficas, ao invés de simplesmente se basearem em estratégias que envolvam a introdução de inimigos naturais exóticos.
Tipo: Artigo2000-09-01T00:00:00ZHimenópteros associados a Solanum gilo raddi (Solanaceae)Picanço, MarceloCasali, Vicente Wagner DiasOliveira, Ivênio Rubens deLeite, Germano Leão Demolinhttps://locus.ufv.br//handle/123456789/271162019-09-24T14:23:26Z1997-12-01T00:00:00ZTítulo: Himenópteros associados a Solanum gilo raddi (Solanaceae)
Autor(es): Picanço, Marcelo; Casali, Vicente Wagner Dias; Oliveira, Ivênio Rubens de; Leite, Germano Leão Demolin
Abstract: The Hymenoptera fauna associated to Solanum gilo was studied. There were 21 species of Hymenoptera from eight families. It was observed Homalotylus flaminus (Dalman, 1820) (Encyrtidae) parasiting the adults of Cycloneda sanguinea Linnaeus, 1763 (Coleoptera, Coccinellidae) and Chalcididae parasiting caterpillars of Mechanitis pofymnia casabranca Haensch, 1905 (Lepidoptera, Nymphalidae, Ithomiinae, Sthomiinae). Vespidae were observed preying both M. pofymnia casabranca and Diabrotica speciosa Germar, 1824 (Coleoptera, Chrysomelidae) adults. Halictidae, Andrenidae and Anthophoridae, were observed visiting flowers and Trigona spinipes (Fabricius, 1793) (Apidae) attacking fruits and stem ápices. The most abundant Hymenoptera were Formicidae; Cremalogaster sp. and Camponotus rufipes (Fabricus, 1775) were observed in protocooperation relation with Homoptera, the main cause of plant mortality was Solenopsis saevissima (Smith, 1855). Higher population density of Formicidae occurred on the final phase of cultivation, when there were high insolation and temperature and low pluvial precipitations.
Tipo: Artigo1997-12-01T00:00:00ZSpecies of Lepidoptera defoliators of Eucalyptus as new host for the parasitoid Palmistichus elaeisis (Hymenoptera: Eulophidae)Pereira, Fabricio FagundesZanuncio, Teresinha VinhaZanuncio, José ColaPratissol, DirceuTavares, Marcelo Teixeirahttps://locus.ufv.br//handle/123456789/270362019-09-17T14:51:20Z2008-03-01T00:00:00ZTítulo: Species of Lepidoptera defoliators of Eucalyptus as new host for the parasitoid Palmistichus elaeisis (Hymenoptera: Eulophidae)
Autor(es): Pereira, Fabricio Fagundes; Zanuncio, Teresinha Vinha; Zanuncio, José Cola; Pratissol, Dirceu; Tavares, Marcelo Teixeira
Abstract: Pupae of Thyrinteina arnobia (Stoll) and Thyrinteina leucoceraea Rindge (Lepidoptera: Geometridae) were obtained from Eucalyptus cloeziana F. Muell and Eucalyptus urophylla S.T. Blake plants, respectively. Specimens of a parasitoid emerged from T. arnobia pupae and also found parasitising T. leucoceraea pupae in the field were identified as Palmistichus elaeisis Delvare and LaSalle (Hymenoptera: Eulophidae). This is the first report on P. elaeisis parasitizing T. arnobia and T. leucoceraea pupae in natural conditions in Brazil. P. elaeisis also parasitized these hosts and Bombyx mori Linnaeus (Lepidoptera: Bombycidae), Anticarsia gemmatalis Hubner, Pseudaletia sequax Franclemont, Alabama argillacea Huebner (Lepidoptera: Noctuidae), Dirphia moderata Bouvier (Lepidoptera: Saturniidae) and Halysidota pearsoni Watson (Lepidoptera: Arctiidae) in the laboratory. The production and release of P. elaeisis could be an efficient alternative for controlling Lepidoptera defoliators in eucalyptus plantations.; Pupas de Thyrinteina arnobia (Stoll) e Thyrinteina leucoceraea Rindge (Lepidoptera: Geometridae) foram coletadas em Eucalyptus cloeziana F. Muell e Eucalyptus urophylla S.T. Blake, respectivamente. Espécimes de Palmistichus elaeisis Delvare and LaSalle (Hymenoptera: Eulophidae) emergiram de T. arnobia e foram encontrados sobre pupas de T. leucoceraea em plantas de eucalipto no campo. Esse é o primeiro relato de P. elaeisis parasitando pupas de T. arnobia e T. leucoceraea em condições naturais no Brasil. Além desses hospedeiros, P. elaeisis parasitou em laboratório Bombyx mori Linnaeus (Lepidoptera: Bombycidae), Anticarsia gemmatalis Hubner, Pseudaletia sequax Franclemont, Alabama argillacea Huebner (Lepidoptera: Noctuidae), Dirphia moderata Bouvier (Lepidoptera: Saturniidae) e Halysidota pearsoni Watson (Lepidoptera: Arctiidae). A produção de P. elaeisis e sua liberação em eucaliptais podem representar uma alternativa eficiente de controle de lagartas desfolhadoras de eucalipto.
Tipo: Artigo2008-03-01T00:00:00Z