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First report of the occurrence of Ophiocordyceps melolonthae (Ascomycota: Hypocreales: Ophiocordycipitaceae) in larvae of Diloboderus abderus Sturm (Coleoptera: Melolonthidae) in Brazil Biota Neotropica
Salgado-Neto,Geraldo; Valmorbida,Ivair; Guedes,Jerson Vanderlei Carús; Blume,Elena.
This note is the first report on the infection of Diloboderus abderus Sturm (Coleoptera: Melolonthidae) larvae by the fungusOphiocordyceps melolonthae (Hypocreales: Ophiocordycipitaceae) in subtropical Brazil. Identification was made possible by extraction and sequencing of the fungal DNA that was covering the larvae’s mouthparts, prothorax, cuticle, and digestive tract (alimentary canal). Amplification, sequencing and comparison of the ITS region of the ribosomal DNA with voucher sequences of GenBank were performed and were 95% similar to Ophiocordyceps melolonthae. The fungus is an entomopathogen which attacks Melolonthidae larvae, having scientific and economic importance because of the need for increased knowledge on its distribution and on...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biological control; Dissemination; Entomopathogen; Entomopathogenic fungi; Natural infection; Controle biológico; Disseminação; Entomopatógeno; Fungos entomopatogênicos; Infecção natural.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032015000200402
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Population analysis of white grubs (Coleoptera: Melolonthidae) throughout the Brazilian Pampa biome Rev. Bras. entomol.
Valmorbida,Ivair; Cherman,Mariana Alejandra; Perini,Clérison Régis; Cavallin,Lucas de Arruda; Guedes,Jerson Vanderlei Carús.
ABSTRACT The replacement of natural grassland by cultivated areas might favor the increase in abundance of some root-feeding species such as the white grubs, which may become a constraint for field crop production. This research aimed to assay the population density and geographical distribution of white grubs pest and other species in natural grassland and cultivated areas throughout the Brazilian Pampa biome. White grubs were sampled in 18 locations in both landscape use types and identified. Population density (number of larvae m-2) was calculated for each recorded species and sorted within two groups (pest species and other species), compared between natural grasslands and cultivated areas, as well as among locations. A dendrogram to evaluate species...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Population density; Diloboderus abderus; Plectris; Grasslands; Cultivated areas.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262018000400275
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