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Mortality of the defoliator Euselasia eucerus (Lepidoptera: Riodinidae) by biotic factors in an Eucalyptus urophylla plantation in Minas Gerais State, Brazil 42
Zanuncio,José C.; Torres,Jorge B.; Sediyama,Camilla A.Z.; Pereira,Fabricio F.; Pastori,Patrik L.; Wermelinger,Eduardo D.; Ramalho,Francisco S..
Euselasia eucerus (Hewitson, 1872) (Lepidoptera: Riodinidae) is a Brazilian native species commonly found in Eucalyptus plantations. Biotic mortality factors of this defoliator were studied in a Eucalyptus urophylla plantation in Minas Gerais State, Brazil aiming to identify natural enemies and their impact on this insect. Euselasia eucerus had biotic mortality factors during all development stages. The most important were Trichogramma maxacalii Voegelé and Pointel, 1980 (Hymenoptera: Trichogrammatidae) during egg stage (48.9%), a tachinid fly (Diptera: Tachinidae) during larval stages (10%) and Itoplectis sp. (Hymenoptera: Ichneumonidae) during pupal stage (52.2%). The parasitism rate was higher in the basal part of the plant canopy (37.8%).
Tipo: Info:eu-repo/semantics/article Palavras-chave: Eulophidae; Fungus; Ichneumonidae; Pentatomidae; Scelionidade; Trichogramma.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652009000100008
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Toxicity of Bacillus species to larvae of Lutzomyia longipalpis (L. & N.) (Diptera: Psychodidae: Phlebotominae) 44
Wermelinger,Eduardo D.; Zanuncio,José C.; Rangel,Elizabeth F.; Cecon,Paulo R.; Rabinovitch,Leon.
A study was conducted to compare the susceptibility of third instar larvae of Lutzomyia longipalpis (L. & N.) (Diptera: Psychodidae: Phlebotominae), the vector of the American visceral leishmaniasis to two strains of Bacillus thuringiensis serovar israelensis, one strain of Bacillus sphaericus (all pathogenic to Diptera Culicidae) and a strain of B. thuringiensis ser. morrisoni (pathogenic to larvae of Anticarsia gemmatalis (Hübner) (Lepidoptera: Noctuidae)). Larvae of L. longipalpis showed similar susceptibility to the two strains of B. thruringiensis ser. israelensis, while B. sphaericus and B. thuringiensis ser. morrisoni showed low and no larvicidal effect to this vector, respectively.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Insecta; Microbial control; Leishmaniasis.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0301-80592000000300025
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