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Insecticidal activity of cerrado plant extracts on Rhodnius milesi Carcavallo, Rocha, Galvão & Jurberg (Hemiptera: Reduviidae), under laboratory conditions Neotropical Entomology
Coelho,André A.M.; Paula,José E. de; Espíndola,Laila S..
Chagas' disease is chiefly transmitted by feces of haematophagous bugs (Triatominae) that ingested Trypanosoma cruzi from blood of infected people or animals. Pyrethroids have been the main insecticides used against these insects. However, some populations of insects have shown significant levels of resistance to several pyrethroids, indicating the need of new insecticides for the control of triatomines. Insecticidal activity of 24 Cerrado plant extracts belonging to five species of four families were assayed on fourth instar nymphs of Rhodnius milesi Carcavallo, Rocha, Galvão & Jurberg (Hemiptera: Reduviidae), under laboratory conditions. For the extract application on triatomines, 50 µg of the extract were topically applied in duplicate on dorsal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Triatomine bug; Crude extract; Insect control; Simarouba versicolor; Guarea guidonia.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2006000100018
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Synonymy of Plotococcus Miller & Denno with Leptococcus Reyne, and description of a new species from Colombia (Hemiptera: Pseudococcidae) Neotropical Entomology
Kondo,Takumasa; Gullan,Penny J..
Plotococcus Miller & Denno is synonymized with Leptococcus Reyne (Coccoidea: Pseudococcidae). The genus is redescribed and the adult female of the type species, L. metroxyli Reyne, is redescribed and illustrated. All species hitherto included in Plotococcus are transferred to Leptococcus as L. capixaba (Kondo) comb. nov., L. eugeniae (Miller & Denno) comb. nov., L. hambletoni (Kondo) comb. nov., L. minutus (Hempel) comb. nov., and L. neotropicus (Williams & Granara de Willink) comb. nov. A new species of Leptococcus, L. rodmani Kondo sp. n., from leaves of Guarea guidonia (Meliaceae) from Colombia, is described and illustrated based on the adult female. A revised key to adult females of all species in the genus is provided.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Guarea guidonia; Meliaceae; Pest; Taxonomic key.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2008000100007
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Hydatothrips sternalis HOOD Y Hoodothrips lineatus HOOD (THYSANOPTERA: THRIPIDAE), NUEVOS GÉNEROS Y ESPECIES PARA CUBA Rev. Protección Veg.
Castillo,Neisy; González,C; Campos,E.
Se informa por primera vez para Cuba, la presencia de los géneros Hydatothrips y Hoodothrips, y las especies Hydatothrips sternalis y Hoodothrips lineatus, recolectadas sobre hojas de Guarea guidonia (L.) Sleumer y Platyginey hexandra (Jacq) Muller Ark., respectivamente, en una zona protegida, en San José de las Lajas, provincia La Habana.
Tipo: Journal article Palavras-chave: Hydatothrips sternalis; Hoodothrips lineatus; Trips; Guarea guidonia; Platyginey hexandra.
Ano: 2010 URL: http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S1010-27522010000100012
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