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Comparative biology of two congeneric stinkbugs, Chinavia impicticornis and C. ubica (Hemiptera: Pentatomidae) 86
Silva,Cleonor Cavalcante Alves; Laumann,Raul Alberto; Moraes,Maria Carolina Blassioli; Aquino,Michely Ferreira Santos de; Borges,Miguel.
The objective of this work was to compare the biology of Chinavia impicticornis and C. ubica (Hemiptera: Pentatomidae), two species of stinkbugs that occur as secondary pests in soybean. Life table procedures were used for evaluating nymphs, and fecundity tables for evaluating adults, in order to establish the demographics of the two species. The two species have similar demographic parameters, and the development of immature stages, from egg to adult, had similar duration periods of approximately 30 days. In both species, eggs and second-instar nymphs were the stages with higher mortality. Total egg production did not differ between females of both species. Fecundity and survival curves for adults showed similar trends in both species. However, C. ubica...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Glycine max; Age-specific fecundity; Life table; Mass rearing; Reproductive potential; Stinkbugs..
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2015000500355
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Identification and field evaluation of a new blend of the sex pheromone of Hypsipyla grandella 86
Blassioli-Moraes,Maria Carolina; Borges,Miguel; Laumann,Raul Alberto; Borges,Rafael; Viana,Amanda Rodrigues; Thomazini,Marcílio José; Silva,Cleonor Cavalcante Alves; Oliveira,Márcio Wandré Morais de; Boff,Mari Ines Carissimi.
Abstract: The objective of this work was to identify and carry out a field testing of the sex pheromone composition of the mahogany shoot borer, Hypsipyla grandella, from a population in Southern Brazil. Abdominal glands of H. grandella females were excised and extracted using n-hexane; the gland extracts were analysed by gas chromatography (GC-FID and GC-MS). Wind-tunnel and electrophysiology experiments were conducted to evaluate the role of gland compounds in the mating behavior of H. grandella males. In the field, pheromone traps containing the identified pheromone were tested. In addition to the two previously identified compounds - (9Z,12E)-tetradecadien-1-ol and (9Z,12E)-tetradecadienyl acetate -, in insects from Central America populations, two...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Electroantennography; Gland extract; Mahogany shoot borer; Pheromone redescription; Semiochemical; Wind tunnel bioassays.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017001100977
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