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Protein content of leaf-cutting ant queens before the nuptial flight and during the post-claustral phase Rev. Bras. entomol.
Silva,Edypo Jacob; Camargo,Roberto da Silva; Forti,Luiz Carlos; Travaglini,Raphael Vacchi.
Protein content of leaf-cutting ant queens before the nuptial flight and during the post-claustral phase. This study evaluated the crude protein content of queens of Atta sexdens before the nuptial flight and after the claustral phase in laboratory and field colonies. The hypothesis was that protein is used for survival of the queen and for early colony growth during the claustral phase. Additionally, the nest morphology, live biomass and adult population of field colonies were evaluated. Crude protein was determined by digestion of the organic material with sulfuric acid at high temperatures. The mean crude protein content was 123.23 ± 11.20 mg for females before the nuptial flight and 70.44 ± 12.21 mg for laboratory-reared queens after the claustral...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Claustral phase; Insecta; Leaf-cutting ants; Nest; Protein content.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262014000400005
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Interactions of adjuvants on adhesion and germination of Isaria fumosorosea on adults of Diaphorina citri Scientia Agricola
Arnosti,André; Delalibera Junior,Italo; Conceschi,Marcos Roberto; D’Alessandro,Celeste Paola; Travaglini,Raphael Vacchi; Camargo-Mathias,Maria Izabel.
ABSTRACT: Asian citrus psyllid, Diaphorina citri, is considered the most important citrus pest worldwide, as it transmits Huanglongbing – serious citrus disease. New efficient and sustainable strategies to control this pest have been investigated and the use of entomopathogenic fungi has become a promising alternative. The objective of this study was to evaluate the effects of adjuvants a) Tween 80 at 0.01 % (v/v); b) Silwet L77 at 0.025 % (v/v) and c) KBRAdj at 0.075 % (v/v) on adhesion, germination and pathogenicity of Isaria fumosorosea ESALQ-1296(5 × 106 conidia mL–1). Female adults of D. citri used in this experiment were sprayed on Citrus limonia seedlings. The sprayed insects were analyzed through scanning electron microscopy (SEM) to identify the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biological control; Asian citrus psyllid; Entomopathogenic fungi; Formulation; Integument.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162019001600487
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