Results: 139

Toxicity evaluation of oxamyl against tomato russet mite, Aculops lycopersici (Massee) (Acari: Eriophyideae) and two spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) under greenhouse conditions

Braz. j. biol; 84 (), 2024
Agriculture sector of Saudi Arabia is growing swiftly and tomato is an important crop cultivated mostly under green houses. Unfortunately, it is facing severe infestation due to divers mite species. Present study, relates to evaluation of toxicity of oxamyl against two phytophagous mites; Aculops lycoper...

Phenotypic plasticity in adults of Anticarsia gemmatalis exposed to sub-doses of Bt-based bioinsecticide

Braz. j. biol; 84 (), 2024
Anticarsia gemmatalis Hünber, 1818 is one of the main defoliating species in the soybean crop. Bacillus thuringiensis Berliner, 1915, is a bacterium used in the biological control of this pest species. Resistant populations and their sublethal effects caused by the use of the bacteria have already been ...

Virulence of entomopathogenic nematodes and their symbiotic bacteria, under laboratory conditions, aiming controlling Saccharicoccus sacchari (Cockerell, 1895) (Hemiptera: Pseudococcidae) on sugarcane

Braz. j. biol; 84 (), 2024
Sugarcane crops Saccharum spp. (Poales: Poaceae) produces different derivatives to the world: sugar, ethanol and bioenergy. Despite the application of pesticides, insect pests still cause economic losses, among these the pink sugarcane mealybug Saccharicoccus sacchari (Cockerell, 1895) (Hemiptera: Pseudo...

Impacto dos fungos entomopatogênicos Metarhizium anisopliae e Beauveria bassiana no controle biológico de Rhodnius neglectus: um estudo realizado em condições de laboratório

A doença de Chagas é uma doença negligenciada causada pelo protozoário Trypanosoma cruzi que afeta, aproximadamente, seis a sete milhões de pessoas em todo o mundo, resultando, todos os anos, em cerca de 14 mil mortes por complicações cardíacas e digestivas. A principal forma de transmissão dess...

Considering the role of the assassin snail Anentome helena as a biological control of Bithynia siamensis goniomphalos, the first intermediate host of Opisthorchis viverrini

Biosci. j. (Online); 39 (), 2023
This study aims to investigate whether the assassin snail Anentome helena may serve as a biological control agent of Bithynia siamensis goniomphalos, the 1st intermediate host of Opisthorchis viverrini. Experiments were carried out in the laboratory, and the results found that A. helena showed the variat...

Effect of entomopathogenic fungi on the control of the coffee berry borer in the laboratory

Arq. Inst. Biol; 90 (), 2023
Among the management and control tactics of the coffee berry borer Hypothenemus hampei (Ferrari), there is the use of entomopathogenic fungi. Due to the importance of prospecting isolates of entomopathogenic fungi for the control of the coffee berry borer, the objective of this study was to evaluate the ...

Depredación, reproducción y desarrollo de la catarina Hippodamia convergens (Coleoptera: Coccinellidae)

Rev. biol. trop; 70 (1), 2022
Introducción: Mantener poblaciones de insectos depredadores en el agroecosistema ofreciéndoles presas y recursos alimenticios provenientes de las plantas es importante para mejorar el control biológico y contribuir con la conservación. Objetivo: Determinar si el consumo de presas y recursos alimentic...

Biotechnological potential of essential oils from different chemotypes of Lippia alba(Mill.) N.E.Br. ex Britton & P. Wilson

This study reports the biotechnological importance of seven Lippia albaspecimens collected in different places in Brazil, and evaluation of some activities as larvicidal against Aedes spp., antifungal against dermatophytes; cytotoxicity against SNB-19 (astrocytoma), HCT-116 (human col...

Estudo de métodos naturais para redução de doenças fúngicas em sementes nativas da região Amazônica

Hig. Aliment. (Online); 36 (294), 2022
Existe uma preocupação na produção de alimentos com a segurança sanitária desde o processo de cultivo até a sua expedição aos centros comerciais. Uma das maiores contaminações em sementes por suas características físicas e químicas, é a contaminação fúngica devida à acidez e umidade do...