Geraldo José Nascimento de Vasconcelos
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View article: First record of tetranychids (Acari: Tetranychidae) on Euterpe precatoria (Arecaceae) in the Brazilian Amazon1
First record of tetranychids (Acari: Tetranychidae) on Euterpe precatoria (Arecaceae) in the Brazilian Amazon1 Open
The Tetranychidae family comprises mite species that are strictly phytophagous and typically associated with medicinal, ornamental, fruit and forest plants. Between August and October 2023, webs and mites were observed on the leaflets of s…
View article: Acaricidal, insecticidal, acetylcholinesterase, and antioxidant activities of essential oil from Piper bartlingianum and Piper goeldii
Acaricidal, insecticidal, acetylcholinesterase, and antioxidant activities of essential oil from Piper bartlingianum and Piper goeldii Open
Essential oils derived from species of the genus Piper are widely recognized for their diverse chemical profiles and broad spectrum of biological properties, making them promising candidates for various applications in agriculture, pharmac…
View article: Damage caused by social wasps (Hymenoptera: Vespidae) to commercial fruits in the Brazilian Amazon region
Damage caused by social wasps (Hymenoptera: Vespidae) to commercial fruits in the Brazilian Amazon region Open
Social wasps play a crucial role in ecosystems by actively foraging and preying on lepidopterans caterpillars, an important group of insects known to damage various structures of cultivated plants. However, there is a discussion about the …
View article: COMPOSIÇÃO QUÍMICA E ATIVIDADE ACARICIDA DO ÓLEO ESSENCIAL DE CAULES DE Piper tuberculatum COLETADOS EM ITACOATIARA, AMAZONAS
COMPOSIÇÃO QUÍMICA E ATIVIDADE ACARICIDA DO ÓLEO ESSENCIAL DE CAULES DE Piper tuberculatum COLETADOS EM ITACOATIARA, AMAZONAS Open
View article: Two new occurrences of Oligonychus (Acari: Thrombidiformes: Tetranychidae) in Coffea canephora Pierre ex. Froehner, with description of damage and record of its natural enemies in the state of Amazonas, Brazil
Two new occurrences of Oligonychus (Acari: Thrombidiformes: Tetranychidae) in Coffea canephora Pierre ex. Froehner, with description of damage and record of its natural enemies in the state of Amazonas, Brazil Open
The objectives of this work were to document two new occurrences of Oligonychus (Trombidiformes: Tetranychidae) in coffee plant, present the damage and climatic conditions that may have favored the high population at the time of records, a…
View article: Lethal and sublethal effects of essential oils fromPiper capitarianumYunck andPiper krukoffiiYunck onPlutella xylostellaL
Lethal and sublethal effects of essential oils fromPiper capitarianumYunck andPiper krukoffiiYunck onPlutella xylostellaL Open
Plutella xylostella (L.) is responsible for considerable vegetable crop losses in the metropolitan region of Manaus, Brazil. In recent decades, essential oils have been investigated as an alternative to synthetic insecticides. The genusPip…
View article: Biological parameters of Tetranychus mexicanus (McGregor) (Acari: Tetranychidae) in papaya and passion fruit
Biological parameters of Tetranychus mexicanus (McGregor) (Acari: Tetranychidae) in papaya and passion fruit Open
The main crops attacked by Tetranychus mexicanus (McGregor) include papaya (Carica papaya L.) and passion fruit (Passiflora edulis Sims); however, the biological parameters of the mite in these hosts remain unknown. This research aimed to …
View article: Biological parameters of Tetranychus mexicanus (McGregor) (Acari: Tetranychidae) in papaya and passion fruit
Biological parameters of Tetranychus mexicanus (McGregor) (Acari: Tetranychidae) in papaya and passion fruit Open
The main crops attacked by Tetranychus mexicanus (McGregor) include papaya (Carica papaya L.) and passion fruit (Passiflora edulis Sims); however, the biological parameters of the mite in these hosts remain unknown. This research aimed to …
View article: Further records of phytoseiid (Acari: Mesostigmata: Phytoseiidae) species for Brazil
Further records of phytoseiid (Acari: Mesostigmata: Phytoseiidae) species for Brazil Open
Phytoseiidae Berlese (Acari: Mesostigmata) is a family of predatory mites found mostly on the aerial plant parts. Several phytoseiid species are commercialized as biological control agents. Even though Brazil is the fifth country with the …
View article: OCORRÊNCIA E ASPECTOS BIOECOLÓGICOS DE Tetranychus urticae (ACARI: TETRANYCHIDAE) EM Acmella oleracea
OCORRÊNCIA E ASPECTOS BIOECOLÓGICOS DE Tetranychus urticae (ACARI: TETRANYCHIDAE) EM Acmella oleracea Open
Um dos fatores que podem afetar a produção de jambu, Acmella oleracea (L.) R
View article: Efeito letal de extratos de piperáceas ao ácaro-vermelho-das-palmeiras, Raoiella indica (Acari: Tenuipalpidae)
Efeito letal de extratos de piperáceas ao ácaro-vermelho-das-palmeiras, Raoiella indica (Acari: Tenuipalpidae) Open
Desde a introdução do ácaro-vermelho-das-palmeiras, Raoiella indica, no Brasil, diversos métodos de controle têm sido estudados para supressão desta praga, a exemplo dos métodos de controle quarentenários, químicos, biológicos e com extrat…
View article: <p class="Body"><strong>Mite (Arachnida: Acari) diversity and abundance on oil palms in the central region of the Brazilian Amazonia</strong></p>
<strong>Mite (Arachnida: Acari) diversity and abundance on oil palms in the central region of the Brazilian Amazonia</strong> Open
The African oil palm, Elaeis guineensis Jacq., is the second oil producing plant most extensively cultivated worldwide. The American oil palm, Elaeis oleifera (Kunth) Cortés, is a similar species rarely planted for commercial oil productio…
View article: Chemical Compositions of Essential Oil of Piper Species from Atlantic Forest of Amazonia, Brazil
Chemical Compositions of Essential Oil of Piper Species from Atlantic Forest of Amazonia, Brazil Open
Essential oils from the leaves of Piper japurense (Miq.) C. DC., P. coariense Yunk., P. auriculifolium Yunk., P. curtistilum C.DC., P. alatipetiolatum Yunk. and P. brevesanum Yunk. from the Amazon Forest (Brazil) were obtained through hydr…
View article: First record of the chemical composition of essential oil of Piper bellidifolium, Piper durilignum, Piper acutilimbum and Piper consanguineum from the Brazilian Amazon forest
First record of the chemical composition of essential oil of Piper bellidifolium, Piper durilignum, Piper acutilimbum and Piper consanguineum from the Brazilian Amazon forest Open
Piper bellidifolium, Piper durilignum, Piper acutilimbum and Piper consanguineum are bushes that occur in the Amazon and are morphologically similar. With the aim of analyzing the chemical profile of the volatile constituents of these spec…
View article: First record of the chemical composition of essential oil of Piper bellidifolium, Piper durilignum, Piper acutilimbum and Piper consanguineum from the Brazilian Amazon forest
First record of the chemical composition of essential oil of Piper bellidifolium, Piper durilignum, Piper acutilimbum and Piper consanguineum from the Brazilian Amazon forest Open
Piper bellidifolium, Piper durilignum, Piper acutilimbum and Piper consanguineum are bushes that occur in the Amazon and are morphologically similar. With the aim of analyzing the chemical profile of the volatile constituents of these spec…
View article: Acaricidal activity of Derris floribunda essential oil and its main constituent
Acaricidal activity of Derris floribunda essential oil and its main constituent Open
Objective: To evaluate the acaricidal activity of the essential oil obtained from roots of Derris floribunda (D. floribunda) (Miq.) Benth, and its main constituent nerolidol against the Mexican mite Tetranychus mexicanus (T. mexicanus) (Mc…
View article: <strong>Diversity of mites associated with <em>Raoiella indica</em> (Acari: Prostigmata) on coconut palms in the central region of the Brazilian Amazonia, with emphasis on the predaceous Phytoseiidae (Acari: Mesostigmata)</strong>
<strong>Diversity of mites associated with <em>Raoiella indica</em> (Acari: Prostigmata) on coconut palms in the central region of the Brazilian Amazonia, with emphasis on the predaceous Phytoseiidae (Acari: Mesostigmata)</strong> Open
The mite Raoiella indica Hirst (Tenuipalpidae) has caused significant damage to coconut palms in the American continent and in the Caribbean area. Emphasis has been given to the establishment of sustainable measures for the control of this…