Seasonal distribution and diel biting patterns of culicine mosquitoes in Costa Marques, Rondônia, Brazil

Klein, Terry A.; Lima, Jose B. P.; Tang, Amazonia Toda

doi:10.1590/s0074-02761992000100021

Cited by 39 publications

(33 citation statements)

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“…Several reports regarding the characteristics of temporal activity of An darlingi revealed a pattern of temporal activity in South America that ranges from unimodal to trimodal [15][16][17][18][19][20] , bimodal being the most common. In the study area, this last pattern was predominant before the dam project, but was altered following the lake formation.…”

Section: Conflict Of Interest Financial Support Discussionmentioning

confidence: 99%

Effects of flooding of the River Paraná on the temporal activity of Anopheles (Nyssorhynchus) darlingi Root (Diptera: Culicidae), at the border state of Mato Grosso do Sul and São Paulo, Brazil

Gomes

Paula

Natal

et al. 2010

Rev. Soc. Bras. Med. Trop.

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INTRODUCTION: Study of the temporal activity of malaria vectors during the implantation of a hydroelectric power station on the River Paraná, intended to generate electrical energy. The river separates the States of São Paulo and Mato Grosso do Sul, in Brazil. The objective was to verify whether alterations occurred in the wealth and diversity indices of Anopheles, following two successive floods, extended to the temporal activity and nycthemeral rhythm followed over a five year period. METHODS: Mosquito capture was performed monthly using the Human Attraction Technique and Shannon Traps. The first, executed for 24h, provided the nycthemeral rhythm and the second, lasting 15h, permitted the tracking of Anopheles during the two floods. RESULTS: The bimodal pattern of Anopheles darlingi defined before these floods was modified throughout the environment interventions. The same effect had repercussions on the populations of An albitarsis s.l., An triannulatus and An galvaoi. Activity prior to twilight was less affected by the environment alterations. CONCLUSIONS: The dam construction provoked changes in Anopheles temporal activity patterns, permitting classification of the area as an ecologically steady and unstable situation. Differences observed in Anopheles behavior due to the capture methods revealed the influence of solo and multiple attractiveness inside the populations studied.

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Section: Conflict Of Interest Financial Support Discussionmentioning

confidence: 99%

Effects of flooding of the River Paraná on the temporal activity of Anopheles (Nyssorhynchus) darlingi Root (Diptera: Culicidae), at the border state of Mato Grosso do Sul and São Paulo, Brazil

Gomes

Paula

Natal

et al. 2010

Rev. Soc. Bras. Med. Trop.

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“…At Sedlec, Culex modestus Ficalbi was a clearly dominant species from May to the end of June (Table 2, 4), with the highest capture (6,952 females) recorded in the second sampling trip (20)(21)(22). However, between 31 August and 2 September when the incidence of Aedes vexans (Meigen) and, to a lesser extent, Ochlerotatus sticticus (Meigen) peaked, only 225 Cx.…”

Section: Resultsmentioning

confidence: 99%

“…Chadee et al [21]). Furthermore, daily activity of the mosquito species of medical or veterinary importance has been monitored in Brazil [22], Parris Island (South Carolina) [23], France [24] and Sweden [25].…”

Section: Introductionmentioning

confidence: 99%

Daily and seasonal variation in the activity of potential vector mosquitoes

Šebesta¹,

Gelbič

Peško

2011

Open Life Sciences

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In the course of season 2010 (May–September), three 2-day trappings of female mosquitoes were carried out at two sites in order to determine the daily activity of the common mosquito species (e.g. species from genus Culex, Aedes, Ochlerotatus, Anopheles, etc.) in the area. CDC light traps filled with CO2 and placed at a height of 1 m were used to trap individuals, and were sampled every 2 h. A total of 19,604 female mosquitoes from 20 identifiable species were trapped: 7,549 at Sedlec and 12,055 at Kančí obora. The activity of the major species of mosquitoes in South Moravia differed throughout the course of the day. Calamity species of the genus Aedes and Ochlerotatus remained active throughout the day and night, but with different course. Aedes vexans, Ae. cinereus, and Ae. rossicus were most active in the late afternoon and highly active for most of the night. Ochlerotatus sticticus was captured most often in the afternoon, and its abundance decreased rapidly before sunset. The activity of Oc. cantans s.l. (Oc. cantans + Oc. annulipes) females varied little during the day and night. The daily activity for the main vectors of West Nile virus, Culex pipiens and Cx. modestus, were totally different from that of other species. Cx. pipiens females showed significant night activity, while Cx. modestus was most active in the evening. Nighttime activity was also observed in female mosquitoes of the genus Anopheles.

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“…Na distribuição temporal de casos por ano analisado para as duas subpopulações, observam-se frequentes oscilações na incidência da malária, seja em escala mensal ou anual. Picos de alta endemicidade podem ser distinguidos na subpopulação de não-gestantes no período entre julho e agosto, que coincide com o período final das chuvas, no qual a proliferação do vetor é maior 18 . A mesma observação não é possível para a subpopulação de gestantes, talvez devido à totalidade dos casos notificados.…”

Section: Resultados Métodosunclassified

Malária em mulheres de idade de 10 a 49 anos, segundo o SIVEP- Malária, Manaus, Amazonas, 2003-2006

Almeida

Barbosa

Martínez-Espinosa

2010

Rev. Soc. Bras. Med. Trop.

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RESUMO. Results: Over this period, 13,308 malaria cases were notified, of which 815 (6.1%) were among pregnant women. There was a gradual decrease in the absolute numbers of cases among pregnant and non-pregnant women. Regarding species, 14.3% of the notified cases were caused by Plasmodium falciparum; 85% by Plasmodium vivax and 0.6 % by both of them. The frequency of Plasmodium falciparum infection was greater among pregnant women than among non-pregnant women (p > 0.05). Although most of the cases lived in the eastern zone of the city, the western zone appeared to be the likely location of infection in 39% of the cases. Endemic peaks of malaria in July and August were observed among the non-pregnant women in all four years analyzed. Conclusions: The data showed that SIVEP-Malaria was an important tool for determining the distribution of malaria cases and that it should be used for controlling the endemic disease. However, the data from its first four years of operation showed that the quality was compromised by data entry failures, using the field of notification of pregnancy as an example.

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Seasonal distribution and diel biting patterns of culicine mosquitoes in Costa Marques, Rondônia, Brazil

Cited by 39 publications

References 0 publications

Effects of flooding of the River Paraná on the temporal activity of Anopheles (Nyssorhynchus) darlingi Root (Diptera: Culicidae), at the border state of Mato Grosso do Sul and São Paulo, Brazil

Effects of flooding of the River Paraná on the temporal activity of Anopheles (Nyssorhynchus) darlingi Root (Diptera: Culicidae), at the border state of Mato Grosso do Sul and São Paulo, Brazil

Daily and seasonal variation in the activity of potential vector mosquitoes

Malária em mulheres de idade de 10 a 49 anos, segundo o SIVEP- Malária, Manaus, Amazonas, 2003-2006

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