Comparative Studies of Populations of Lutzomyia umbratilis (Diptera: Psychodidae) in Brazil and Venezuela

We analyzed 64 quantitative and qualitative morphological characters in different populations of Lutzomyia (Nyssomyia) umbratilis Ward & Fraiha from Venezuela (Gran Sabana, Bolívar/BO) and Brazil (Serra do Navio, Amapá/AP, Manaus, Amazonas/AM, Monte Dourado, Pará/PA, and Peixoto de Azevedo, Mato...

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Veröffentlicht in:Journal of medical entomology 2002-07, Vol.39 (4), p.587-600
Hauptverfasser: Azevedo, Alfredo C. R., Lainson, Ralph, Souza, Adelson A., Fé, Nelson F., Feliciangeli, Dora M., Meneses, Cláudio R. V., Rangel, Elizabeth F.
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container_end_page 600
container_issue 4
container_start_page 587
container_title Journal of medical entomology
container_volume 39
creator Azevedo, Alfredo C. R.
Lainson, Ralph
Souza, Adelson A.
Fé, Nelson F.
Feliciangeli, Dora M.
Meneses, Cláudio R. V.
Rangel, Elizabeth F.
description We analyzed 64 quantitative and qualitative morphological characters in different populations of Lutzomyia (Nyssomyia) umbratilis Ward & Fraiha from Venezuela (Gran Sabana, Bolívar/BO) and Brazil (Serra do Navio, Amapá/AP, Manaus, Amazonas/AM, Monte Dourado, Pará/PA, and Peixoto de Azevedo, Mato Grosso/MT). Based on an analysis of qualitative characters, no differences were observed that could distinguish between the populations. Parametric tests were used to verify differences between sample means and variance homogeneity. The analysis-of-variance (ANOVA) test showed the existence of differences between character means in the five populations. In the graphic representation of the Student-Newman-Keuls test (Student–Newman–Keuls), we observed that 77% of the analyzed characters displayed disjunctions between the Venezuelan and Brazilian populations. Considering only the Brazilian population averages, we concluded that they are statistically different. When the Student–Newman–Keuls test was applied, no pattern was found that could separate them. However, in part, the phenetic analysis showed some evidences of heterogeneity in MT population.
doi_str_mv 10.1603/0022-2585-39.4.587
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In the graphic representation of the Student-Newman-Keuls test (Student–Newman–Keuls), we observed that 77% of the analyzed characters displayed disjunctions between the Venezuelan and Brazilian populations. Considering only the Brazilian population averages, we concluded that they are statistically different. When the Student–Newman–Keuls test was applied, no pattern was found that could separate them. However, in part, the phenetic analysis showed some evidences of heterogeneity in MT population.</description><identifier>ISSN: 0022-2585</identifier><identifier>EISSN: 1938-2928</identifier><identifier>DOI: 10.1603/0022-2585-39.4.587</identifier><identifier>PMID: 12144289</identifier><identifier>CODEN: JMENA6</identifier><language>eng</language><publisher>Lanham, MD: Entomological Society of America</publisher><subject>Animals ; Biological and medical sciences ; Brazil ; Female ; Fundamental and applied biological sciences. 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R.</creatorcontrib><creatorcontrib>Lainson, Ralph</creatorcontrib><creatorcontrib>Souza, Adelson A.</creatorcontrib><creatorcontrib>Fé, Nelson F.</creatorcontrib><creatorcontrib>Feliciangeli, Dora M.</creatorcontrib><creatorcontrib>Meneses, Cláudio R. V.</creatorcontrib><creatorcontrib>Rangel, Elizabeth F.</creatorcontrib><title>Comparative Studies of Populations of Lutzomyia umbratilis (Diptera: Psychodidae) in Brazil and Venezuela</title><title>Journal of medical entomology</title><addtitle>J Med Entomol</addtitle><description>We analyzed 64 quantitative and qualitative morphological characters in different populations of Lutzomyia (Nyssomyia) umbratilis Ward &amp; Fraiha from Venezuela (Gran Sabana, Bolívar/BO) and Brazil (Serra do Navio, Amapá/AP, Manaus, Amazonas/AM, Monte Dourado, Pará/PA, and Peixoto de Azevedo, Mato Grosso/MT). Based on an analysis of qualitative characters, no differences were observed that could distinguish between the populations. Parametric tests were used to verify differences between sample means and variance homogeneity. The analysis-of-variance (ANOVA) test showed the existence of differences between character means in the five populations. In the graphic representation of the Student-Newman-Keuls test (Student–Newman–Keuls), we observed that 77% of the analyzed characters displayed disjunctions between the Venezuelan and Brazilian populations. Considering only the Brazilian population averages, we concluded that they are statistically different. When the Student–Newman–Keuls test was applied, no pattern was found that could separate them. However, in part, the phenetic analysis showed some evidences of heterogeneity in MT population.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Brazil</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Insecta</subject><subject>Invertebrates</subject><subject>Lutzomyia umbratilis</subject><subject>Male</subject><subject>Medically important nuisances and vectors, pests of stored products and materials: population survey and control</subject><subject>morphology</subject><subject>Morphology. Histology. Cytology</subject><subject>population variation</subject><subject>Psychodidae - anatomy &amp; histology</subject><subject>Psychodidae - classification</subject><subject>species complex</subject><subject>Vectors. 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source MEDLINE; BioOne Complete; Oxford University Press Journals All Titles (1996-Current)
subjects Animals
Biological and medical sciences
Brazil
Female
Fundamental and applied biological sciences. Psychology
Insecta
Invertebrates
Lutzomyia umbratilis
Male
Medically important nuisances and vectors, pests of stored products and materials: population survey and control
morphology
Morphology. Histology. Cytology
population variation
Psychodidae - anatomy & histology
Psychodidae - classification
species complex
Vectors. Intermediate hosts
Venezuela
title Comparative Studies of Populations of Lutzomyia umbratilis (Diptera: Psychodidae) in Brazil and Venezuela
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