Microhabitats de mosquitos (Diptera, Culicidae) em internódios de taquara na Mata Atlântica, Paraná, Brasil Mosquitoes microhabitats (Diptera, Culicidae) in bamboo internodes in Atlantic forest, Paraná, Brazil

Autor: Ana Leuch Lozovei
Jazyk: English<br />Spanish; Castilian<br />Portuguese
Rok vydání: 2001
Předmět:
Zdroj: Iheringia: Série Zoologia, Iss 90, Pp 3-13 (2001)
Druh dokumentu: article
ISSN: 0073-4721
1678-4766
DOI: 10.1590/S0073-47212001000100001
Popis: During two consecutive years, from January 1985 to December 1986, a comparative study of mosquitoes preferences for breeding habitat was carried out in the Atlantic Forest of the Serra do Mar, Paraná State, Brazil. To achieve it, 1875 bamboo internodes aligned vertically in live green, bamboo plants Merostachys speciosa Munro and Merostachys sp. were used, in which metabolic water was exuded from the plant itself, and presenting different size/pattern holes at their lateral walls, bored by the local sylvan fauna. Another group of 1200 individual internode traps was used as comparative element, carved out with a transversal cut by a saw, filled with local stream water and held in branches at different heights in the vegetal strata nearby. At both microhabitat types, a total of 17 culicid species was registered. Culex (Microculex) neglectus Lutz, 1904, Cx. (Carrollia) soperi Antunes & Lane, 1937, Sabethes (Sabethes) batesi Lane & Cerqueira, 1942 and Sa. (Sabethinus) melanonymphe (Dyar, 1924)colonized exclusively live plant internodes, while Culex (Microculex) elongatus Rozeboom & Lane, 1950, Cx. (Carrollia) iridescens (Lutz, 1905), Cx. (Carrollia) kompi Valencia,1973and Trichoprosopon (Trichoprosopon) soaresi Dyar & Knab, 1907 bred only in internode traps. The remaining nine species colonized both habitats indistinctly. Quantitatively, was detected the abundance of 60.1% at live green internodes, against 39.9% for internode traps. Concerning the different patterns of bored live internode holes, 40.3% of the total computed specimens were collected in square or rectangular holes, 31.9% in two hole internodes, one minute circular, the other wider, and the remaining 28.8% of specimens distributed in other pattern type internodes. The mosquitoes breeding at these microhabitats fall in the culicid entomofauna specialized at locating and detecting peculiar and propitious mesogen conditions for breeding purposes.
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