Abstract
Understanding the temporal variation in abundance patterns of vector or potential vector species, as well as the abiotic factors associated with these patterns, enables the creation of strategic measures aimed at preventing diseases spread by these organisms. Here, we evaluate through circular and linear analyses the temporal variation in abundance patterns of native mosquito species and verify how abiotic factors (temperature and rainfall) have influenced these patterns. For this purpose, fortnightly collections were carried out during one year in a remnant of the Atlantic Forest in Southern Brazil. We collected 1891 specimens belonging to 24 species. From those, 10 species were abundant enough to evaluate temporal variation in abundance patterns. We found different periods of occurrence for different species of mosquitoes and the distribution of abundances also differed throughout the year. Temperature was the main abiotic factor associated with temporal variation in abundance patterns presented by mosquito species. In this way, the application of these analyses is particularly interesting for the understanding of temporal variation in abundance patterns and subsequent adoption of preventive strategies for organisms of medical importance such as mosquitoes.
Highlights
Understanding the temporal variation in abundance pa erns of vector or potential vector species, as well as the abiotic factors associated with these pa erns, enables the creation of strategic measures aimed at preventing diseases spread by these organisms
We evaluate through circular and linear analyses the temporal variation in abundance pa erns of native mosquito species and verify how abiotic factors have influenced these pa erns
Temperature was the main abiotic factor associated with temporal variation in abundance pa erns presented by mosquito species
Summary
This study was conducted in the Parque Natural Municipal Vale do Rio do Peixe, a forest fragment comprising approximately 300 ha, located in the municipality of Joaçaba, western Santa Catarina state, Southern Brazil (27°10’22’’ S - 51°30’23’’ W) (Figure 1). The area is covered by primary forest in varying states of conservation, including preserved primary forest, primary forest amended by logging, forest fragment edges, glades, and ponds (Orlandin et al 2017). Three sites were sampled in the forest fragment Collections started at 1:00 p.m. and each site was sampled for 15 minutes, totaling 45 minutes. Ubicación del Parque Natural Municipal Vale do Rio do Peixe, en Joaçaba, Santa Catarina, sur de Brasil, donde se realizaron muestreos de Culicidae entre octubre de 2014 y octubre de 2015. Mosquitoes were deposited in the Zoology Laboratory of Universidade do Oeste de Santa Catarina (UNOESC), Joaçaba campus
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