Abstract
Abstract: The Ctenuchina moths comprise 874 New World species. Here we provide a list of Ctenuchina species from the Brazilian Amazon. The list was produced from specimens deposited in the most important Brazilian collections and from literature data. Nearly 31% (273) of the New World Ctenuchina species were recorded, including 28 new occurrences for the Brazilian Amazon. Santarém and Belém were the municipalities with the highest number of species records, with 139 and 88, respectively. The high number of Ctenuchina records in the Amazon is underestimated because this subtribe has never been sampled in the vast majority of the biome. This is a worrying scenario because the Amazon has the world highest absolute rate of forest reduction. To suggest efficient conservation policies for the Arctiinae fauna of Amazon, it is urgent to intensify the sampling effort in this biome.
Highlights
Arctiinae is distributed worldwide (Heppner 1991)
Our research generated a list of 273 Ctenuchina species (Table 1), including 28 new occurrences for the Brazilian Amazon
The number of Ctenuchina species recorded for the Brazilian Amazon reported on this study is high
Summary
With approximately 11,000 species, the Arctiinae moths are divided in four tribes (Zahiri et al 2012), but only Arctiini and Lithosiini occurr in the Neotropics. Arctiini is classified in seven subtribes: Arctiina, Callimorphina, Ctenuchina, Euchromiina, Phaegopterina, Pericopina, and Spilosomina (Weller et al 2009, Vincent & Laguerre 2014). The Ctenuchina moths are found in the “New World” and comprise 874 species (Weller et al 2009). Many species of Ctenuchina form mimicry rings with several wasp species (Simmons, 2009). They have a pair of tympanic organs located in the metathorax, above the spiracles, covered by an operculum. The adults of several species are pharmacophagous and feed on pyrrolizidine alkaloids (Conner & Jordan 2009)
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