Abstract
Inventories of Amazon invertebrates are relatively incipient and fragmented. The state of Amapá is one of the Amazonian states with a large knowledge gap regarding invertebrate biodiversity. Also, there is no record in the literature of systematic studies that focus mainly on the Acridofauna. Therefore the goal of this study was to understand the diversity and abundance of grasshoppers (Gomphocerinae) of the Environmental Protection Area of the Curiaú river, Macapá - AP. Twelve samples were collected from October 2011 to September 2012 using the active search technique with sweep nets. A total of 508 Gomphocerinae individuals were sampled and classified into five genera and twelve species. The floristic composition of sites A1 and A3, and sites A5 and A6, are considered more similar since the locusts are closely related to the vegetation. This is the first study assessing the diversity of orthopteroides in the state of Amapá. However, this pioneering study is expected to be the basis of future studies.
Highlights
The main representatives of the order Orthoptera are commonly known as grasshoppers, crickets and bush-crickets
The Gomphocerinae are distributed along the Neotropics and can be found from the southern United States to Argentina (Otte 1981 and Cigliano et al, 2018)
The goal of this study was to evaluate the diversity and abundance of grasshoppers (Gomphocerinae) of the EPA of the Curiaú River, (Macapá, State of Amapá), identifying the composition of species sampled in the study area and diversity estimates
Summary
The main representatives of the order Orthoptera are commonly known as grasshoppers, crickets and bush-crickets. This order has approximately 25,000 species described worldwide (Naskrecki & Otte 1998) and is recognized primarily for its ecological and economic importance. The Gomphocerinae are distributed along the Neotropics and can be found from the southern United States to Argentina (Otte 1981 and Cigliano et al, 2018) Among this subfamily, the genus Rhammatocerus Saussure 1861 has been the least studied, with a wide geographical distribution in Brazil, and has a known record of nine species (Assis-Pujol 1997). The species Rhammatocerus schistocercoides (Rehn 1906), in particular, is a leading locust in the attack of plantations in the state of Mato Grosso (Batistella et al, 1997)
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