Duas novas esp谷cies de Belostoma Latreille, 1807 (Hemiptera: Heteroptera: Belostomatidae) do grupo plebejum sensu Nieser, 1975

作者：Ribeiro; Jose Ricardo Inacio; Alecrim; Viviani Pereira

来源：Acta Amazonica, 2008.

DOI：10.1590/S0044-59672008000100021

• nepomorpha
• giant water bugs
• taxonomy
• neotropics
• brazil.

species of plebejum group comprises seven extant small species of giant water bugs. this group is currently reported from honduras to southern south america. two new species are described as a result from a revisional study of this group: belostoma estevezae ribeiro %26 alecrim, sp. nov., from mato grosso state, brazil, and b. nessimiani ribeiro %26 alecrim, sp. nov., from amazonas state, brazil. the prosternal keel of b. estevezae, sp. nov., is similar to that of b. nicaeum est谷vez %26 polhemus, 2007, while the male genitalia structures of b. nessimiani, sp. nov., is similar to those of b. parvum est谷vez %26 polhemus, 2007. a key to the species of plebejum group with new species included is also provided.