ABSTRACT
A new species from the Neotropical Region, Stilobezzia (Stilobezzia) pseudopunctulata Cazorla & Ronderos, is described and illustrated based on male and female adults and pupal exuviae. Adults were collected in the Argentinian provinces of Chaco, Formosa, Corrientes and Buenos Aires, and in Santa Cruz, Bolivia. The pupa was collected from mats of floating aquatic macrophytes in a lagoon in Ilha da Marchantería, in the vicinities of Manaus, Brazil. This new species is compared with its similar congener Stilobezzia punctulata Lane, from which it can be mainly distinguished by the wing with only two dark spots, the parameres longer and hook-shaped, the pupal respiratory organ with 11-12 pores and the very short apicolateral processes of the anal segment.
Uma espécie nova da Região Neotropical, Stilobezzia (Stilobezzia) pseudopunctulata Cazorla & Ronderos, é descrita e ilustrada a partir de adultos macho e fêmea e exúvia pupal. Os adultos foram coletados nas províncias argentinas de Chaco, Formosa, Corrientes e Buenos Aires e em Santa Cruz, Bolívia. A pupa foi coletada em tapetes de macrófitas aquáticas flutuantes em um lago na Ilha de Marchantaria, nas proximidades de Manaus, Brasil. Esta espécie nova é comparada com a sua congênere semelhante Stilobezzia punctulata Lane, a partir da qual pode ser distinguida principalmente pela asa com apenas duas manchas escuras, parâmeros mais longos e em forma de gancho, órgão respiratório da pupa com 11-12 poros e processo apicolateral do segmento anal muito curto.
ABSTRACT
Palpomyia iberaensis n. sp., was collected by Malaise trap in the province of Corrientes, Argentina and its female and attached male genitalia are described and illustrated. The species is distinguished by the following combination of characters: females with dark brown legs except fore trochanter, basal 1/2 of fore femur, basal 2/3 of mid femur, fore and mid tibiae except extreme tip, yellowish brown; fore femur with four to five, mid femur with two ventral spines; abdomen lacking gland rods. Males with gonocoxite stout, with a conspicuous posteromesal pointed hook; gonostylus short, curved; parameres entirely divided, the distal portions slender with two posteriorly directed processes. This species is placed in the tibialis group in spite of the curious parameres without recurved tips. The species is compared with its congener Palpomyia mellichroa, from southeastern Brazil.
Se describe Palpomyia iberaensis n. sp., recolectada con trampa Malaise en Corrientes, Argentina, con base en una hembra que traía adheridos los órganos genitales del macho. Se ubica la especie en el grupo tibialis a pesar de tener parameros con puntas curvadas. Se compara la especie con su congénere brasileño Palpomyia mellichroa.