[Isolation of Haemophilus aegyptius associated with Brazilian purpuric fever, of Chloropidae (Diptera) of the genera Hippelates and Liohippelates]. / Isolamento de Haemophilus aegyptius associado à febre purpúrica brasileira, de cloropídeos (Diptera) dos gêneros Hippelates e Liohippelates.

The recognition of the Brazilian purpuric fever (BPF) in 1984 led to a number of studies which showed a relation between this disease and conjunctivitis caused by Haemophilus aegyptius. The increase in cases of conjunctivitis in children associated with higher population density of eye gnats (Chloropidae: Hippelates) has been reported since last century. This phenomenon is related to the attraction that those flies show for the eyes, secretions and wounds, from where they feed on. Although there are evidences on the role of these flies in the mechanical transmission of seasonal bacterial conjunctivitis, the isolation of Haemophilus aegyptius from them in their natural habitat had not been demonstrated yet. In this study Haemophilus aegyptius associated to BPF was isolated from two pools of chloropids collected around the eyes of children with conjunctivitis which were identified as Liohippelates peruanus (Becker) and a new species Hippelates neoproboscideus.

Isolamento de Haemophilus aegyptius associado a febre purpurica brasileira de cloropideos (diptera) dos generos Hippelates e Lioheppelates / Isolation of Haemophilus aegyptius associated to brazilian purpuric fever from Hippelates and Liohippelates flies (Diptera: Chloropidae)

O reconhecimento da Febre Purpurica Brasileira (FPB), em 1984, originou uma serie de estudos que revelaram uma correlacao desta doenca com conjuntivites causadas por Haemophilus aegyptius. A associacao do aumento de conjuntivites em criancas e a maior densidade populacional de cloropideos do genero Hippelates ja havia sido verificada desde o seculo passado. Este fenomeno esta relacionado ao tropismo que estes insetos apresentam pelos olhos, secrecoes e feridas de onde se alimentam....