Brugia
| Brugia | |
|---|---|
 |
|
| B. malayi from blood smear using Giemsa stain. | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Nematoda |
| Class: | Secernentea |
| Order: | Spirurida |
| Family: | Filariidae |
| Genus: |
Brugia Brugia, 1927 |
| Species | |
Brugia malayi
Brugia timori
Brugia pahangi
Brugia patei
Brugia is genus for a group of small roundworms. They are among roundworms that cause the parasitic disease filariasis. Specifically, of the three species known, Brugia malayi and Brugia timori cause lymphatic filariasis in humans; and Brugia pahangi and Brugia patei infect domestic cats, dogs and other animals. They are transmitted by the bite of mosquitos.
The first species discovered was B. malayi. It was reported by a Dutch parasitologist Steffen Lambert Brug in 1927 from Southeast Asia (Malaya, for which the name was given). It was originally believed to be similar or closely related to another filarial roundworm then named Microfilaria bancrofti (now Wuchereria bancrofti), described by an English naturalist Thomas Spencer Cobbold in 1877. It was for this reason that Brug gave the original name Microfilaria (Filaria) malayi. Brug was aware of the difference mainly on the basis of their occurrence. He found both the worms in Sumatra, Java, Borneo, and Celebes; but in New Guinea only W. bancrofti was present, but not the new species. They are so similar that even after a decade of research, there were still arguments of B. malayi as a separate and valid species. As such S. Sundar Rao and P.A. Maplestone assigned the name Wuchereria malayi in 1940. The scientific name was retained for two decades.
When a new species (now called Brugia pahangi) was discovered in 1956 from dog and cat, J. J. C. Buckley and J. F. B. Edeson named it Wuchereria pahangi after the village Pahang in Malay, where it was discovered. Another species Wuchereria patei was described by Buckley, with G. S. Nelson and R. B. Heisch, in 1958. It was discovered from cats and dogs in Pate Island, Kenya. Buckley reexamined all the Wuchereria species in 1960, and concluded that the genus should contain only W. bancrofti. He created a new genus Brugia in honour of the original discoverer, thus renaming B. malayi, B. pahangi, and B. patei. In 1977, a new species B. timori was reported from Flores Island in Indonesia.
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