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Bragantia

Print version ISSN 0006-8705

Bragantia vol.11 no.1-3 Campinas Mar. 1951

https://doi.org/10.1590/S0006-87051951000100010 

Xiphinema brasiliense, nova espécie de nematóide do Brasil, parasita de Solanum tuberosum L.

 

 

Luís Gonzaga E. Lordello(1)

Engenheiro agrônomo, Assistente da Cadeira de Zoologia daEscola Superior de Agricultura "Luís de Queiroz", Universidade de São Paulo (2)

 

 


SUMMARY

Xiphinema brasiliense, a new opistodelphic species of Brazilian nematode, was found in soil around potato roots at Sapecado (State of São Paulo, Brazil).
It differs from the other known opistodelphic species of the genus, by its type of tail end, which is digitate. It contrasts most strongly with X. ensiculiferum (Cobb, 1893), in which the shape of the extremity is decidedly hemispheroidal.
The species most closely resembling X. brasiliense isX. chambersi Thorne, 1939, from which it is distinguished by its longer stylet and the mentioned characteristic form of the end of the tail.
The X. brasiliense amphids are also very short and wide, unlike those of X. chambersi.


 

 

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LITERATURA CITADA

1.  Cobb, N. A. New nematode genera found inhabiting freshwater and nombrackish soils. Jour. Wash. Ac. of Sci. 3 : 132-144, fig. 1, est. 1. 1913.         [ Links ]

2.  Loos, C. A. Notes on free-living and plant parasitic nematodes of Ceylon — N.° 5. Jour. Zool. Soc. of India 1 : 23-29, fig. 1-5. 1949.         [ Links ]

3. Thorne, G. A monograph of the nematodes of the superfamily Dorylaimoidea. Capita Zool. 8 : 1-261, est. 1-32. 1939.         [ Links ]

 

 

(1) Confessamo-nos sinceramente gratos ao Dr. G. Steiner, pela sua bondosa orientação ; à senhorita Edna Buhrer, a cuja gentileza devemos a remessa de bibliografia da Division of Nematology do U.S. Department of Agriculture, e ao Sr. Vladimir Fera, desenhista da Secção de Entomologia Aplicada do Instituto Agronômico de Campinas, que se encarregou das ilustrações definitivas.
(2) Trabalho realizado no Instituto Agronômico de Campinas, sob os auspícios do Fundo de Pesquisas.

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