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Entomophaga

, Volume 16, Issue 3, pp 343–352 | Cite as

Infection of the Eastern Subterranean Termite,Reticulitermes flavipes (Kollar) with the fungusBeauveria bassiana(Balsamo) Vuill.

  • Li-Li Bao
  • W. G. Yendol
Article

Abstract

Observations were made on the histopathology of the eastern subterranean termite,Reticulitermes flavipes (Kollar) infected with the fungusBeauveria bassiana(Balsamo) Vuill. Initial symptoms of infected termites were sluggishness, anal discharge, passivity, and failure to respond to tactile stimuli. Infected fifth instar worker termites changed from a healthy creamy color to a light brown.

Penetration of the integument by germ tubes ofB. bassiana occurred as early as 16 hours after inoculation. Infection through the digestive tract also resulted. Following penetration of the integument the fungus attacked the fat body, then the nervous tissue and finally the musculature.

Keywords

Plant Pathology Digestive Tract Nervous Tissue Germ Tube Initial Symptom 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Résumé

Des observations ont été effectuées sur l’histopathologie du termite souterrain des régions orientales,Reticulitermes flavipes (Kollar) infecté par le champignonBeauveria bassiana(Balsamo) Vuill. Les symptômes initiaux des termites infectés sont l’inertie, l’excrétion anale, la passivité et l’absence de réponse aux stimuli tactiles. Les ouvriers infectés du 5e stade passent de la couleur crème normale au brun clair.

La pénétration du tégument par les tubes germinatifs deB. bassiana commence dès 16 heures après l’inoculation. L’infection par le tube digestif est également obtenue. Après la pénétration à travers le tégument, le champignon attaque le corps adipeux, puis le tissu nerveux et finalement la musculature.

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Copyright information

© Le François 1971

Authors and Affiliations

  • Li-Li Bao
    • 1
  • W. G. Yendol
    • 1
  1. 1.Pesticide Research Laboratory and Graduate Study Center and Department of EntomologyThe Pennsylvania State UniversityUniversity ParkUSA

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