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Entomophaga

, Volume 22, Issue 1, pp 3–18 | Cite as

A short account of the biological control ofPromecotheca cumingi [Col.: Hispidae] the coconut leaf-miner, in Sri Lanka

  • P. R. Dharmadhikari
  • P. A. C. R. Perera
  • T. M. F. Hassen
Article

Abstract

The leaf-mining hispidPromecotheca cumingiBaly, was first recorded as a pest on coconut in Sri lanka in October 1970. Its possible mode of entry and spread from the point of first occurrence are discussed. An account is given of the life-cycle, rate of multiplication, host plants and damage under Sri Lanka conditions. The spectacular success achieved in controlling the pest, which was spread over about 8,000 hectares, using the biological method, the techniques adopted for breeding and release of exotic parasites and the follow-up surveys to ascertain activity of the introduced parasites are discussed in detail. A brief account of the cost/benefit analysis is also given.

Keywords

Host Plant Plant Pathology Biological Control Biological Method Short Account 
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

L'hispide mineur des feuilles,Promecotheca cumingiBaly a été signalé pour la première fois comme ravageur des cocotiers à Sri Lanka en octobre 1970. Son mode d'introduction possible et son extension à partir de la localité où il a été observé tout d'abord sont discutés. Le cycle évolutif, le taux de multiplication, les plantes-hôtes et la nature des dégâts dans les conditions de Sri Lanka sont rappelés. Sont discutés en détail: les raisons du succès spectaculaire obtenu par la lutte biologique contre ceravageur qui s'était répandu sur environ 8000 hectares, les techniques d'élevage et de lâcher des parasites introduits ainsi que les contrôles qui ont suivi ces lâchers. Des informations sont également fournies sur le bilan financier de l'opération.

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Copyright information

© Le François 1977

Authors and Affiliations

  • P. R. Dharmadhikari
    • 1
  • P. A. C. R. Perera
    • 2
  • T. M. F. Hassen
    • 2
  1. 1.Food and Agriculture Organisation of the United Nations C/o.UNDPSri Lanka
  2. 2.Coconut Research InstituteLunuwilaSri Lanka

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