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USE OF LIFE HISTORY PARAMETERS TO IMPROVE A REARING METHOD FOR HORN FLY, HAEMATOBIA IRRITANS IRRITANS (L.) (DIPTERA: MUSCIDAE), ON BOVINE HOSTS1

Published online by Cambridge University Press:  31 May 2012

T.J. Lysyk
T.J. Lysyk
Affiliation:
Agriculture Canada Research Station, PO Box 3000, Main, Lethbridge, Alberta, Canada T1J 4B1
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Abstract

An improved method for rearing horn flies, Haematobia irritans irritans (L.), on bovine hosts is reported in which adult flies were confined in cages fastened to the backs of stanchioned cattle. Survival of females was 75% per day and longevity averaged 3.5 days. Oviposition began when females were 2 days old. The number of eggs produced per female entering the population averaged 20.1, and a single female could produce up to 112 eggs in her lifetime. Immature survival averaged 48.9%. The generation growth rate was 4.91 females per female. Generation time was 20 days at 25°C. Approximately 1–3.8 g of manure per egg is recommended for larval rearing. Pupae can be stored at 10°C for up to 18 days with little loss in viability. Methods for using the life history information for optimizing rearing are discussed.

Résumé

On trouvera ici la description d’une méthode améliorée d’élevage de la Mouche des cornes, Haematobia irritans irritans (L.), sur des bovins, méthode dans laquelle des mouches adultes sont enfermées dans des cages fixées au dos de bovins attachés à un montant. La survie quotidienne des femelles a été évaluée à 75% et la longévité moyenne, à 3,5 jours. La ponte commence au moment où les femelles sont âgées de 2 jours. Le nombre d’oeufs produits par femelle nouvelle dans la population est en moyenne de 20,1 et une femelle peut produire jusqu’à 112 oeufs au cours de sa vie. La survie des stades immatures est en moyenne de 48,9%. Le taux de croissance d’une génération a été estimé à 4,91 femelles par femelle. La durée d’une génération est de 20 jours à 25°C. Il faut environ 1–3,8 g de fumier par oeuf pour élever les larves. Les pupes peuvent être gardées jusqu’à 18 jours à 10°C sans qu’il y ait trop de perte de viabilité. Les méthodes qui permettent d’utiliser les paramètres démographiques pour optimiser les techniques d’élevage font l’objet d’une discussion.

[Traduit par la rédaction]

Type
Articles
Information
The Canadian Entomologist , Volume 123 , Issue 6 , December 1991 , pp. 1199 - 1207
Copyright
Copyright © Entomological Society of Canada 1991

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