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Feeding, development and reproduction of the predatory mite, Hypoaspis vacua on various kinds of food substances (Acari: Laelapidae)

Published online by Cambridge University Press:  19 September 2011

B. A. Abou-Awad ,
A. K. Nasr ,
E. A. Gomaa  and
M. M. Abou-Elela
B. A. Abou-Awad
Affiliation:
Plant Protection Department, National Research Centre, Dokki, airo, Egypt
A. K. Nasr
Affiliation:
Plant Protection Department, National Research Centre, Dokki, airo, Egypt
E. A. Gomaa
Affiliation:
Plant Protection Department, National Research Centre, Dokki, airo, Egypt
M. M. Abou-Elela
Affiliation:
Plant Protection Department, National Research Centre, Dokki, airo, Egypt
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Abstract

The predacious mite, Hypoaspis vacua (Michael) successfully developed from larva to adult stage when fed on eggs of housefly, Musca domestica (L.) and nymphs of acarid mite, Rhizoglyphus echinopus (Fum. & Rob.) in the laboratory. The duration of the immature stages and of the adult stage were determined. Food type greatly affected female fecundity and feeding capacity. Immature stages of H. vacua consumed in total an average of 13.6 eggs of M. domestica and 33.0 nymphs of R. echinopus, whereas each day throughout her life, the adult female consumed an average of 4.1 eggs of M. domestica and 13.23 nymphs of R. echinopus. Eggs of housefly were the most suitable diet, as it prolonged adult longevity (76.8 days) and increased female fecundity (1.3 eggs/female/day).

Résumé

L'acarien prédateur, Hypoaspis vacua (Michael) s'est developpé avec succés depuis la larve jusqu'au stade adulte quand il s'alimentait sur des oeufs de la mouche domestique Musca domestica (L.) et des larves de l'acarien Rhizoglyphus echinopus (Fum. et Rob.) au laboratoire. Les durées des stades non murs et adulte ont été determinees. Le type de nourriture affectait grandement la fecondite des femelles et la capacité de prise alimentaire. Les stades pré-adultes consomment au total en moyenne 13.6 M. domestica et 33.0 R. echinopus par jour pendant toute leur existence, la famella adulte une moyenne de 4.1 M. domestica et 13.23 R. echinopus. Les oeufs de la mouche domestique offraient le régime alimentaire convenant le mieux puisqu'ils prolongeaient la longevité des adultes (76.8 jours) et augentaient la fécondié des femelles (1.3 oeufs/femele/jour).

Keywords

BiologyHypoaspis vacuaLaelapidaeAcaripredacious mites
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 10 , Issue 4 , August 1989 , pp. 503 - 506
Copyright
Copyright © ICIPE 1989

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