Life History of the Predaceous Mite Cunaxa capreolus (Berlese) (Acari: Prostigmata: Cunaxidae) When Fed on Different Diets at Different Temperatures

Document Type : Original Article

Authors

1 Plant Protection Research Institute, A.R.C. Dokki, Giza, Egypt

2 Entomology Dept., Fac. Sci., Cairo Univ., Giza, Egypt

Abstract

This work aimed to study different biological aspects of the predatory mite, Cunaxa capreolus (Berlese) when fed on different diets mainly free living nematode, Rhabditis scanica Allgenand Entomobrya musatica Stach (Collembola) at 25 and 35+2 °C and relative humidity 75+5% R.H. in laboratory. From the study, it was obvious that the different biological aspects (incubation period, life cycle, longevity and life span) of the predator were significantly affected by feeding on the different diets. When the two preys were compared as food, Collembola showed a higher fecundity source than using of free living nematodes as rearing food, where the number of deposited eggs of the predator was 39.11 eggs at 25 ºC, but the free living nematodes as diet was the lowest favorable one, where the predator female deposited 33.05 eggs at 35 ºC. Generally, Collembola proved to be the more suitable prey as resulted in more deposited eggs and longer life span.

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