Abstract
The gamasid ascid mite, Blattisocius dentriticus (Berlese) (Gamasida: Ascidae) was reared at 30 + 2 °C and 80+ 5 % R.H. on four different foods (the acarid astigmatid mite, Rhizoglyphus robini (Claparede), two different fungi (Fusarium moniliforme, Botrytis allii) and larvae of Musca domesticate Linnaeus. The main objective in this study was to examine the possibilities of using gamasid predator mite, B. dentriticus to fed on different foods. Also the obtained result clear that the lowest incubation period of B.dentreticus was noticed for resulted females and males fed on immature of acarid bulb mite (1.3 & 0.95 days), but the longest period recorded when the female and male individuals fed on the fungus F. moniliforme (3.7 & 2.6 days). From the obtained data also, it could be observed that the duration of life cycle for both sexes was affected by the type of food employed. However, adult longevity of B .dentriticus was influenced by the kind of food employed for female, this period lasted (22.2, 36.8, 32.2 and 24.8) days when the individuals fed on aforementioned foods. These periods changed to (19.2, 30, 25.8 and 21.6 days) for males which fed on the tested foods, respectively. The current study indicated that immature of astigmatid mite, R. robini proved to be the most favorable food as it gave the highest reproduction rate (47.8 eggs). On the contrary, the fungus F. moniliforme resulted in the least number of deposited B.dentritucus eggs with an average of (26 eggs). During the total time (life span) of the predatory mite, B.dentreticus, the total number of the tested consumed prey was significantly differed. The number was (80.2 and119 prey) when the predatory mite males and females fed on amixtures of acarid mite R. robini , respectively. While the number of consumed preys was (77, 113.4 prey) when predatory mite fed on M.domesticae larvae, respectively. The calculated life table parameters were, Mean generation time (T) was (10.35, 26.81, 20.4 and14.85) days. The doubling time (DT) was (2.34, 0.0753, 5.23 and 3.483 times). Finite rate of increase (λ) e rm was (1.34, 1.09, 1.14 and1.22) times/female/day. Gross reproductive rate (GRR) was (29.58, 12.45, 18.5 and 22.43) times/female/day. It could be generally concluded that immatures of bulb mite, R.robini was the most suitable food for the development and reproduction of predator gamasid mite,B.dentriticus.
Highlights
Mites of the family Ascidae constitute an important group of predator arthropods that live in soil, in plants, in stored products, and some species of which are in close association with humans and animals
Blattiscoius dentriticus (Berlese) found in important food materials and associated with acarid mites, in U.S.A. and mites of family Blattisocidae seems very similar in its biology to those of family Phytoseiidae that have been studied and differs only in details and Blattisocids are partly predaceous though their feeding habits are not well known, (Chant, 1963)
The scope of this work was to see biological aspects and life table parameters of mite species when fed on four different foods at constant temperature 30+2°C and 80+5%R.H
Summary
Mites of the family Ascidae constitute an important group of predator arthropods that live in soil, in plants, in stored products, and some species of which are in close association with humans and animals. Such being the case, Blattisocids are receiving attention in the field of biological control of agricultural pests. Mohamed causing both qualitative and quantitative losses especially when stored in moist and unhygienic conditions (Sinha et al, 1962).Blattisocius dentriticus has been found in avariety of habitats in many parts of the world (Haragsim et al, 1978, Basha and Yousef, 2001). The scope of this work was to see biological aspects and life table parameters of mite species when fed on four different foods at constant temperature 30+2°C and 80+5%R.H
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Egyptian Academic Journal of Biological Sciences. A, Entomology
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
