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Title of Journal: J Pest Sci

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Abbravation: Journal of Pest Science

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Springer-Verlag

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DOI

10.1002/hed.1103

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1612-4766

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Effects of age and host availability on reproducti

Authors: Majid Mahmoudi Ahad Sahragard Jalal Jalali Sendi
Publish Date: 2009/08/28
Volume: 83, Issue: 1, Pages: 33-39
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Abstract

Laboratory studies were conducted to determine the effects of Trioxys angelicae Haliday Hym Braconidae age and host density Aphis fabae Scopoli Hem Aphididae on selected attributes of parasitoid reproductive biology The number of hosts parasitized per day was used as an estimate of wasp fecundity Parasitoid longevity was not affected by host density and at host densities of 2 4 6 8 10 15 20 30 40 or 60 aphids per day the parasitoids lived an average of 896 ± 082 days at 21°C At host densities of ≤20 aphids per day lifetime fecundity of a single Trioxys angelicae female was limited by the number of hosts available Lifetime fecundity was highest with an average of 15814 ± 2033 at a density of 30 aphids per day the maximum number of aphids parasitized by any female was 235 Daily fecundity and sex ratio were affected by parasitoid age and host density Agespecific fecundity at different host densities fitted well to a nonlinear model In conclusion the fecundity and female progeny production of Trioxys angelicae as an important biological control agent of A fabae is influenced by host availability


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  1. Larvicidal activity of Solanum villosum Mill (Solanaceae: Solanales) leaves to Anopheles subpictus Grassi (Diptera: Culicidae) with effect on non-target Chironomus circumdatus Kieffer (Diptera: Chironomidae)
  2. Susceptibility of different life stages of Tribolium confusum to pyrethrin aerosol: effects of a flour food source on insecticidal efficacy
  3. Biological impact of harmaline, ricinine and their combined effects with Bacillus thuringiensis on Spodoptera exigua (Lepidoptera: Noctuidae)
  4. Parasitoid complex of alfalfa aphids in an IPM intensive crop system in northern Catalonia
  5. Adult reproductive diapause in Drosophila suzukii females
  6. Midgut cysteine-proteinase activity in the velvetbean caterpillar ( Anticarsia gemmatalis (Hübner))
  7. Biological control of Alphitobius diaperinus with Steinernema rarum CUL and Heterorhabditis bacteriophora SMC and feasibility of application in rice hull
  8. Ecology of termites from the genus Nasutitermes (Termitidae: Nasutitermitinae) and potential for science-based development of sustainable pest management programs
  9. Defensin (TvD1) from Tephrosia villosa exhibited strong anti-insect and anti-fungal activities in transgenic tobacco plants
  10. Infection of red palm weevil, Rhynchophorus ferrugineus , by spore-forming bacilli indigenous to its natural habitat in Egypt
  11. Artificially applied plant volatile organic compounds modify the behavior of a pest with no adverse effect on its natural enemies in the field
  12. Determination of susceptibility and resistance of some greenhouse populations of Tetranychus urticae Koch to chlorpyrifos (Dursban 4) by the petri dish–Potter tower method
  13. Laboratory rearing of the solitary egg-larval parasitoid, Chelonus oculator Panzer (Hymenoptera: Braconidae) on a newly recorded factitious host Plodia interpunctella (Hübner) (Lepidoptera: Pyralidae)

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