Oviposition pattern of the predator Podisus nigrispinus (Heteroptera: Pentatomidae) under different temperatures

The daily reproductive rate of Podisus nigrispinus (Dallas) (Heteroptera: Pentatomidae) fed with Alabama argillacea (Hubner) (Lepidoptera: Noctuidae) larvae was studied at constant temperatures of 20, 23, 25, 28, 30 and 33+/-0.2 degrees C, relative humidity of 60+/-10% and photoperiod of L:D 14:10....

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Bibliographic Details
Published in:Biocontrol science and technology 2004-08, Vol.14 (5), p.487-498
Main Authors: Medeiros, R.S. de, Silva, A.M.C. da, Zanuncio, J.C, Sousa Ramalho, F. de, Serrao, J.E, Cecon, P.R
Format: Article
Language:English
Subjects:
air temperature
Alabama argillacea
Asopinae
biological control
fecundity
insect control
insect rearing
insect reproduction
mass rearing
Noctuidae
oviposition
Pentatomidae
Podisus nigrispinus
predation
predatory insects
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Summary:The daily reproductive rate of Podisus nigrispinus (Dallas) (Heteroptera: Pentatomidae) fed with Alabama argillacea (Hubner) (Lepidoptera: Noctuidae) larvae was studied at constant temperatures of 20, 23, 25, 28, 30 and 33+/-0.2 degrees C, relative humidity of 60+/-10% and photoperiod of L:D 14:10. Daily reproductive rate of P. nigripinus was affected by age of this predator. Each P. nigrispinus female laid 5.3 (20 degrees C) to 19.9 eggs/day (28 degrees C) which developed into 4.3-16.5 nymphs, respectively. Highest daily reproductive rate of P. nigrispinus was recorded at 28 and 30 degrees C for 5-30-day-old females. This predator showed higher daily reproductive rate than its prey A. argillacea at 25 degrees C. It was also able to reproduce at temperatures from 20 to 33 degrees C with maximum daily reproductive rate between 25 and 30 degrees C. These results are important for optimizing mass rearing of P. nigrispinus in the laboratory.
ISSN:0958-3157
1360-0478
DOI:10.1080/09583150410001682241