Effect of temperature on reproductive parameters of Aphidius colemani and Aphidius matricariae (Hymenoptera: Braconidae) on Aphis gossypii (Hemiptera: Aphididae) in laboratory conditions | ||
| Journal of Crop Protection | ||
| Article 4, Volume 1, Issue 1, 2012, Pages 35-40 PDF (104.42 K) | ||
| DOI: 10.48311/jcp.2012.1032 | ||
| Authors | ||
| Abbas Ali Zamani1; Mostafa Haghani* 2; Abbas Ali Zamani1; Katayoon Kheradmand3 | ||
| 1Department of plant protection, Faculty of Agriculture, Razi University, Kermanshah, Iran | ||
| 2Department of Plant Protection, Faculty of Agriculture, Yasouj University, Yasouj, Iran | ||
| 3Department of Plant Protection, Faculty of Aboureihan, University of Tehran, Tehran, Iran | ||
| Abstract | ||
| Abstract The aphid parasitoids, Aphidius colemnai Viereck and A. matricariae (Haliday) (Hymenoptera: Braconidae: Aphidiinae) have high potential as the most effective biological control agents for controlling the cotton aphis Aphis gossypii Glover (Hemiptera: Aphididae). In this investigation, the effect of five constant temperatures (10, 15, 20, 25 and 30 °C) on the reproductive parameters was studied at 65 ±5% relative humidity and a photoperiod of 16L: 8 D hours In this study, the newly laid (one- day old) eggs were reared on third instar nymphs of cotton aphid, and the pupal and adult stages of the parasitoids were recorded daily, until the last individual was found dead. The experiments were carried out with 15 replications at each temperature. The results revealed that the gross fecundity and fertility rates were significantly different at all tested temperatures for both species (P | ||
| Keywords | ||
| aphid parasitoids; Aphis gossypii; Reproductive parameters; Temperatures | ||
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