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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

2016, Vol. 4, Issue 4
Biology of the leafhopper, Zyginidia sohrab Zachvatkin, on corn under laboratory conditions

Çetin Mutlu, Erdal Sertkaya

The life history of Zygnidia sohrab Zachvatkin was studied on potted corn at three constant temperatures (20, 25, 30± 1 °C) under laboratory conditions. The incubation periods of the eggs were 14.4, 11.1, 8.5 days and the mean development time of the five nymphal instars from hatching to adult emergence were 24.6, 15.7, 13.1 days at 20, 25, 30 °C respectively. Adult female longevity was the longest at 20 °C (77.1±23.7 days) and the maximum egg was laid at 25 °C (94.9 egg). The sex ratios (♂/♀) were about the same (1:1.2, 1:1.2 and 1:1.3) at three temperature respectively. The highest net reproductive rate “R0” was 94.80 at 25 °C, the shortest mean generation time “T" was 31.08 days and the highest intrinsic rate of increase “r” was 0.134 at 30 °C. As high temperatures affected positively biology of Z. sohrab, population of the leafhopper may reach higher densities and create further damage, particularly on second crop maize.
Pages : 401-406 | 1034 Views | 27 Downloads
How to cite this article:
Çetin Mutlu, Erdal Sertkaya. Biology of the leafhopper, Zyginidia sohrab Zachvatkin, on corn under laboratory conditions. J Entomol Zool Stud 2016;4(4):401-406.
Journal of Entomology and Zoology Studies
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