Year: 2014 | Month: December | Volume 7 | Issue 4
Biology of the papaya mealybug, paracoccus marginatus williams and granara de willink (Hemiptera: pseudococcidae)
Abstract:
The mealybug Paracoccus marginatus Williams and Granara de Willink completed 11generation in a year, 8 during March to October and 3 during November to February. The female and male nymphs completed development in 12.02 ± 4.44 to 17.92± 3.49 and 17.2 ± 3.00 to 21.25± 3.12 days respectively at during March to October, 21.59 ± 3.32 to 22.60 ± 4.49 and 22.81± 3.41 to 30.77 ± 2.38 days respectively during winter. The male and female ratio ranged from 1:1.20 to 1:3.41. Maximum oviposition period, minimum fecundity and maximum incubation period are 9 to 18, 108-154 and 9 days respectively in winter. Their mode of reproduction is entirely sexually. Life cycle is completed in 41 (maximum) and 27 (minimum) days during December- January and May respectively.
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