tailieunhanh - Effect of temperature on the life cycle and predatory capacity of ladybird beetle Micraspis Discolor Fabricius (Coleoptera: Coccinellidae)

The effects of temperature on the development and the predatory capacity of Micraspis discolor larvae were studied in laboratory. Two temperature levels °C and on average, were used to assess the life cycle and developmental stages of the ladybird beetle M. discolor. The life cycle of M. discolor was days at °C and reduced to days at °C, the total larval period was and days, respectively. The pre-oviposition period of the ladybird beetle M. discolor was days at °C and days at °C. The female beetles laid 282 eggs and the hatching percentage of egg was at °C and 179 eggs and the hatching percentage of egg was at °C. At temperature °C and °C, the pupal periods were and days, respectively. | Effect of temperature on the life cycle and predatory capacity of ladybird beetle Micraspis Discolor Fabricius (Coleoptera: Coccinellidae)

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