Analysis of the Developmental and Ovipositional Characteristics for Interior Mass-Rearing of Gampsocleis ussuriensis Adelung
2019
Lim, J.R., Jeollabuk-do Agricultural Research and Extension Services, Buan, Republic of Korea | Moon, H.C., Jeollabuk-do Agricultural Research and Extension Services, Buan, Republic of Korea | Park, N.Y., Jeollabuk-do Agricultural Research and Extension Services, Buan, Republic of Korea | Lee, S.S., Jeollabuk-do Agricultural Research and Extension Services, Buan, Republic of Korea
From 2017 to 2019, the ovipositional and the developmental characteristics of Gampsocleis ussuriensis Adelung in the Buan area of Jeonbuk Province were examined. G. ussuriensis were mostly found in the weeded areas around the reservoir, where the adults first appeared in mid-July, showed up where by the early September, and overwintered in eggs. Nymphs appeared in early April to mid-July the next year. The nymphs hatched from early April and adults appeared after molting five times. The ovipositional period of G. ussuriensis was approximately 58 days. The total number of eggs per female was 124. The mean longevity of adults was 95.6 days for females and 84.8 days for males. Ovipositional mats were best with mixed Masato and Coco-Pitt at a ratio of 7:3. Developmental period of G. ussuriensis nymphs was 64.1 days at 24°C and was longer than at different temperatures. The higher the temperature, the shorter the developmental period. The survival rate of nymphs was the best at 32°C in 77.8%. The higher the density while rearing, the lower the survival rate, and the faster the development and molting velocity.
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