THERMAL REQUIREMENTS FOR DEVELOPMENT OF COLEOMEGILLA MACULATA (COLEOPTERA: COCCINELLIDAE) AND ITS PARASITE PERILITUS COCCINELLAE (HYMENOPTERA: BRANCONIDAE)

被引:50
作者
OBRYCKI, JJ [1 ]
TAUBER, MJ [1 ]
机构
[1] Cornell Univ, Dept Entomol, Ithaca, NY 14853 USA
关键词
D O I
10.4039/Ent110407-4
中图分类号
Q96 [昆虫学];
学科分类号
摘要
The optimum temperature rabge for development and survival of the predacious coccinellid Colemegilla maculata and its parasite Perilitus coccinellae is 24 degrees to 26.7 degrees C. Theoretical thresholds for development (t) of the pre-imaginal stages of C. maculata range from 9 degrees to 13 degrees C. Total development (from oviposition to adult emergence) of the beetle requires an accumulation of 236 heat degree days (K) above 11.3 degrees C (t), whereas the development of P. coccinellae requires 395 heat gegree days (K) above 9.8 degrees C (t). To predict the seasonal interaction between C. maculata and P. coccinellae, and to manage C. maculata efficiently as a biological control agent, it is vital to know the thermal and dietary requirements of the two species.
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页码:407 / 412
页数:6
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