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为进一步了解沟眶象生物生态学特性,在室内自然变温条件下,对其发育起点温度和有效积温进行测定,并得出相应各虫态的历期预测式。结果表明:沟眶象卵(egg)、幼虫(larval)、蛹(pupae)发育起点温度分别为8.84、15.37、5.95℃,各发育期有效积温分别为190.50、667.06、322.50℃·d。沟眶象各虫态历期预测式分别为:Negg=(190.50±27.81)/T-(8.84±0.66),Nlarval=(667.06±92.29)/T-(15.37±1.4),Npupae=(322.50±32.37)/T-(5.95±1.63)。经林间验证,各预测式在沟眶象卵期、蛹期较为可行,幼虫期虽有一定偏差,但可以为预测预报提供指导。
In order to further understand the biological characteristics of orbital orbital creatures, under the conditions of natural indoor temperature, the developmental starting point temperature and effective accumulated temperature were measured, and the corresponding predictions of the corresponding insect states were obtained. The results showed that the starting temperature of development of eggs, larval and pupae was 8.84, 15.37 and 5.95 ℃, respectively. The effective accumulated temperature of each developmental stage was 190.50, 667.06 and 322.50 ℃ · d, respectively. The predictive formulas of the orbital orbital stages were Negg = (190.50 ± 27.81) / T- (8.84 ± 0.66), Nlarval = (667.06 ± 92.29) / T- (15.37 ± 1.4), Npupae = (322.50 ± 32.37) / T- (5.95 ± 1.63). According to the results of inter-forest validation, all the predictive equations are feasible in orbital egg stage and pupal stage. Although the larval stage has certain deviation, it can provide guidance for forecasting and forecasting.