Development and reproduction of Adalia bipunctata (Coleoptera: Coccinellidae) on eggs of Ephestia kuehniella (Lepidoptera: Phycitidae) and pollen
Development and reproduction of Adalia bipunctata (Coleoptera: Coccinellidae) on eggs of Ephestia kuehniella (Lepidoptera: Phycitidae) and pollen
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DOI：
10.1002/ps.1111
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发表时间：
2005-11-01
影响因子：
4.1
通讯作者：
Deforce, K
中科院分区：
文献类型：
--
作者：
De Clercq, P;Bonte, M;Deforce, K
由于越来越多的批评使用非土著瓢虫，两点瓢虫，Adalia bipunctata（L.），在欧洲，蚜虫生物防治受到越来越多的关注。在目前的研究中，地中海面粉蛾，Ephestia kuehniella Zeller的卵，无论是否补充蜂花粉，作为一个方便的食物，幼虫和成虫的A。二点的用豌豆蚜Acyrthosiphon pisum（Harris）饲养的幼虫发育速度和存活率均低于用E.库尼氏卵E.库尼氏菌的发育特性上级优于粉蛾冻卵，但其它发育特性相似。成年人A。bipunctata在Ac.豌豆的繁殖力只有辐照或冷冻E. Kuehniella卵，但在活蚜虫上的卵孵化明显好于在粉蛾卵上的卵孵化（分别为61%对20- 27%）。然而，当面粉蛾卵的饮食补充冷冻湿蜂花粉，卵孵化的A。bipunctata与活蚜虫一样好。用干花粉补充粉蛾卵没有产生令人满意的结果。只有10%的幼虫达到成年的湿蜂花粉单独和所得的成人重量不到一半的面粉蛾卵。结果表明，A. bipunctata能够通过补充花粉来补偿动物猎物的次优饮食。它的结论是pollinivory可能是一个至关重要的特点，饲养这种天敌和它的使用在生物控制方案。(c)2005化学工业协会。
Due to growing criticism over the use of non-indigenous coccinellids, the two-spot ladybird, Adalia bipunctata (L.), has enjoyed increasing attention for aphid biocontrol in Europe. In the current study, eggs of the Mediterranean flour moth, Ephestia kuehniella Zeller, whether or not supplemented with bee pollen, were evaluated as a factitious food for larvae and adults of A. bipunctata. The predator showed slower larval development and lower survival when reared on live pea aphids, Acyrthosiphon pisum (Harris), than on E. kuehniella eggs. Survival on gamma-irradiated eggs of E. kuehniella was superior to that on frozen flour moth eggs, but other developmental characteristics were similar. Adults of A. bipunctata reared on Ac. pisum were only half as fecund as those offered irradiated or frozen E. kuehniella eggs, but egg hatch was markedly better on live aphids than on flour moth eggs (61 versus 20-27%, respectively). However, when a diet of flour moth eggs was supplemented with frozen moist bee pollen, egg hatch of A. bipunctata was equally as good as on live aphids. Supplementing flour moth eggs with dry pollen did not yield satisfactory results. Only 10% of larvae reached adulthood on moist bee pollen alone and resulting adults weighed less than half as much as those obtained on flour moth eggs. Our findings indicate that A. bipunctata is able to compensate for a suboptimal diet of animal prey by supplementary feeding on flower pollen. It is concluded that pollinivory may be a crucial trait for both the rearing of this natural enemy and its use in biological control programmes. (c) 2005 Society of Chemical Industry.