The alternation of mutualistic ant species affects the population growth of their trophobiont mealybug
The alternation of mutualistic ant species affects the population growth of their trophobiont mealybug
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互惠蚂蚁物种的交替影响其营养生物粉虱的种群增长
DOI：
10.1111/j.1600-0587.1999.tb00465.x
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发表时间：
1999
期刊：
影响因子：
5.9
通讯作者：
Tamiji Inoue
中科院分区：
文献类型：
--
作者：
T. Itioka;Tamiji Inoue
许多种生产蜜露的同翅目昆虫与蚂蚁有着互惠关系，蚂蚁保护它们免受天敌的攻击，以换取蜜露。在许多这种共生关系的例子中，一个特定的食蚁类可以与一系列互惠共生的蚂蚁物种联系在一起。我们研究了两种蚂蚁，黑尼日尔和刺蚁的交替的影响。它们都是柑橘粉蚧Pseudococcus citriculus的互惠伙伴，对它们的滋养体粉蚧的种群增长有影响。粉蚧种群的增长率显着高于任何蚂蚁物种的出席比没有它全年。然而，在野外，粉蚧种群在树木上显着更大，其中L。尼日尔菌群在树上的领地比恶臭疫霉菌群在树上的领地要大。当参与的蚂蚁种类由L.尼日尔对P.pungens的粉蚧种群数量显著下降。尼加拉瓜人权委员会继续出席会议。相反，粉蚧种群数量随着从P.pungens到L.尼日尔.这些结果表明，粉蚧。L.与P.pungctis相比，尼日尔是一种更有效的互惠伙伴。这种差异是由于两种蚂蚁的攻击行为不同。在天敌的人工模型下，参与蚂蚁的行为反应比天敌的攻击性强。比P. pungens中的尼日尔。这两种蚂蚁的领地是完全分开的，偶尔会观察到一种蚂蚁的领地被另一种蚂蚁占领。这些事实表明，两种蚂蚁之间的种间竞争是决定两种蚂蚁空间分布的一个重要因素。因此，我们得出结论，种间竞争的两种蚂蚁之间的间接影响人口增长的共同滋养粉蚧。
Many species of honeydew-producing Homopteran insects have Tniitualistic relationships with ants which defend them against their natural enemies in return for honeydew. In many cases of this type of mtitualism (trophobiosis), a particular honioplcran can associate with a range of mutualistic ant species. We studied the influence of alternation of two ant species, Lasius niger and Pristomyrmex pungens. both of which are mutualistic partners of the citrus mealybug Pseudococcus citriculus, on population growth of their trophobiont mealybug. The growth rate of the mealybug populaiion was significantly higher with attendance by either ant species than without it throughout the year. However, in the field, the mealybug population was significantly larger on trees where a L. niger colony made its territory than on trees where a P. putigens colony made its territory. When the attending ant species changed from L. niger to P. pungens, the mealybug population significantly decreased compared with the population that L. nigcr continued to attend. In contrast, the mealybug population increased following the reverse shift, from P. pungens to L. niger. These results indicate thai, for the mealybug. L. niger is a more effective mutualistic partner than P. pungctis. This deviation was due to a difference in attack behavior by ihc two ant species. Behavioral responses by attending ants to artificial models of natural enemies were more aggressive in L. niger than in P. pungens. The territories of the two ant species were completely separated, and territory takeovers of one ant species by the other were occasionally observed. These facts suggest that interspecific competition between the two ant species is an important factor in determining the spatial distribution of the two species. Thus, we conclude that interspecific competition between the two ant species indirectly affects the population growth of their common trophobiont mealybug.