Ant-herbivore interactions in an extrafloral nectaried plant: are ants good plant guards against curculionid beetles?

被引：23

作者：

Alves-Silva, Estevao ^{[1
,2
]}

Baechtold, Alexandra ^{[3
]}

Baronio, Gudryan Jackson ^{[1
]}

Torezan-Silingardi, Helena Maura ^{[1
]}

Del-Claro, Kleber ^{[1
]}

机构：

[1] Univ Fed Uberlandia, Inst Biol, BR-38400 Uberlandia, MG, Brazil

[2] Tech Univ Darmstadt, Fachbereich Biol, Darmstadt, Germany

[3] Univ Sao Paulo, Programa Posgrad Entomol, FFCLRP, Sao Paulo, Brazil

来源：

JOURNAL OF NATURAL HISTORY | 2015年 / 49卷 / 13-14期

基金：

巴西圣保罗研究基金会;

关键词：

Anthonomus; Banisteriopsis; Cerrado; extrafloral nectary; Camponotus blandus; BANISTERIOPSIS-MALIFOLIA MALPIGHIACEAE; HYMENOPTERA VESPIDAE; COMMUNITY STRUCTURE; BRAZILIAN SAVANNA; INSECT HERBIVORES; TROPICAL SAVANNA; VISITING ANTS; MUTUALISM; PROTECTION; BEHAVIOR;

D O I：

10.1080/00222933.2014.954020

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

Extrafloral nectary drinking ants are known as effective plant guards, but some herbivores may circumvent ant attacks by foraging on different plant parts or presenting adaptations to avoid ant predation. Here we experimentally investigated the effect of Camponotus blandus on the florivory of the extrafloral nectaried shrub Banisteriopsis malifolia; and a possible spatial segregation between ants and herbivores (leaves and flowers). Flower buds are attacked by Anthonomus weevils. Results revealed no significant influence of C.blandus on the reduction of florivory. Adult Anthonomus are hard-bodied and were immune to ant bites; larvae are endophytic, so protected from ants. Ants and adult beetles were concentrated in different plant parts (leaves and flowers, respectively) so restraining the probability of encounters. Our results indicate that the system C. blandus-Anthonomus-B.malifolia is not stable, as ants receive extrafloral nectar, but are unable to protect the plant against weevils.

引用

页码：841 / 851

页数：11

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