Recognition of aphid parasitoids by honeydew-collecting ants: The role of cuticular lipids in a chemical mimicry system

Liepert, Caroline; Dettner, Konrad

doi:10.1007/bf00979653

Cited by 56 publications

(31 citation statements)

References 17 publications

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“…was significantly less abundant in the orchard PP in the ant-allowed treatment. Völkl (1992) and Liepert and Dettner (1993) showed that ants attacked and killed Trioxys angelicae (Hymenoptera: Braconidae) while ignored Lysiphlebus cardui Marshall (Hymenoptera:…”

Section: Abundance Of Predators and Parasitoidsmentioning

confidence: 99%

Ants in citrus: impact on the abundance, species richness, diversity and community structure of predators and parasitoids

Calabuig

Garcia‐Marí

Pekas

2015

Agriculture, Ecosystems & Environment

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Although ants act as plant biotic defences, in agricultural ecosystems they are often associated with outbreaks of honeydew-producing pests mainly due to the protection they offer to the plant feeders in exchange for honeydew. In such an interaction ants may alter the abundance, diversity and community structure of predators and parasitoids. In the present study, we conducted ant-exclusion experiments in three commercial citrus orchards, each one dominated by one ant species (Pheidole pallidula, Lasius grandis or Linepithema humile) during two consecutive years (2011 and 2012). We then compared the abundance, species richness, diversity and community structure of predators and parasitoids between the antallowed and ant-excluded treatments. A total of 176,000 arthropods belonging to 81 taxa were captured and identified. Regarding abundance, our results showed a species specific response between treatments. When examining functional groups, in the ant-allowed treatment, seven species of predators decreased and four increased in abundance, whereas four species of parasitoids decreased and 18 increased in abundance. The species richness (S) was significantly lower for predators and higher for parasitoids in the ant-allowed treatment. The Shannon diversity index (H) was not different between treatments in the case of predators, whereas in the case of parasitoids diversity was significantly higher in the antallowed treatment. Finally, the community structure of predators and parasitoids was not significantly different between treatments. These results suggest that ants in the citrus agroecosystem are not associated with a dramatic decrease in natural enemy abundance or biodiversity; on the contrary ants were associated with increased parasitoid species richness and diversity. Despite the fact that ants have no negative impact on the abundance and diversity of predators and parasitoids at the community level their impact on specific natural enemy species, mainly predators, may explain the highest pest densities associated with ants in citrus.

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Section: Abundance Of Predators and Parasitoidsmentioning

confidence: 99%

Ants in citrus: impact on the abundance, species richness, diversity and community structure of predators and parasitoids

Calabuig

Garcia‐Marí

Pekas

2015

Agriculture, Ecosystems & Environment

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“…In compensation, ants also prey upon a range of hyperparasitoids (Sullivan & Völk 1999). Some parasites are able to lure the ants by chemical mimicry of their attended aphids (Liepert & Dettner 1993). Most of the dominant ants that tend 'Homoptera' are also generalist predators and have a strong effect on the different strata of the biota (Way & Khoo 1992).…”

Section: Delabiementioning

confidence: 99%

Trophobiosis Between Formicidae and Hemiptera (Sternorrhyncha and Auchenorrhyncha): an Overview

Delabie¹

2001

Neotrop. Entomol.

253

246

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Trofobiose Entre Formicidae e Hemiptera (Sternorrhyncha e Auchenorrhyncha):Uma Visão Geral RESUMO -Fêz-se uma revisão sobre a relação conhecida como trofobiose e que ocorre de forma convergente entre formigas e diferentes grupos de Hemiptera Sternorrhyncha e Auchenorrhyncha (até então conhecidos como 'Homoptera'). As principais características dos 'Homoptera' e dos Formicidae que favorecem as interações trofobióticas, tais como a excreção de honeydew por insetos sugadores, atendimento por formigas e necessidades fisiológicas dos dois grupos de insetos, são discutidas. Aspectos da sua evolução convergente são apresentados. O sistema mais arcaico não é exatamente trofobiótico, as forrageadoras coletam o honeydew despejado ao acaso na folhagem por indivíduos ou grupos de 'Homoptera' não associados. As relações trofobióticas mais comuns são facultativas, no entanto, esta forma de mutualismo é extremamente diversificada e é responsável por numerosas adaptações fisiológicas, morfológicas ou comportamentais entre os 'Homoptera', em particular Sternorrhyncha. As trofobioses mais diferenciadas são verdadeiras simbioses onde as adaptações mais extremas são observadas do lado dos 'Homoptera'. Ao mesmo tempo, as formigas mostram adaptações comportamentais que resultam de um longo período de coevolução. Considerando-se os insetos sugadores como principais pragas dos cultivos em nível mundial, as implicações das relações trofobióticas são discutidas no contexto das comunidades de insetos em geral, focalizando os problemas que geram em Manejo Integrado de Pragas (MIP), em particular. PALAVRAS-CHAVE:Relações insetos/insetos, relações plantas/insetos, mutualismo, coevolução.ABSTRACT -In this paper, the mutualistic relationship known as trophobiosis, which occurs convergently between ants and several groups of Hemiptera Sternorrhyncha and Auchenorrhyncha (formerly 'Homoptera') is reviewed. The main characteristics of 'Homoptera' and Formicidae which favor trophobiotic interactions, such as honeydew excretion by sapsucking insects, ant attendance and physiological needs of both insects groups, are discussed. Aspects of the convergent evolution are presented. The most archaic system is not trophobiotic per se, foragers collect the honeydew casually expelled on the foliage by individuals or groups of non-associated 'Homoptera'. The commonest trophobiotic relationships are facultative; therefore, this form of mutualism is extremely diversified and is responsible for a range of physiological, morphological and behavioral adaptations by the 'Homoptera', mainly Sternorrhyncha. The more differentiated trophobioses are true symbioses where the most extreme changes can be observed on the 'Homoptera' side. Meanwhile, the ants show mainly behavioral adaptations resulting from a long coevolutive process. Considering the situation of sap-sucking insects as main crop pests worldwide, implications of trophobiotic relationships are discussed in the context of insect communities, in general, and on the problems that imply to Integrated Pest Manage...

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“…(Vander Meer & Wojcik 1982). Currently chemical camouflage by myrmecophiles is a well known phenomenon (Howard 1993;Liepert & Dettner 1993;Dettner & Liepert 1994;Howard & Akre 1995;Vander Meer & Morel 1998). However, it is still controversial how the myrmecophiles imitate the hydrocarbon profile of the host ants.…”

Section: Discussionmentioning

confidence: 99%

Chemical camouflage by myrmecophilous beetles Zyras comes (Coleoptera: Staphylinidae) and Diaritiger fossulatus (Coleoptera: Pselaphidae) to be integrated into the nest of Lasius fuliginosus (Hymenoptera: Formicidae)

Akino

2002

Chemoecology

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The myrmecophilous beetles, Zyras comes (Staphylinidae) and Diaritiger fossulatus (Pselaphidae) are guests of the black shining ant Lasius fuliginosus. Host worker ants never attacked these beetles, and often gave regurgitant to Z. comes following tactile communication with the beetle. By contrast, the workers from colonies without the myrmecophiles showed hostile responses towards Z. comes before tactile contact, but were not aware of D. fossulatus until contact. In L. fuliginosus, workers within a colony shared profiles, but the profiles differed among colonies. GC analyses showed that both Z. comes and D. fossulatus beetles had the same hydrocarbons as L. fuliginosus, and the profiles were more similar to those of the host colony workers than the foreign workers. Both Z. comes and D. fossulatus appear to imitate the hydrocarbon profile of their host workers, allowing integrating into the host nest. A Y-maze bioassay indicated that Z. comes can follow the trail pheromone of L. fuliginosus. This suggests that Z. comes may detect other chemical signals of L. fuliginosus to keep closer interactions with the workers.

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Recognition of aphid parasitoids by honeydew-collecting ants: The role of cuticular lipids in a chemical mimicry system

Cited by 56 publications

References 17 publications

Ants in citrus: impact on the abundance, species richness, diversity and community structure of predators and parasitoids

Ants in citrus: impact on the abundance, species richness, diversity and community structure of predators and parasitoids

Trophobiosis Between Formicidae and Hemiptera (Sternorrhyncha and Auchenorrhyncha): an Overview

Chemical camouflage by myrmecophilous beetles Zyras comes (Coleoptera: Staphylinidae) and Diaritiger fossulatus (Coleoptera: Pselaphidae) to be integrated into the nest of Lasius fuliginosus (Hymenoptera: Formicidae)

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