Chemical tools to distinguish the fire ant species Solenopsis invicta. and S. saevissima (Formicidae: Myrmicinae) in Southeast Brazil

被引：13

作者：

Dall'Aglio-Holvorcem, Christiane Goncalves ^{[1
]}

Benson, Woodruff W. ^{[1
]}

Gilbert, Lawrence E. ^{[2
,3
]}

Trager, James C. ^{[4
]}

Trigo, Jose Roberto ^{[1
]}

机构：

[1] Univ Estadual Campinas, Inst Biol, Dept Biol Anim, BR-13083970 Campinas, SP, Brazil

[2] Univ Texas Austin, Dept Zool, Austin, TX 78712 USA

[3] Univ Texas Austin, Brackenridge Field Lab, Austin, TX 78712 USA

[4] Shaw Nat Reserve, Gray Summit, MO 63039 USA

来源：

BIOCHEMICAL SYSTEMATICS AND ECOLOGY | 2009年 / 37卷 / 04期

基金：

巴西圣保罗研究基金会;

关键词：

Chemotaxonomy; Cuticular hydrocarbons; Geographic variation; Methyl-branched alkanes; Piperidine alkaloids; Venom; CUTICULAR HYDROCARBONS; BIOCHEMICAL EVOLUTION; VENOM ALKALOIDS; HYMENOPTERA; FLIES; IDENTIFICATION; PATTERNS;

D O I：

10.1016/j.bse.2009.05.017

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Morphologically similar fire ants Solenopsis invicta and Solenopsis saevissima are broadly sympatric in southeastern Brazil. Chemistry from venom (2,6-dialkyl piperidine alkaloids) and cuticular hydrocarbons have been reported as potentially important tools for differentiating Solenopsis species. We have analysed two chemical classes in widely separated populations of S. invicta and S. saevissima and find that both piperidine alkaloids and cuticular hydrocarbons separate the two species. Piperidine alkaloids clustered S. invicta but not S. saevissima. Cuticular hydrocarbons strongly clustered both S. invicta and S. saevissima. One population morphologically identified as S. invicta presented piperidine alkaloids and cuticular hydrocarbons markedly different from either species. The distinctive piperidine alkaloid differences among populations of S. saevissima and the marked difference in piperidine alkaloid and hydrocarbon profiles of the anomalous population of S. invicta suggest undescribed species fire ant in southeastern Brazil. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：442 / 451

页数：10

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