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Synonymization of key pest species within the Bactrocera dorsalis species complex (Diptera: Tephritidae): taxonomic changes based on a review of 20 years of integrative morphological, molecular, cytogenetic, behavioural and chemoecological data


Citation

Schutze, Mark K. and Aketarawong, Nidchaya and Amornsak, Weerawan and Armstrong, Karen F. and Augustinos, Antonis A. and Barr, Norman and Wang, Bo and Bourtzis, Kostas and Boykin, Laura M. and Caceres, Carlos and Cameron, Stephen L. and Chapman, Toni A. and Chinvinijkul, Suksom and Chomic, Anastasija and Meyer, Marc De and Drosopoulou, Ellena and Englezou, Anna and Ekesi, Sunday and Papalexiou, Angeliki Gariou and Geib, Scott M. and Hailstones, Deborah and Hasanuzzaman, Mohammed and Haymer, David and Alvin, K. W. Hee and Hendrichs, Jorge and Jessup, Andrew and Qinge, Ji and Khamis, Fathiya M. and Krosch, Matthew N. and Leblanc, Luc and Mahmood, Khalid and Malacrida, Anna R. and Tsipidou, Pinelopi Mavragani and Mwatawala, Maulid and Nishida, Ritsuo and Ono, Hajime and Reyes, Jesus and Rubinoff, Daniel and Sanjose, Michael and Shelly, Todd E. and Srikachar, Sunyanee and Tan, Kengh and Thanaphum, Sujinda and Haq, Ihsan and Vijaysegaran, hanmugam and Wee, Suk L. and Yesmin, Farzana and Zacharopoulou, Antigone and Clarke, Anthony R. (2015) Synonymization of key pest species within the Bactrocera dorsalis species complex (Diptera: Tephritidae): taxonomic changes based on a review of 20 years of integrative morphological, molecular, cytogenetic, behavioural and chemoecological data. Systematic Entomology, 40 (2). pp. 456-471. ISSN 0307-6970; ESSN: 1365-3113

Abstract

Bactrocera papayae Drew & Hancock, Bactrocera philippinensis Drew & Hancock, Bactrocera carambolae Drew & Hancock, and Bactrocera invadens Drew, Tsuruta & White are four horticultural pest tephritid fruit fly species that are highly similar, morphologically and genetically, to the destructive pest, the Oriental fruit fly, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae). This similarity has rendered the discovery of reliable diagnostic characters problematic, which, in view of the economic importance of these taxa and the international trade implications, has resulted in ongoing difficulties for many areas of plant protection and food security. Consequently, a major international collaborative and integrated multidisciplinary research effort was initiated in 2009 to build upon existing literature with the specific aim of resolving biological species limits among B. papayae, B. philippinensis, B. carambolae, B. invadens and B. dorsalis to overcome constraints to pest management and international trade. Bactrocera philippinensis has recently been synonymized with B. papayae as a result of this initiative and this review corroborates that finding; however, the other names remain in use. While consistent characters have been found to reliably distinguish B. carambolae from B. dorsalis, B. invadens and B. papayae, no such characters have been found to differentiate the latter three putative species. We conclude that B. carambolae is a valid species and that the remaining taxa, B. dorsalis, B. invadens and B. papayae, represent the same species. Thus, we consider B. dorsalis (Hendel) as the senior synonym of B. papayae Drew and Hancock syn.n. and B. invadens Drew, Tsuruta & White syn.n. A redescription of B. dorsalis is provided. Given the agricultural importance of B. dorsalis, this taxonomic decision will have significant global plant biosecurity implications, affecting pest management, quarantine, international trade, postharvest treatment and basic research. Throughout the paper, we emphasize the value of independent and multidisciplinary tools in delimiting species, particularly in complicated cases involving morphologically cryptic taxa.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
DOI Number: https://doi.org/10.1111/syen.12113
Publisher: Wiley-Blackwell Publishing
Keywords: Bactrocera dorsalis; Molecular; Cytogenetic
Depositing User: Nida Hidayati Ghazali
Date Deposited: 27 Feb 2018 06:42
Last Modified: 27 Feb 2018 07:03
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1111/syen.12113
URI: http://psasir.upm.edu.my/id/eprint/46451
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