The correct application of the scientific names of species is neither easy nor trivial. Mistakes can lead to the wrong interpretation of research results or, when pest species are involved, inappropriate regulations and limits on trade, and possibly quarantine failures that permit the invasion of new pest species. Names are particularly challenging to manage when groups of organisms encompass a large number of species, when different workers employ different philosophical views, or when species are in a state of taxonomic flux. The fruit fly tribe Dacini is a species-rich taxon within Tephritidae and contains around a fifth of all known species in the family. About 10% of the 932 currently recognized species are pests of commercial fruits and vegetables, precipitating quarantines and trade embargos. Authoritative species lists consist largely of scattered regional treatments and outdated online resources. The checklist presented here is the first global overview of valid species names for the Dacini in almost two decades, and includes new lure records. By publishing this list both in paper and digitally, we aim to provide a resource for those studying fruit flies as well as researchers studying components of their impact on agriculture. The list is largely a consolidation of previous works, but following the results from recent phylogenetic work, we transfer one subgenus and eight species to different genera: members of the Bactrocera subgenus Javadacus Hardy, considered to belong to the Zeugodacus group of subgenera, are transferred to genus Zeugodacus; Bactrocera pseudocucurbitae White, 1999, stat. rev., is transferred back to Bactrocera from Zeugodacus; Zeugodacus arisanicus Shiraki, 1933, stat. rev., is transferred back to Zeugodacus from Bactrocera; and Z. brevipunctatus (David & Hancock, 2017), comb. n.; Z. javanensis (Perkins, 1938), comb. n.; Z. montanus (Hardy, 1983), comb. n.; Z. papuaensis (Malloch, 1939), comb. n.; Z. scutellarius (Bezzi, 1916), comb. n.; Z. semisurstyli (Drew & Romig, 2013), comb. n.; and Z. trilineatus (Hardy, 1955), comb. n. are transferred from Bactrocera to Zeugodacus.

https://zookeys.pensoft.net/lib/ajax_srv/article_elements_srv.php?action=download_pdf&item_id=21786

A global checklist of the 932 fruit fly species in the tribe Dacini (Diptera, Tephritidae)

The Dipteran family Tephritidae (true fruit flies) comprises more than 5000 species classified in 500 genera distributed worldwide. Tephritidae include devastating agricultural pests and highly invasive species whose spread is currently facilitated by globalization, international trade and human mobility. The ability to identify and exploit a wide range of host plants for oviposition, as well as effective and diversified reproductive strategies, are among the key features supporting tephritid biological success. Intraspecific communication involves the exchange of a complex set of sensory cues that are species- and sex-specific. Chemical signals, which are standing out in tephritid communication, comprise long-distance pheromones emitted by one or both sexes, cuticular hydrocarbons with limited volatility deposited on the surrounding substrate or on the insect body regulating medium- to short-distance communication, and host-marking compounds deposited on the fruit after oviposition. In this review, the current knowledge on tephritid chemical communication was analysed with a special emphasis on fruit fly pest species belonging to the Anastrepha, Bactrocera, Ceratitis, Rhagoletis and Zeugodacus genera. The multidisciplinary approaches adopted for characterising tephritid semiochemicals, and the real-world applications and challenges for Integrated Pest Management (IPM) and biological control strategies are critically discussed. Future perspectives for targeted research on fruit fly chemical communication are highlighted.

Tephritid Fruit Fly Semiochemicals: Current Knowledge and Future Perspectives.

Incongruence between molecules and morphology: A seven-gene phylogeny of Dacini fruit flies paves the way for reclassification (Diptera: Tephritidae).

http://manuscript.elsevier.com/S105579032200094X/pdf/S105579032200094X.pdf

A comprehensive phylogeny helps clarify the evolutionary history of host breadth and lure response in the Australian Dacini fruit flies (Diptera: Tephritidae).

https://repository.kulib.kyoto-u.ac.jp/dspace/bitstream/2433/235528/1/j.bse.2018.10.002.pdf

Floral synomone diversification of Bulbophyllum sibling species (Orchidaceae) in attracting fruit fly pollinators

Male fruit fly attractants – cue-lure and methyl eugenol (ME) – have been used successfully for decades in the monitoring and control of species of Dacini (Dacinae) fruit flies (Bactrocera, Zeugodacus and Dacus). However, many species, including several pests, are non-responsive to these lures. Field tests of new compounds are therefore worthwhile, particularly in areas of high species diversity where multiple species attractions can provide additional information on lure function. Recent field tests of new male attractants (isoeugenol, dihydroeugenol, methyl-isoeugenol and zingerone) and food- and host-based lures (cucumber volatile blend and Cera Trap®) in Australia resulted in discoveries of lure responses for ‘non-responsive’ species. In this study, these new lures were field tested for the first time in Papua New Guinea (PNG) for attractiveness to ‘non-responsive’ species, including the guava pest Bactrocera obliqua and cucurbit pests Zeugodacus atrisetosus and Z. decipiens. Testing was conducted in the National Capital District (NCD) and Kerevat on the island province of East New Britain. Of the ‘non-responsive’ pest species, B. obliqua was trapped three times at isoeugenol and once at methyl-isoeugenol. This is the first record of B. obliqua responding to male lures. Zeugodacus decipiens was significantly attracted to Cera Trap. Five undescribed species responded to zingerone and one to the eugenol analogues. The ME-responsive B. musae and B. umbrosa responded differently to the three eugenol analogues in Kerevat and NCD, with both species responding more strongly to methyl-isoeugenol in NCD, although their response to ME was similar in both locations. Intraspecific differences in lure response were also noted between this study and that recorded previously in other countries. The cue-responsive B. frauenfeldi, B. neohumeralis and Dacus axanus were previously trapped at zingerone in Australia, and the ME-responsive B. dorsalis was trapped at zingerone in Malaysia, but these species, while caught at their respective lures, were not recorded at zingerone in this study. The findings from this study have implications for quarantine monitoring for the ‘non-responsive’ B. obliqua and Z. decipiens in Australia, highlight that there may be intraspecific variation in male lure response and provide further information on these novel male lures' activity.

https://onlinelibrary.wiley.com/doi/pdf/10.1111/aen.12269

Responses of fruit flies (Diptera: Tephritidae) to new attractants in Papua New Guinea

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Responses of fruit flies (Diptera: Tephritidae) to new attractants in Papua New Guinea