Ability for<i>Aedes albopictus</i>(Diptera: Culicidae) to Survive at the Climatic Limits of Its Potential Range in Eastern Australia

Nicholson, Jay; Ritchie, Scott A.; Russell, Richard C.; Zalucki, Myron P.; Hurk, Andrew F. van den

doi:10.1603/me14079

Cited by 16 publications

(15 citation statements)

References 43 publications

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“…albopictus in recently introduced regions within Australasia is lacking (especially for New Guinea, the Solomon Islands, Fiji and Nauru). Within the Torres Strait Islands it appears the population is of tropical, Indonesian origin and egg survival was lower in less humid conditions [77], supporting this conclusion. However, it is worth noting that there are multiple other COI haplotypes that do not conform to any obvious geographic patterns (S6 Fig), suggesting that there have been multiple introduction events into some locations from mainland Asia or potentially unsampled locations—a similar pattern which was also highlighted by other studies [9, 74].…”

Section: Discussionmentioning

confidence: 79%

“…albopictus into the region, as well as in more recent collections from Poruma and Iama. The dramatic wet-dry climate in the Torres Strait [77, 84], intense spraying efforts and refocusing of control efforts (see S1 File, Supplementary Discussion: Control and surveying on the Torres Strait Islands; and [27, 28]) could explain population bottlenecks on certain islands and the differing genetic trajectories of the islands. Additionally, initial founder effects (resulting from small invading populations) could have played a strong role in the pattern of genetic drift on the various islands.…”

Section: Discussionmentioning

confidence: 99%

“…Additionally, initial founder effects (resulting from small invading populations) could have played a strong role in the pattern of genetic drift on the various islands. Laboratory experiments by Nicholson, Ritchie [77] showed that hotter, dryer conditions significantly reduced egg viability in Ae . albopictus from Masig Is.…”

Section: Discussionmentioning

confidence: 99%

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Tiger on the prowl: Invasion history and spatio-temporal genetic structure of the Asian tiger mosquito Aedes albopictus (Skuse 1894) in the Indo-Pacific

Maynard

Ambrose

Cooper³

et al. 2017

PLoS Negl Trop Dis

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BackgroundWithin the last century, increases in human movement and globalization of trade have facilitated the establishment of several highly invasive mosquito species in new geographic locations with concurrent major environmental, economic and health consequences. The Asian tiger mosquito, Aedes albopictus, is an extremely invasive and aggressive daytime-biting mosquito that is a major public health threat throughout its expanding range.Methodology/Principal findingsWe used 13 nuclear microsatellite loci (on 911 individuals) and mitochondrial COI sequences to gain a better understanding of the historical and contemporary movements of Ae. albopictus in the Indo-Pacific region and to characterize its population structure. Approximate Bayesian computation (ABC) was employed to test competing historical routes of invasion of Ae. albopictus within the Southeast (SE) Asian/Australasian region. Our ABC results show that Ae. albopictus was most likely introduced to New Guinea via mainland Southeast Asia, before colonizing the Solomon Islands via either Papua New Guinea or SE Asia. The analysis also supported that the recent incursion into northern Australia’s Torres Strait Islands was seeded chiefly from Indonesia. For the first time documented in this invasive species, we provide evidence of a recently colonized population (the Torres Strait Islands) that has undergone rapid temporal changes in its genetic makeup, which could be the result of genetic drift or represent a secondary invasion from an unknown source.Conclusions/SignificanceThere appears to be high spatial genetic structure and high gene flow between some geographically distant populations. The species' genetic structure in the region tends to favour a dispersal pattern driven mostly by human movements. Importantly, this study provides a more widespread sampling distribution of the species’ native range, revealing more spatial population structure than previously shown. Additionally, we present the most probable invasion history of this species in the Australasian region using ABC analysis.

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Section: Discussionmentioning

confidence: 79%

Section: Discussionmentioning

confidence: 99%

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Tiger on the prowl: Invasion history and spatio-temporal genetic structure of the Asian tiger mosquito Aedes albopictus (Skuse 1894) in the Indo-Pacific

Maynard

Ambrose

Cooper³

et al. 2017

PLoS Negl Trop Dis

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“…Aedes albopictus (Skuse) is knocking on the door (Nicholson et al . ), as is old world screw worm fly, Chrysomya bezziana (Villeneuve) (Sutherst et al . ), Asian gypsy moth, Lymantria dispar (L.) (Matsuki et al .…”

Section: Act 3: Epilogue or Looking To The Futurementioning

confidence: 99%

From natural history to continental scale perspectives: an overview of contributions by Australian entomologists to applied ecology - a play in three acts

Zalucki

2015

Austral Entomology

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Act 1 -prequel: From the first European settlement to the formation of the Australian Entomological Society, much of Australian entomology was driven by the need to understand and manage a raft of indigenous and invasive pest insect species. This very applied imperative influenced how people approached ecology, which tended to be very much autecological: species focused questions addressing the distribution and abundance of the organism. Not surprisingly that applied focus continued after the formation of the society in 1964, which marks the beginning of Act 2 -The last 50 years. Here I focus in part on what has been published in the flagship journal of the society since its inception and analyse the trends that are evident. The emphasis on basic biology is reflected in the publication trends in the society's journal. I use some of the key native and imported pests -locusts, Helicoverpa, Queensland fruit flies, sugar cane-feeding scarabs, diamondback moth -to illustrate how ecological thinking has developed. There were some Australian giants in the field of population ecology, and their public disagreements continue to reverberate. But there have been many notable contributions by lesser mortals, if only students and their mentors would read and cite appropriately! One can only allude to the encore, or Act 3 -the sequel or the next 25-50 years. The thinking of Australian entomologists continues to be at the forefront of spatial ecology, perhaps reflecting the scale at which fieldwork is undertaken in Australia. Other younger members of the society will no doubt write the epitaph and obituaries of the current crop of researchers and judge their contributions accordingly. ACT 1: BACK TO THE BEGINNINGAustralian aborigines no doubt had an intimate local knowledge of the natural history, host relations, habitat requirements and seasonal phenology of the insects they utilised, e.g. cossid moth larvae (witjuti or witchetty grubs) associated with the roots of Acacia ligulata (Tindale 1953), the nesting habitats of *m.zalucki@uq.edu.au bs_bs_banner Austral Entomology (2015) 54, 231-245

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“…albopictus [25, 32]. Receptivity is considered to be increasing [33, 34], partly due to the recent proliferation of water-storage containers, such as rainwater tanks [35]. In the future, ineffective mosquito-proofing of rainwater tanks or rainwater harvesting structures may increase the number of available larval habitats [36–38].…”

Section: Introductionmentioning

confidence: 99%

Rapid Surveillance for Vector Presence (RSVP): Development of a novel system for detecting Aedes aegypti and Aedes albopictus

Montgomery¹,

Shivas²,

Hall‐Mendelin³

et al. 2017

PLoS Negl Trop Dis

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BackgroundThe globally important Zika, dengue and chikungunya viruses are primarily transmitted by the invasive mosquitoes, Aedes aegypti and Aedes albopictus. In Australia, there is an increasing risk that these species may invade highly urbanized regions and trigger outbreaks. We describe the development of a Rapid Surveillance for Vector Presence (RSVP) system to expedite presence- absence surveys for both species.Methodology/Principal findingsWe developed a methodology that uses molecular assays to efficiently screen pooled ovitrap (egg trap) samples for traces of target species ribosomal RNA. Firstly, specific real-time reverse transcription-polymerase chain reaction (RT-PCR) assays were developed which detect a single Ae. aegypti or Ae. albopictus first instar larva in samples containing 4,999 and 999 non-target mosquitoes, respectively. ImageJ software was evaluated as an automated egg counting tool using ovitrap collections obtained from Brisbane, Australia. Qualitative assessment of ovistrips was required prior to automation because ImageJ did not differentiate between Aedes eggs and other objects or contaminants on 44.5% of ovistrips assessed, thus compromising the accuracy of egg counts. As a proof of concept, the RSVP was evaluated in Brisbane, Rockhampton and Goomeri, locations where Ae. aegypti is considered absent, present, and at the margin of its range, respectively. In Brisbane, Ae. aegypti was not detected in 25 pools formed from 477 ovitraps, comprising ≈ 54,300 eggs. In Rockhampton, Ae. aegypti was detected in 4/6 pools derived from 45 ovitraps, comprising ≈ 1,700 eggs. In Goomeri, Ae. aegypti was detected in 5/8 pools derived from 62 ovitraps, comprising ≈ 4,200 eggs.Conclusions/SignificanceRSVP can rapidly detect nucleic acids from low numbers of target species within large samples of endemic species aggregated from multiple ovitraps. This screening capability facilitates deployment of ovitrap configurations of varying spatial scales, from a single residential block to entire suburbs or towns. RSVP is a powerful tool for surveillance of invasive Aedes spp., validation of species eradication and quality assurance for vector control operations implemented during disease outbreaks.

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Ability forAedes albopictus(Diptera: Culicidae) to Survive at the Climatic Limits of Its Potential Range in Eastern Australia

Cited by 16 publications

References 43 publications

Tiger on the prowl: Invasion history and spatio-temporal genetic structure of the Asian tiger mosquito Aedes albopictus (Skuse 1894) in the Indo-Pacific

Tiger on the prowl: Invasion history and spatio-temporal genetic structure of the Asian tiger mosquito Aedes albopictus (Skuse 1894) in the Indo-Pacific

From natural history to continental scale perspectives: an overview of contributions by Australian entomologists to applied ecology - a play in three acts

Rapid Surveillance for Vector Presence (RSVP): Development of a novel system for detecting Aedes aegypti and Aedes albopictus

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