A forum for research on invasive exotics, non-native plants and animals

• Wilfred Reinhold

  What are experiences in your country in preventing the introduction of dangerous invasive mosquitoes, such as the tiger mosquito (Aedes albopictus)?

  The tiger mosquito (and other dangerous mosquitoes such as the dengue mosquito, Aedes aegypti) are being introduced in the Netherlands with the import of Lucky bamboo and used tires. The DutchThe tiger mosquito (and other dangerous mosquitoes such as the dengue mosquito, Aedes aegypti) are being introduced in the Netherlands with the import of Lucky bamboo and used tires. The Dutch government doesn't take measures to prevent the import of the mosquitoes, because they think such measures are not possible, feasible or effective. Is there regulation in your country, what kind of preventive measures have to be taken, and what are the experiences with these measures?

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    Peter Whelani replied

    The medical entomology (ME) team of the Northern Territory (NT) Department of Health in Australia has an exotic mosquito detection program. THe NT is one of the few receptive areas in the tropicsThe medical entomology (ME) team of the Northern Territory (NT) Department of Health in Australia has an exotic mosquito detection program. THe NT is one of the few receptive areas in the tropics free of the dengue mosquitoes by active surveilance and elimination procedures. We use ovitraps , EVS adult mosquto traps, BG traps and receptacle surveys in all major towns ,and periodic inspecions of minor town in all of our territory. At ports and airports we complement Commonwealth of Australia DAFF Bioscurity measures in a 400m zone of ovitraps and BG traps with our own above traps nearby but outside the 400m quarantine area. DAFF Biosecurity has deteced many exotic such as Ae albopictus and Ae aegypti arriving on vessels, and in combined operations with DAFF and ME all have been eliminated. We have detected Ae aegypti established twice in the NT in Tennant Creek in 2004-2006 and on Groote Eylandt in 2006-2008, both etablishments being eliminated by a program outlined in a publication 'The eradication of Aedes aegypi from Groote Eyland NT Australia 2006-2008 published in Arbovirus Research in Australi 1989; 10:188-199 . We are now into our 3rd elimination program in Tennant Creek where Ae aegypti was again detected in 2011.

    12 hours ago
• Ivana Damnjanovic

  Is anyone studying Chinese crab Eriocheir sinensis? This species has been found in Serbia, the Danube River, at a site where it was never found before.

  The Chinese mitten crab, Eriocheir sinensis is a medium-sized burrowing crab, named for its furry claws that look like mittens, that is native in the coastal estuaries of eastern Asia from Korea inThe Chinese mitten crab, Eriocheir sinensis is a medium-sized burrowing crab, named for its furry claws that look like mittens, that is native in the coastal estuaries of eastern Asia from Korea in the north to the Fujian province of China in the south. It has also been introduced to Europe and North America where it is considered an invasive species.

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    Sture Nellbring replied

    Maybe a little bit to far away from Serbia but in Sweden it is Marcus Drotz that do research on CMC. Marcus Drotz, PhD LakeVänern museum of natural and cultural history Framnäsvägen 2 531 54Maybe a little bit to far away from Serbia but in Sweden it is Marcus Drotz that do research on CMC. Marcus Drotz, PhD LakeVänern museum of natural and cultural history Framnäsvägen 2 531 54 Lidköping, Sweden Tel: +46(0)510-77 00 99, 77 00 65 Fax: +46(0)510-77 11 16 marcus.drotz@lidkoping.se

    7 days ago
• Guillaume Quenet

  Has anybody heard about useful studies on the effect of a plant invasion on animal population dynamics (or demography)?

  Any ideas would be welcome! I'm working with Ulex europaeus (common gorse) and small terrestrial mammals in Cundinamarca, Colombia. Thanks

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    Evallejo Evallejo replied

    Eichhornia crassipes coloniza a velocidades altisimas espejos de agua y termina generando problemas por oxigeno disuelto, descomposicion organica y limitaciones para especies hidrobiologicas enEichhornia crassipes coloniza a velocidades altisimas espejos de agua y termina generando problemas por oxigeno disuelto, descomposicion organica y limitaciones para especies hidrobiologicas en embalses. similares efectos se han registrado en cienagas deterioradas por deforestacion de sus riveras y por descargas residuales, como las del complejo cenagoso asociado al magadlena medio, que han detonado la proliferacion excesiva de especies como Pistia stratiotes

    Mar 27, 2012
• Steve Pike

  Hi folks, Daniel Jones and I have been working on some IAS monitoring tools over here in the UK. We've got an iPhone app and a website, and an Android app coming soon. The idea is that all the dataHi folks, Daniel Jones and I have been working on some IAS monitoring tools over here in the UK. We've got an iPhone app and a website, and an Android app coming soon. The idea is that all the data is openly available for any scientist (or anyone really) to download and interrogate. If you manage IAS you can get alerts when they are sighted in your management area, and if you are an IAS expert, you can keep track of your taxa. It's a little basic at the moment, but is functional. The iPhone app is linked to on the website. Please do sign up and have a look around!

  http://ias-ess.org
• Aloster Nongrum

  Seed science

  Can anyone give me suggestions on seed preservation based on temperature and relative humidity control?

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    Mohsen Mesgaran replied

    You'd better use the model developed by Ellis and Robert (1980) to have an estimation of the seed longivity of your species, please refer to this paper: Ellis RH, Roberts EH. 1980. Improved equationsYou'd better use the model developed by Ellis and Robert (1980) to have an estimation of the seed longivity of your species, please refer to this paper: Ellis RH, Roberts EH. 1980. Improved equations for the prediction of seed longevity. Annals of Botany 45: 13-30.

    Mar 13, 2012
• mo Zhucheng

  How to distinguish Spartina alterniflora and S. anglica?

  Spartina alterniflora and S. anglica are two invasive seeds along chinese coast from north to south, but I can't distinguish them in the field.

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    Agboola Oludare replied

    Try and conduct a chromosomal study to detect the differences and also try to use taxonomic key and floral diagram. Obviously there are differences between these two species even through the proteinTry and conduct a chromosomal study to detect the differences and also try to use taxonomic key and floral diagram. Obviously there are differences between these two species even through the protein analysis. Cheers

    Feb 27, 2012
• Suesh Ayyappakutty

  Mimosa diplotricha

  What is the status of Mimosa diplotricha in its native region Brazil? Is there any weedy status in any area? Are there any thornless variety of Mimosa diplotricha?

  
• Marzieh Jazaeri

  Thiobacillus capsulatus

  I'm looking to learn more about thiobacillus capsulatus

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    Angel Bravo Monzón replied

    Is a bacteria http://www.nrcresearchpress.com/doi/abs/10.1139/m88-169

    Feb 23, 2012
• Ani Cátia

  Hi! What is the proper way to study and complete a population of invasive shrubs?

  I'm trying to understand the vegetation to characterize the invasion process, as the species is native, but behaves as invasive. Characteristics of areas: - In tropical environment; - In Wetlands; -I'm trying to understand the vegetation to characterize the invasion process, as the species is native, but behaves as invasive. Characteristics of areas: - In tropical environment; - In Wetlands; - Native Shrubs; - These shrubs have extensive colonization of areas withnative grasses.
• Eduardo Leguizamón

  Predicting plant invasion success in an agroecosystem: what approach ?

  Would the approach published by Moles, Gruber and Bonser (Journal of Ecology 2008, 96 , 13–17) be a proper frame to go further ? Anyone interested in this view would like to share research by usingWould the approach published by Moles, Gruber and Bonser (Journal of Ecology 2008, 96 , 13–17) be a proper frame to go further ? Anyone interested in this view would like to share research by using data from Argentina ?
• Khushali M Pandya

  Presence of Giant African Land Snail in Gujarat

  Till now I didnt come across any article mentioning the presence of A. fulica from Gujarat state, India. But I have collected them from The M. S. University of Baroda and need to show its presence inTill now I didnt come across any article mentioning the presence of A. fulica from Gujarat state, India. But I have collected them from The M. S. University of Baroda and need to show its presence in Gujarat. Can anyone guide me which would be the best place for it???

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    Ponnusamy Devaraj replied

    Giant African land snail was introduced by Britishers to supplement high protein diet in Andaman Islands especially to make soup. However it became unmanageable pest in later years due to nonGiant African land snail was introduced by Britishers to supplement high protein diet in Andaman Islands especially to make soup. However it became unmanageable pest in later years due to non utilization/exploitation.

    Nov 18, 2011

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• Sandeep Malhotra

  The alien parasitic species, Iheringascaris sp. have now made inroads to Gangetic freshwater riverine ecosystems from marine ecosystems at the Central West Coast of India at Goa. Researches by theThe alien parasitic species, Iheringascaris sp. have now made inroads to Gangetic freshwater riverine ecosystems from marine ecosystems at the Central West Coast of India at Goa. Researches by the School of Parasitology at Allahabad Central University, U.P., India, are in progress on parasites, particularly helminths, from hill-stream fish and other vertebrates in Garhwal Himayan riverine ecosystems.
• Abida Zeddam

  Hi! I have already gathered some 80 invasive exotic species in Northern Algeria and I wish getting help or advices about the classical classifications, I mean the more useful for establishing plan ofHi! I have already gathered some 80 invasive exotic species in Northern Algeria and I wish getting help or advices about the classical classifications, I mean the more useful for establishing plan of fight against the worst mainly (such as Ailanthus altissima). Photographies of the whole species are available. Thanks in advance Abida Zeddam

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    Bharat Subba replied

    I am from Nepal Himalayan small country. I am also concerned with the studyof exotic alien species of animal .Happy to know your interest on exotic alien species of plant. .

    Oct 8, 2011
• Tharanga Aluthwattha

  Call for Papers - New journal for Tropical Entomology

  Call for Papers....!! Lepcey – Electronic Bulletin on Entomological Studies of Tropical Asia is a peer-reviewed open access journal. The journal has a particular interest in studies of tropicalCall for Papers....!! Lepcey – Electronic Bulletin on Entomological Studies of Tropical Asia is a peer-reviewed open access journal. The journal has a particular interest in studies of tropical Asia but findings from all aspects of tropical insects and related arthropods are welcome. Lepcey publishes research papers, short communications, review and mini-review articles, scientific notes and Checklists. The Journal also includes reports, book reviews and news in brief. Visit the journal at, http://www.lepcey.butterfliesandmoths.net/

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    Yudra Pradita replied

    I have a friend working on biological mathematics systems, he deals with models on how plant or biologic stuffs deal on their own and environments, in this case it will be do if you also work onI have a friend working on biological mathematics systems, he deals with models on how plant or biologic stuffs deal on their own and environments, in this case it will be do if you also work on mathematical modeling for entomology in tropical area. I have a suggestion, please contacts one of the researchers in Leiden University, I forgot his name, but once he offered me to do the dispersal of insect in borneo, he is working with models, perhaps it can help and used your expertise in math, sorry if this does not answer your question

    Aug 27, 2011