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      • First screening of entomopathogenic nematodes and fungus as biocontrol agents against an emerging pest of sugarcane, Cacosceles newmannii (Coleoptera: Cerambycidae) 

        Javal, M.; Terblanche, J.S.; Conlong, D.E.; Malan, A.P. (MDPI, 2019)
        Cacosceles newmannii (Coleoptera: Cerambycidae) is an emerging pest of sugarcane in South Africa. The larvae of this cerambycid beetle live within the sugarcane stalk and drill galleries that considerably reduce sugar ...
      • Gas exchange patterns and water loss rates in the Table Mountain cockroach, Aptera fusca (Blattodea: Blaberidae) 

        Groenewald, B.; Bazelet, C.; Potter, C.P.; Terblanche, J.S. (Company of Biologists, 2013)
        The importance of metabolic rate and/or spiracle modulation for saving respiratory water is contentious. One major explanation for gas exchange pattern variation in terrestrial insects is to effect a respiratory water ...
      • Geographic variation and plasticity in climate stress resistance among southern African populations of Ceratitis capitate (Weidemann) (Diptera: Tephritidae) 

        Weldon, C.W.; Nyamukondiwa, C.; Karsten, M.; Chown, S.L.; Terblanche, J.S. (Nature, 2018)
        Traits of thermal sensitivity or performance are typically the focus of species distribution modelling. Among-population trait variation, trait plasticity, population connectedness and the possible climatic covariation ...
      • A global assessment of climatic niche shifts and human influence in insect invasions 

        Hill, M.P.; Gallardo, B.; Terblanche, J.S. (John Wiley & Sons Ltd, 2017)
        Aim: Non-native invasive insects have major impacts on ecosystem function, agricultural production and human health. To predict the geographical distributions of these species, correlative ecological niche models (ENMs) ...
      • A hierarchy of factors influence discontinuous gas exchange in the grasshopper Paracinema tricolor (Orthoptera: Acrididae) 

        Groenewald, B.; Chown, S.L.; Terblanche, J.S. (The Company of Biologists, 2014)
        The evolutionary origin and maintenance of discontinuous gas exchange (DGE) in tracheate arthropods are poorly understood and highly controversial. We investigated prioritization of abiotic factors in the gas exchange ...
      • High metabolic and water-loss rates in caterpillar aggregations: evidence against the resource-conservation hypothesis 

        Schoombie, R.; Boardman, L.; Groenewald, B.; Glazier, D.; van Daalen, C.; Clusella Trullas, S.; Terblanche, J.S. (Company of Biologists, 2013)
        Several hypotheses have been proposed for explaining animal aggregation, including energy or water conservation. However, these physiological hypotheses have not been well investigated. Here, we report the effects of ...
      • Impacts of environmental variability on desiccation rate, plastic responses and population dynamics of Glossina pallidipes 

        Kleynhans, E.; Clusella-Trullas, S.; Terblanche, J.S. (European Society for Evolutionary Biology, 2014-02)
        Physiological responses to transient conditions may result in costly responses with little fitness benefits, and therefore, a trade-off must exist between the speed of response and the duration of exposure to new conditions. ...
      • Incorporating temperature and precipitation extremes into process-based models of African lepidoptera changes the predicted distribution under climate change 

        Barton, M.G.; Terblanche, J.S; Sinclair, B.J. (Elsevier B.V., 2019)
        Terrestrial insects are responding to ongoing climate change. While these responses have been primarily linked to rising temperatures, insects are sensitive to desiccation, and the impacts of altered precipitation regimes ...
      • Investigating population differentiation in a major African agricultural pest: evidence from geometic morphometrics and connectivity suggests high invasion potential 

        Karsten, M.; Addison, P.; Jansen van Vuuren, B.; Terblanche, J.S. (John Wiley & Sons Ltd, 2016)
        The distribution, spatial pattern and population dynamics of a species can be influenced by differences in the environment across its range. Spatial variation in climatic conditions can cause local populations to undergo ...
      • Loss of ion homeostasis is not the cause of chill coma or impaired dispersal in false codling moth Thaumatotibia leucotreta (Lepidoptera: Tortricidae) 

        Karsten, M.; Lebenzon, J.E.; Sinclair, B.J.; Terblanche, J.S. (2019)
        Dispersal is a central requirement of a successful sterile insect release programme, but field-released false codling moth (FCM) typically suffer from poor dispersal ability, especially at low ambient temperatures. Here ...
      • The metabolic costs of sexual signalling in the chirping katydid Plangia graminea (Serville) (Orthoptera: Tettigoniidae) are context dependent: cumulative costs add up fast 

        Doubell, M.; Grant, P.B.C.; Esterhuizen, N.; Bazelet, C.S.; Addison, P.; Terblanche, J.S. (The Company of Biologists, 2017)
        Katydids produce acoustic signals via stridulation, which they use to attract conspecific females for mating. However, direct estimates of the metabolic costs of calling to date have produced diverse cost estimates and ...
      • Methods and approaches for the management of arthropod border incursions 

        Saccagi, D.L.; Karsten, M.; Robertson, M.P.; Kumschick, S.; Somers, M.J.; Wilson, J.R.U.; Terblanche, J.S. (Springer, 2016)
        Biological invasions are increasing and are strongly associated with negative agricultural, economic and ecological impacts. It is increasingly recognized that the primary focus in minimizing biological invasions should ...
      • Molecular and physiological insights into the potential efficacy of CO2-augmented postharvest cold treatments for false codling moth 

        Boardman, L.; Sørensen, J.G.; Grout, T.G.; Terblanche, J.S. (Elsevier B.V., 2017)
        Cold sterilisation may be supplemented with elevated CO2 (hypercapnia) to increase pest mortality however, in some cases, such treatment combinations have generated unexpected high levels of pest survival. Consequently, ...
      • Niche overlap of congeneric invaders supports a single-species hypothesis and provides insight into future invasion risk: Implications for global management of the Bactrocera dorsalis complex 

        Hill, M.P.; Terblanche, J.S. (Public Library of Science, 2014-02)
        Background: The invasive fruit fly, Bactrocera invadens, has expanded its range rapidly over the past 10 years. Here we aimed to determine if the recent range expansion of Bactrocera invadens into southern Africa can be ...
      • Oxygen limitation is not the cause of death during lethal heat exposure in an insect 

        Lehmann, P.; Javal, M.; Terblanche, J.S. (The Royal Society Publishing, 2019)
        Oxygen- and capacity-limited thermal tolerance (OCLTT) is a controversial hypothesis claiming to explain variation in, and mechanistically determine, animal thermal limits. The lack of support from Insecta is typically ...
      • Physiological mechanisms of dehydration tolerance contribute to the invasion potential of Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) relative to its less widely distributed congeners 

        Weldon, C.W.; Boardman, L.; Marlin, D.; Terblanche, J.S. (Creative Commons Attribution 4.0 International Licence, 2016)
        Background: The Mediterranean fruit fly, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) is a highly invasive species now with an almost cosmopolitan distribution. Two other damaging, polyphagous and closely-related ...
      • Physiological performance of field-released insects 

        Terblanche, J. S. (Elsevier, 2014)
        Predicting insect field performance has direct value for control programmes seeking increased efficacy while simultaneously providing insights into field physiology and responses to environmental variability. Recent studies ...
      • Physiological responses to fluctuating thermal and hydration regimes in the chill susceptible insect, Thaumatotibia leucotreta 

        Boardman, L.; Sorensen, J.G.; Terblanche, J.S. (Elsevier, 2013)
        Fluctuating thermal regimes (FTR), consisting of cycles between stressful low and benign temperatures, are known to improve survival and fecundity in a variety of insects. By contrast, fluctuating hydration regimes (FHR) ...

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