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    Author(s): M.A. KeenaP.M. Moore
    Date: 2010
    Source: Environmental Entomology. 39(4): 1323-1335.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: View PDF  (443.62 KB)

    Description

    Developmental thresholds, degree-days for development, larval weights, and head capsule widths for each larval instar and the pupal stage of Anoplophora glabripennis (Motschulsky) (Coleoptera: Cerambycidae) were studied at eight constant temperatures (5, 10, 15, 20, 25, 30, 35, and 40ºC) for two source populations (Ravenswood, Chicago, IL [IL], and Bayside, Queens, NY [NY]). The estimated lower threshold temperature for development of instars 1-5 and the pupal stage was near 10ºC and was near 12ºC for the higher instars. Developmental rate was less temperature sensitive for instars 5-9 compared with instars 1-4. Development for all but the first instar was inhibited at constant temperatures >30ºC, and all instars failed to develop at 40ºC. Although the two source populations had similar responses to temperature, IL larvae were heavier than those from NY. Temperature and its influence on larval weight had profound impacts on whether a larva proceeded to pupation. Based on the temperature effects detailed here, larval development and pupation should be possible in most of the continental United States where suitable hosts are available. These data can be used to develop a degree-day model to estimate beetle phenology; however, at least 2ºC should be added to air temperatures to adjust for the mediation of temperature by the wood. These data provide a basis for predicting the potential geographical range of this species and for developing phenological models to predict the timing of immature stages, both of which are important for management programs.

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    Citation

    Keena, M.A.; Moore, P.M. 2010. Effects of temperature on Anoplophora glabripennis (Coleoptera: Cerambycidae) larvae and pupae. Environmental Entomology. 39(4): 1323-1335.

    Keywords

    temperature, survival, pupation, development, degree-days, Asian longhorned beetle

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