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      Life History of the Invasive Species <I>Halyomorpha halys</I> (Hemiptera: Pentatomidae) in Northeastern United States

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      Annals of the Entomological Society of America
      Entomological Society of America

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          Stink Bugs of Economic Importance in America North of Mexico

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            Effects of photoperiod, temperature and melatonin on nymphal development, polyphenism and reproduction in Halyomorpha halys (Heteroptera: Pentatomidae).

            Influences of photoperiod, temperature and melatonin were examined on development and color patterns of nymphs, and sternum color and reproductive fate of adults in Halyomorpha halys (brevis). Short-day accelerated nymphal development, whereas long-day accelerated reproductive maturation. The two types of photoperiodic responses at different stages may help maintain the univoltinism of this species in the field, assuring the right timing for diapause and reproduction. The pronotum of fifth instar nymphs reared under LD 11:13 shows a brown-marbled color pattern darker, with less creamy-yellowish speckles, than that of nymphs reared under LD 16:8. Short-day-reared fifth instar nymphs, which are destined to diapause in adults, had shorter white stripes on the pronotum, smaller body size, less frequent feeding and more lipid accumulation than the long-day-reared. The longer the exposure to LD 13:11 at 20 degrees C during the nymphal stage, the greater the expression of short-day associated characteristics observed in the fifth nymphal instar and adult stage. Melatonin orally administered (500 microg/ml) to insects under LD 16:8 produced slightly reduced body size, suppressed feeding, extended nymphal period and increased accumulation of lipid compared to the untreated bugs, but did not affect the incidence of diapause in females. In males, melatonin retarded gonadal development under LD16:8. These results may suggest a possible role of melatonin for the control of seasonal polyphenism and development.
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              Importance of apple fruits as food for the brown-marmorated stink bug, Halyomorpha halys (Stal) (Heteroptera: Pentatomidae)

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                Author and article information

                Journal
                Annals of the Entomological Society of America
                an
                Entomological Society of America
                00138746
                00138746
                July 01 2009
                July 01 2009
                : 102
                : 4
                : 608-616
                Article
                10.1603/008.102.0405
                5bb23819-f38f-455f-bf02-fa3a7096d6ae
                © 2009
                History

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