Pictorial key to nymphs of NZ Pentatomidae and unwanted exotic species
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Immature stink bugs or nymphs moult through five stages (instars) before becoming adults; the fifth stage or last instar nymph has wing pads extending to the third abdominal segment.
Select the catergory that best fits your nymph.
Select the catergory that best fits your nymph.
Over 12mm
![[Erthesina fullo] last instar nymph. © Derivative of photo by 'itchydogimages on Flickr', used with permission (available under CC BY-NC 4.0 license) Image](/assets/Tools-And-Resources/Identification/Pentatomidae/Erthesina_fullo_Itchydogimages_AllRightsReseditFINAL__FitMaxWzE1LDE1XQ.jpg)
![[Halyomorpha halys] last instar nymph. © Derivative of photo by G. Bernon, USDA APHIS, Bugwood.org, used under CC BY 3.0 US license. Image](/assets/Tools-And-Resources/Identification/Pentatomidae/Halyomorpha_halys-_Bernon_BugwoodOrg_CCBY3editFINAL__FitMaxWzE1LDE1XQ.jpg)
![[Nezara viridula] last instar nymph. Image](/assets/Tools-And-Resources/Identification/Pentatomidae/Nezara_viridula_nymph__FitMaxWzE1LDE1XQ.jpg)
Colour brown / black, under 12mm
![[Dictyotus caenosus] last instar nymph. Image: Phil Bendle | CitScihub Image](/assets/Tools-And-Resources/Identification/Pentatomidae/Dictyotus_caenosus_PBendleeditFINAL__FitMaxWzE1LDE1XQ.jpg)
![Image 1: [Glaucias amyoti] last instar nymph. © MWLR | CC BY-NC 4.0 Image](/assets/Tools-And-Resources/Identification/Pentatomidae/GlauciasNymph5_NMartin_Image3C3largeeditFINAL__FitMaxWzE1LDE1XQ.jpg)
![[Hypsithocus hudsonae] last instar nymph. © MWLR | CC BY-NC 4.0 Image](/assets/Tools-And-Resources/Identification/Pentatomidae/Hypsithocus-hudsonae_last-instar__FitMaxWzE1LDE1XQ.jpg)
![[Monteithiella humeralis] last instar nymph. © Derivative of photo by T. Holmes, Plant & Food Research, New Zealand, sourced from NZAC factsheet series Image](/assets/Tools-And-Resources/Identification/Pentatomidae/MonteithiellaNymph5_NMartin_Image169PlargeeditFINAL__FitMaxWzE1LDE1XQ.jpg)
Legs banded
![[Cermatulus nasalis] last instar nymph. © Derivative of photo by J. Rolfe, New Zealand, used with permission (MWLR | CC BY-NC 4.0) Image](/assets/Tools-And-Resources/Identification/Pentatomidae/Cermatulus_nasalisJRolfeLargeEditFINAL__FitMaxWzE1LDE1XQ.jpg)
![[Halyomorpha halys] last instar nymph. © Derivative of photo by G. Bernon, USDA APHIS, Bugwood.org, used under CC BY 3.0 US license. Image](/assets/Tools-And-Resources/Identification/Pentatomidae/Halyomorpha_halys-_Bernon_BugwoodOrg_CCBY3editFINAL__FitMaxWzE1LDE1XQ.jpg)
![[Oechalia schellenbergii] last instar nymph. © Derivative of photo by N. Holmes, Plant & Food Research, New Zealand, sourced from NZAC factsheet series Image](/assets/Tools-And-Resources/Identification/Pentatomidae/OechaliaNymph5CFA13_12_C02Z_NMartinEditedFINAL__FitMaxWzE1LDE1XQ.jpg)