Pittosporum shield bug - Monteithiella humeralis (Walker, 1868)
(Present in New Zealand, introduced)
ADULT: Main diagnostic characters
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SIZE: 8-10 mm. COLOUR: Chocolate brown, with a distinctive pale band along sides of pronotum (dorsal plate of fore thorax).
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JUGA (lateral lobes of head) about as long as tylus (middle lobe), not enclosing it in front.
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PRONOTUM (dorsal plate of fore thorax) with a distinctive pale band along sides.
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ABDOMEN UNDERSIDE with scattered dark spots of various sizes.
NYMPH: Main diagnostic characters
Immature stink bugs or nymphs moult through five stages (instars) before becoming adults; the fifth stage or last instar nymph is documented below.
