Brown shield bug - Dictyotus caenosus (Westwood, 1837)
(Present in New Zealand, introduced)
ADULT: Main diagnostic characters
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SIZE: 8-11 mm. COLOUR: Yellowish brown, rusty brown or pure brown, with alternate dark and pale markings on sides of abdomen.
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JUGA (lateral lobes of head) much longer than tylus (middle lobe), nearly or fully enclosing it in front.
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ANTENNAE: Segment 2 much longer than segment 3. PRONOTUM (dorsal plate of fore thorax): Fore corners not extended in front on each side of head.
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.
