Deleatidium angustum

ニンフ ボディ  7〜9.7mm  テール 13mm
ダン  ボディ 8.5〜9.2mm  テール 13mm


Nymph   Body   7-9.7mm   Tail   13mm
Dun       Body   8.5-9.2mm   Tail   13mm
It distributes all around New Zealand especially northern North Island. Timing of hatch does not synchronise and it can be seen through seasons. These nymphs were sampled at the Admiral Pool of the Tongariro river on 20th November.