Quite a small nymph, found under stone in small forest stream.
Seen clinging to a stone at shallow edge of small forest stream, and captured for a photo.
Nymph found under stone in small forest stream. Missing its 'tail' and leg.
Found under stone in small stream. ID'd tentatively from key in Winterbourn, Gregson and Dolphin Guide to aquatic insects of NZ (2000) based on narrowly ovate abdomen, and several segments having lateral spines.
Light cahill (Stenacron interpunctatum) spinners observed in low abundance on water's surface at dusk.
Both duns and spinners in low abundance
Duns emerging in very low numbers - only saw a few
Size 16 approx. Almost translucent abdomen with small dark marks on the sides. Greyish/cream color. Clear wings (imago) with dark bands on leading edge. Dark eyes. 2 tails. This specimen looks a bit desiccated after spending the night in my fridge.
Mayflies or shadflies are insects belonging to the order Ephemeroptera (from the Greek εφήμερος, ephemeros = "short-lived" (literally "lasting a day" "daily" or "day-long"), and πτερόν, pteron = "wing", referring to the brief lifespan of adults). They have been placed into an ancient group of insects termed the Palaeoptera, which also contains dragonflies and damselflies. They are aquatic insects whose immature stage (called "naiad" or, colloquially, "nymph") usually lasts one year in fresh water. The adults...