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Batrachedra tristicta facts for kids

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Batrachedra tristicta
Scientific classification
  • Batrachedra tristictica (Meyrick, 1901)

Batrachedra tristicta is a species of moth in the family Batrachedridae. It is endemic to New Zealand.


This species was first described by Edward Meyrick in 1901 using material collected at Makatoku, in the Hawkes Bay, in March. George Hudson discussed and illustrated this species both in his 1928 publication The Butterflies and Moths of New Zealand and his 1939 supplement to that work. The lectotype specimen is held at the Natural History Museum, London.


Meyrick described B. tristicta as follows:

♂︎♀︎. 10-11 m.m. Head, antennae, thorax, abdomen, and legs fuscous-whitish. Palpi whitish, second joint with short scale-projection, subbasal and subapical spots of second joint, and basal and subapical spots of terminal dark fuscous. Fore wings whitish, irrorated with fuscous and sprinkled with dark fuscous ; first and second discal stigmata elongate, black, first somewhat before middle ; a round black apical dot : cilia very pale whitish-fuscous. Hind-wings grey ; cilia pale whitish-fuscous.


This species is endemic to New Zealand. Along with the type locality in the Hawkes Bay, this species has also been collected in Fiordland.

Biology and behaviour

Juncus edgariae kz2
Juncus edgariae

The adults of this species are on the wing in March.

Host species

The larvae feed on the flowers and seed heads of rushes including wiwi (Juncus edgariae) and soft rush (Juncus effusus).

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