Hierodoris extensilis facts for kids
Quick facts for kidsHierodoris extensilis
This species was first described by Robert J. B. Hoare in 2012 and named Heliostibes extensilis. The holotype specimen is held at the New Zealand Arthropod Collection.
The wingspan of the male H. extensilis moth is 13–15.5 mm and the female is 12–17.5 mm. This species is visually similar to its close relatives Hierodoris frigida, H. polita and H. gerontion. H. extensilis can be distinguished from both H. frigida and H. polita as it has a whitish hind-wing base. It has a white-scaled surface to its exterior labial palpi and does not have the transverse white forewing fascia of H. polita. H. extensilis can be distinguished from H. gerontion as H. extensilis has shining leaden scales on its forewings, a dark fringe but does not have the curved white subbasal fascia of H. gerontion.
The female of this species has an extremely long telescopic ovipositor. It has been hypothesised that this feature enables the females to lay eggs beneath the surface of the sand close to host plant roots.
Biology and behaviour
H. extensilis has been collected in early February.
Habitat and host plants
This species occurs in granite sand plains and gravel field habitat. The host plant of the larvae of this species is unknown.
H. extensilis has been classified as having the "At Risk, Naturally Uncommon" conservation status under the New Zealand Threat Classification System.
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