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Heterocrossa maculosa facts for kids

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Heterocrossa maculosa
Scientific classification
H. maculosa
Binomial name
Heterocrossa maculosa
(Philpott, 1927)
  • Carposina maculosa Philpott, 1927

Heterocrossa maculosa is a species of moth in the family Carposinidae. It is endemic to New Zealand. It is classified as "Data Deficient" by the Department of Conservation.


This species was originally described by Alfred Philpott in 1927 using a specimen collected from Cooper's Knob, Banks Peninsula by Stewart Lindsay and named Carposina maculosa. George Hudson discussed this species under this name in his 1928 publication The Butterflies and Moths of New Zealand. In 1978 Elwood Zimmerman argued that the genus Heterocrassa should not be a synonym of Carposina as the genitalia in this genus are distinctive. Subsequently John S. Dugdale placed this species within the genus Heterocrossa. The holotype specimen is held at the New Zealand Arthropod Collection.


Philpott originally described the species as follows:

♂ ♀ 18 mm. Head, antennae and thorax light buff. Palpi light buff mixed with ochreous on lower half externally. Abdomen ochreous-white. Legs ochreous-white, anterior and middle parts infuscated. Forewings moderate, costa moderately arched at base, thence straight, apex subacute, termen straight, oblique; light buff finely irrorated with pale fuscous; markings fuscous-black; a dot beneath costa near base and a similar one obliquely before it above dorsum; a minute dot beneath costa at 14 and a much larger one beneath it below fold; a dot in disc beyond these; a dot beneath costa and two below it in disc before 12; a small dot beneath costa between these and 34; two or three dots touching each other and forming a short transverse striga at 34; an obscure irregular striga from costa at 45 to tornus; a series round termen: fringes whitish-buff. Hindwings and fringes shining white.


This species is endemic to New Zealand. It is known from the Lyttelton Hills and Otago. Other than the type locality, this species has also been collected from Hoon Hay Bush.

Biology and behaviour

The adult moths are on the wing in November.

Host species and habitat

The larvae feed on Hoheria angustifolia and Plagianthus regius.

Conservation status

This species has been classified as having the "Data Deficient" conservation status under the New Zealand Threat Classification System. The main risks to this species are likely habitat fragmentation and loss.

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