Scolopterus penicillatus

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Scolopterus penicillatus
Scolopterus penicillatus 12139785.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Curculionidae
Genus: Scolopterus
Species:
S. penicillatus
Binomial name
Scolopterus penicillatus
White, 1846 [1]

Scolopterus penicillatus, also known as the black spined weevil, is an endemic beetle of New Zealand. [2]

Contents

Physical description

In appearance it is a shining black colour with a purplish tinge and looks very similar to its close relative Scolopterus tetracanthus . S. penicillatus can be distinguished from S. tetracanthus as the spines on the shoulders of the former are much less pointed. [2]

Distribution and habitat

The beetle is present throughout New Zealand and can be discovered by beating native flowering plants in the summer months. [2] Adult black spined weevils have been collected from Hedychium gardnerianum [3] and caught in the flowers of Helichrysum lanceolatum . [4] The larvae of S. penicillatus are known to develop in the recently dead bark of the various species of Pseudopanax . [5]

R A Crowson of Glasgow University spent some time in New Zealand in 1956 and 1957 during which period he found larvae associated with pupae and teneral adults under the bark of a dead branch of a Nothopanax. The larvae were found at Parahaki and Nelson and were later identified by him and Sir G. A. K. Marshall as Scolopterus penicillatus White. [6]

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References

  1. "Scolopterus penicillatus White, 1846". New Zealand Organisms Register. Landcare Researc. Retrieved 2 May 2016.
  2. 1 2 3 Manson, D. C. M. (1960). Native Beetles of New Zealand. Wellington: A. H. & A. W. Reed. p. 15.
  3. Winks, C. J.; et al. (2007). Invertebrates and Pathogens Associated with Wild Ginger, Hedychium gardnerianum and Hedychium flavescens (Zingiberaceae), in New Zealand (PDF) (Report). Landcare Research. p. 35. Retrieved 2 May 2016.
  4. Heine, E. M. (1937). "Observations on the pollination of New Zealand flowering plants" (PDF). Transactions and Proceedings of the Royal Society of New Zealand. 67 (2): 139. Retrieved 2 May 2016.
  5. May, Brenda M. (1993). "Larvae of Curculionoidea (Insecta: Coleoptera): a systematic overview" (PDF). Fauna of New Zealand. 28: 76. Retrieved 2 May 2016.
  6. Cawthra, E M (23 May 1965). "A Description of the Larva of Scolopterus penicillatus White (Curculionidae: Eugnominae)". Transactions of the Royal Society of New Zealand : Zoology Page. 6 (16): 153.