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has been protected under the
Wildlife Act 1953, making it illegal to collect or own specimens without a permit. Its conservation status is considered to be Relict and Conservation Dependent, as it only survives on islands that are maintained as rodent-free. Future conservation efforts, including any
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species by its wide and spreading prothorax and small round nodules on its elytra. Its size ranges from 16 to 22.5 mm. It has a flattened body shape and small vestigial wings. Click beetles are named due to their ability to make an audible click when on their back to jump into the air. However,
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described the Cook Strait click beetle as "confined to the islands in Cook Strait, where it is abundant in crevices in the rocks and under logs and stones". Recent accounts describe it as now rare, despite little change in the vegetation over the past fifty years. A recent increase in the number of
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and
Sentinel Rock. It has not been seen since 1957 on North Brother Island (its type locality) despite searches, and it is possible that it is now extinct there. The relict populations on Marlborough Sounds islands are probably due to the introduction of mammalian predators on the mainland.
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may account for this. However tuatara scats, despite containing a rich range of invertebrate fauna, were not shown to contain the Cook Strait click beetle. It is thought that the lack of decomposing logs on
Stephens Island may limit the population size there.
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captive breeding programme, are impeded by the lack of knowledge of its basic biology, particularly the biology of its larvae. Providing artificial habitat to replace the lack of decomposing logs may assist this species and help with population monitoring.
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The presence of five separate populations of the beetle on islands in the Outer
Marlborough Sounds probably helps protect it against any immediate threat to its survival. However, some of these populations are in decline. In 1930,
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Leschen, R. A. B.; Marris, J. W. M.; Emberson, R. M.; Hitchmough, R. A.; Stringer, I. A. N. (2012). "The
Conservation Status of New Zealand Coleoptera".
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598:"Quaternary fossil faunas, overlapping taphonomies, and palaeofaunal reconstruction in North Canterbury, South Island, New Zealand"
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Pascoe 1876 (Coleoptera: Elateridae: Denticollinae) with a description of a new species from the Three Kings
Islands"
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318:, indicating it once had a much larger former range. Islands that it has been collected from include the Brothers,
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at night, and from under logs and rocks. Adult beetles have been observed feeding on sap oozing from tree trunks.
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New
Zealand beetles and their larvae: an elementary introduction to the study of our native Coleoptera
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575:(Broun) (Coleoptera: Elateridae): with comments on other threatened insects of the Marlborough Sounds
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in New
Zealand; fragments of this beetle have been collected from the nest of the extinct
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631:"The Conservation Requirements of New Zealand's Nationally Threatened Invertebrates"
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This species was discovered by the lighthouse keeper
Andreas Sandager on
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706:"Feeding Ecology of the Tuatara on Stephens Island, Cook Strait"
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The adult beetle has been collected from tree trunks including
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in 1881. It is currently only found on islands in the outer
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do not have the ability to defend themselves in this way.
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467:
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474:"A revision of the New Zealand click beetle genus
741:The Cook Strait click beetle discussed on RNZ's
660:. Wellington: Ferguson & Osborne. p. 82
472:Marris, John W. M.; Johnson, Paul J. (2010).
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683:. Wellington: DSIR publishing. p. 38.
602:Journal of the Royal Society of New Zealand
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577:. Wellington: Department of Conservation.
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322:, Middle and South Trio Island,
277:can be distinguished from other
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884:Endemic beetles of New Zealand
713:New Zealand Journal of Ecology
440:New Zealand Journal of Science
49:A Cook Strait click beetle on
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615:10.1080/03014223.1996.9517514
636:. Department of Conservation
413:10.1080/00779962.2012.686311
436:"The New Zealand Carabidae"
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894:Taxa named by Thomas Broun
596:Worthy, Trevor H. (1996).
889:Beetles described in 1883
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87:Scientific classification
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35:Cook Strait click beetle
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401:New Zealand Entomologist
246:, is a large flightless
244:Cook Strait click beetle
242:, commonly known as the
18:Cook Strait click beetle
302:, and was described by
538:New Zealand Geographic
434:Broun, Thomas (1883).
270:
227:Amychus stephensiensis
223:(Emberson et al. 1993)
569:Marris, John (1996).
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704:Walls, G.Y. (1981).
679:Meads, Mike (1990).
296:North Brother Island
221:Psorochroa granulata
743:Critter of the Week
59:Conservation status
796:Amychus granulatus
766:Amychus granulatus
573:Amychus granulatus
308:Marlborough Sounds
271:
269:by Joanna Liddiard
267:Amychus granulatus
239:Amychus granulatus
196:Amychus granulatus
178:A. granulatus
866:
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851:Open Tree of Life
758:Taxon identifiers
690:978-0-477-02590-4
512:Landcare Research
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27:Species of beetle
16:(Redirected from
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736:External links
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608:(3): 275–361.
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508:"Click Beetle"
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407:(2): 91–98.
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370:Conservation
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312:Laughing owl
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290:Distribution
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815:iNaturalist
790:Wikispecies
374:Since 1980
358:G.V. Hudson
324:Maud Island
300:Cook Strait
258:Description
51:Maud Island
879:Elateridae
873:Categories
640:2016-05-29
583:10182/4162
492:2016-05-29
383:References
361:predatory
252:Elateridae
154:Elateridae
144:Coleoptera
124:Arthropoda
781:Q24257045
446:: 287–304
421:219566068
172:Species:
110:Kingdom:
104:Eukaryota
804:BioLib:
775:Wikidata
212:Synonyms
150:Family:
120:Phylum:
114:Animalia
100:Domain:
833:1124728
719:: 89–97
488:: 35–56
482:Zootaxa
476:Amychus
363:tuatara
351:Threats
345:taupata
331:Ecology
284:Amychus
279:Amychus
165:Amychus
160:Genus:
140:Order:
134:Insecta
130:Class:
75: (
856:139824
840:NZOR:
820:385480
807:727478
723:5 June
687:
664:5 June
543:2 June
517:2 June
450:29 May
419:
273:Adult
205:, 1883
77:NZ TCS
73:Relict
709:(PDF)
634:(PDF)
417:S2CID
341:ngaio
304:Broun
203:Broun
828:NCBI
725:2016
685:ISBN
666:2016
545:2016
519:2016
486:2331
452:2016
343:and
337:tawa
610:doi
579:hdl
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314:in
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
