The Australian Museum Lord Howe Island Expedition 2017—Coleoptera

Reid, Chris A. M.; Shaw, Josh Jenkins; Jensen, Arn Rytter

doi:10.3853/j.1835-4211.26.2018.1706

Cited by 4 publications

(17 citation statements)

References 12 publications

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“…Lord Howe has three species, all with only modestly sized mandibles. One species is endemic and one has only recently arrived and may not be established (Reid et al, 2018a). These records confirm the widespread distribution of Figulus nitens in the lowlands of the island.…”

Section: Family Lucanidaesupporting

confidence: 70%

“…The larvae feed in plant stems, usually in hard woody tissue. The cerambycid fauna of Lord Howe is diverse, with at least 22 species (Ślipiński & Escalona, 2013(Ślipiński & Escalona, , 2016Reid et al, 2018a). These records confirm the abundance and wide lowland distribution of this large beetle species, at least in larval form (Reid et al, 2018a;Reid & Hutton, 2019).…”

Section: Family Cerambycidaesupporting

confidence: 63%

“…It is therefore difficult to identify. The head, pronotum and antennae are of similar size and sculpture to a species identified as Rhytiphora "species 1" which was noted from Balls Pyramid (Reid et al, 2018a). There is one other specimen of what is probably this species in the Australian Museum collection, from Transit Hill, collected in 2001.…”

Section: Ceresium Flavipes (Fabricius 1792)mentioning

confidence: 66%

“…Length 12-15 mm. This possibly endemic species of Stenellipsis was first noted from Lord Howe in 2018 (Reid et al, 2018a). It is a frequently collected species on the island and is widespread in the lowland forests.…”

Section: Ceresium Flavipes (Fabricius 1792)mentioning

confidence: 95%

“…In brief, the highly diverse and endemic flora and fauna, is threatened by introduced rodents, particularly black rats (Hutton et al, 2007). The rats have eliminated or severely reduced populations of several large insects from the main island including many beetles (Reid et al, 2018a;Reid & Hutton, 2019) but have failed to invade the small offshore islets. In 2019 an intensive rodent baiting programme was undertaken, from April to October, covering the entire island .…”

Section: Introductionmentioning

confidence: 99%

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The citizen scientist survey of large Coleoptera on Lord Howe Island, August 2019

Reid¹,

Hutton²,

Thompson³

2020

Tech. Rep. Aust. Mus., Online

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Section: Family Lucanidaesupporting

confidence: 70%

Section: Family Cerambycidaesupporting

confidence: 63%

Section: Ceresium Flavipes (Fabricius 1792)mentioning

confidence: 66%

Section: Ceresium Flavipes (Fabricius 1792)mentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

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The citizen scientist survey of large Coleoptera on Lord Howe Island, August 2019

Reid¹,

Hutton²,

Thompson³

2020

Tech. Rep. Aust. Mus., Online

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A total-evidence approach resolves phylogenetic placement of ‘Cafius’ gigas,a unique recently extinct rove beetle from Lord Howe Island

Jensen

Shaw

Żyła

et al. 2020

Zoological Journal of the Linnean Society

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Cafius gigas Lea, 1929 (Coleoptera: Staphylinidae) was a large rove beetle endemic to Lord Howe Island (LHI) resembling Cafius and the LHI flightless endemic Hesperus dolichoderes (Lea, 1925). Like several other LHI endemics, C. gigas became extinct due to human-introduced rats. It is a legacy species valuable for understanding the LHI biota in terms of evolutionary biology and historical biogeography. Whether C. gigas was a member of Cafius Curtis, 1829, restricted to oceanic shores and prone to trans-oceanic dispersal, or related to H. dolichoderes, would have different implications. We subjected C. gigas to a total-evidence phylogenetic analyses of morphological and molecular data using model-based and parsimony methods. As a result, it is transferred to Hesperus Fauvel, 1874 with the new combination Hesperus gigas (Lea, 1929) comb. nov. Our analysis indicates that the montane leaf litter inhabitant H. gigas evolved neither in situ nor from a seashore Cafius-ancestor, or from an ancestor shared by two other LHI endemic congeners, Hesperus pacificus Olliff, 1887 and H. dolichoderes. It also suggests that all three Hesperus species that currently occur on LHI could have evolved on various seamounts at various times before reaching LHI.

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Global distribution patterns provide evidence of niche shift by the introduced African dung beetleDigitonthophagus gazella

Noriega¹,

Floate

Génier

et al. 2020

Entomologia Exp Applicata

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The establishment of cattle ranches throughout the world has prompted the release of dung beetles as biological control agents that reduce pasture fouling and control dung‐breeding flies. One of these beetles, Digitonthophagus gazella (Fabricius) (Coleoptera: Scarabaeidae), that is native to southeast Africa, has been introduced into the Americas, Australia, and New Zealand. Distribution records for this species have been used to develop climate models of potential future establishment. Recent studies, however, identify D. gazella as a complex of seven species. Taking into account this revision, and the clear identification of the records belonging to the actual D. gazella, we developed environmental models to identify factors that have contributed to the establishment of this species across regions and habitats. We compared the environmental conditions of D. gazella in its native range against those in the regions where the species has or has not established. Our results indicate that D. gazella is still absent in certain parts of Central and South America and parts of Africa where it could potentially establish. We speculate that its distribution in Africa is limited by competitive exclusion. The introduction of D. gazella in America is relatively recent, such that the full extent of its distribution has probably yet to be realized. In Australia and North America, D. gazella is present in regions not predicted according to its native environmental conditions. This discrepancy may reflect a lack of competitive exclusion, phenotypic plasticity, and/or genetic adaptation. Our analyses suggest that the species has the ability to adapt to a wide range of environmental conditions that are extremely different from those in their native region. The species represents a useful case study to indicate that an introduced species may expand its realized niche beyond what is expected based on apparent environmental limits in the species native range.

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The Australian Museum Lord Howe Island Expedition 2017—Coleoptera

Cited by 4 publications

References 12 publications

The citizen scientist survey of large Coleoptera on Lord Howe Island, August 2019

The citizen scientist survey of large Coleoptera on Lord Howe Island, August 2019

A total-evidence approach resolves phylogenetic placement of ‘Cafius’ gigas,a unique recently extinct rove beetle from Lord Howe Island

Global distribution patterns provide evidence of niche shift by the introduced African dung beetleDigitonthophagus gazella

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