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As a continuation of our research into the ecology of the Miena jewel beetle, Castiarina insculpta Carter 1934 (Spencer & Richards 2014, Richards & Spencer 2016) and that of Castiarina rudis Carter 1934, eight survey excursions to various parts of the Central Highlands were conducted between January and March of 2017. While the principal focus of t...
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Citations
... Three factors remained constant however: all specimens were female, were dead when found and came from the yingina / Great Lake area (Smith et al. 2004;Bowden 2010; Threatened Species Section 2020). The 2013 discovery of live C. insculpta by field naturalists caused entomological pulses to race and rapidly led to a significant increase in the collective knowledge of the species (Bonham et al. 2013;Spencer & Richards 2014;Richards & Spencer 2016, 2017. ...
... Despite the absence of live specimens at that time, the new records of dead individuals resulted in C. insculpta being downlisted from extinct to endangered on the TSPA in 2008. Over time, a number of surveys have been instigated, including by staff of both the Queen Victoria and the Tasmanian museum and art galleries, enthusiastic naturalists from Tasmanian Field Naturalists clubs and researchers from the University of Tasmania (Smith et al. 2004;Bonham et al. 2013;Spencer & Richards 2014;Richards & Spencer 2016, 2017. In 2018, mainly due to the significant increase in extent of occurrence and number of known subpopulations, the status of C. insculpta was again reviewed, resulting in its further downlisting to vulnerable on the TSPA. ...
... Lake). The Westons Rd location has extensive patches of Ozothamnus hookeri which were found to support a medium to high density of C. insculpta, as well as a medium density of Castiarina rudis (Carter, 1934) occupying the numerous patches of Orites revoluta scrub, the known food plant of this species (Richards & Spencer 2017). ...
The narrow-range Tasmanian endemic Miena jewel beetle, Castairina insculpta (Carter, 1934), known for less than a century, has experienced tumultuous changes of fortune. This article explores the impact of the 2019 Pine Tier fire on the species and its host plant.
... The larva conformed to the general description of Cerambycidae, (elongate sub-cylindrical body, lacking sclerotised thoracic plates, three pairs of short legs, dorsal and ventral locomotory ampullae on abdominal segments); but in this instance lacking a process on the abdominal tergum 10, as evidenced in some other cerambycid larvae e.g. Uracanthus pallens Hope, 1841 (Duffy 1963;Richards & Spencer 2017). After carefully reinstating the larva in its chamber, the gall was repaired using cable ties and wood frass paste to seal the saw cut. ...
Banksia marginata saplings are host to a number of invertebrate species. We report a new observation of stem usage and gall formation in B. marginata by Tragocerus spencii (Coleoptera: Cerambycidae) in Tasmania.
... including L. menalcas, an obligate CWD-dwelling species, suggesting that surface daylight activity by L. latidens is likely to be uncommon. However, we have recorded diurnal activity in other lucanids, including some Lissotes spp.: L. rudis and H. simsoni (Spencer & Richards 2013), and L. obtusatus, which was observed crossing the Ada Lagoon track during the day (Richards & Spencer 2017). In addition, we have unpublished records of L. cancroides, L. curvicornis, L. menalcas, L. obtusatus, H. bornemisszai (Bartolozzi, 1996) and H. vanderschoori (Bartolozzi, 1996) all frequently active during daylight hours. ...
The Broad-toothed stag beetle, Lissotes latidens belongs to a large genus of flightless lucanid beetles confined to south-eastern Australia, most of which are endemic to Tasmania. Many of the species are range-restricted, while two species are considered threatened and are listed on the Threatened Species Protection Act, 1995. We present previously unreported aspects of the biology and habits of one of these species (Lissotes latidens).
... The larvae of the buprestid Castiarina rudis (Carter 1938) feed in Orites revolutus, as reported in Richards & Spencer (2017). The larval habits of this species are superficially similar to those of C. imperialis, including feeding in the root bole, the position of the emergence hole, which is mostly low on the stem, and larval occupation often causing death in smaller stems. ...
First record of the use of sapling Banksia marginata by larvae of the jewel beetle Cyrioides imperialis.
Current knowledge of Castiarina insculpta (Carter) in Tasmania is reviewed, and the adult male and its genitalia are described and illustrated.
