Two new species of the lacebug genus Radinacantha (Hemiptera: Heteroptera: Tingidae) from Australia

Abstract

-This paper describes the fourth and fifth species of Radinacantha (Tingidae), a lacebug genus endemic to Australia and Madagascar. Radinacantha darwini sp. nov. is restricted to southwestern Western Australia. In contrast, Radinacantha dondiorum sp. nov. is found on the mid north coast of New South Wales. A key to species of the genus is provided and host associations are discussed.

Revision of the lacebug tribe Ceratocaderini (Hemiptera: Tingidae)

“…A tight turnover boundary is evident between the Australian Capital Territory (which falls into the south-east zone) and south-eastern NSW (eastern zone) likely reflecting the steep gradient in habit types from the cold alpine regions in the Australian Alps and South Eastern Highlands, to warm temperate areas represented in the Sydney Basin (IBRA 7 2013). These Ceratocaderini groupings predominantly follow the higher rainfall zones around the eastern and southern coasts of Australia, and are mirrored by certain Tinginae genera such as Epixima (Cassis et al 2019) and Radinacantha (Moir 2009). This is in contrast to patterns displayed by arid-adapted Tinginae, such as Inoma, which can be found across Australia (Cassis & Symonds 2008).…”

Identifying and Managing Threatened Invertebrates through Assessment of Coextinction Risk

“…Alternatively, individuals of R. tasmanica collected from smooth bush‐pea during this study may belong to a cryptic species of Radinacantha , which are distinct from populations occurring in other regions. We based the species identification on the original descriptions (Hacker 1929), which were written on simple external morphology, without examination of genitalia or cladistic or molecular analysis (Moir 2009). Therefore, the taxonomy may not be accurate, and as a precaution we assigned the species a high priority for conservation action pending taxonomic investigation (Fig.…”

Swaustraltingis isobellae, a new genus and new species of Australian lacebug (Insecta: Heteroptera: Tingidae), with a redescription of Cysteochila cracentisDrake, and notes on the lacebug fauna of south‐west Australia

“…1) 3 Single longitudinal carina on pronotum ……. Radinacantha Hacker, 1929 (Moir , fig. 1) –Two or more longitudinal carinae on pronotum …….. 4 4 Inflated ‘cysts’ on pronotum and/or collar (not including convex pronotum) ……………………………………….. 5 –No inflated ‘cysts’ present (although pronotum and/or paranotum may be large and convex) ………………….…”

“…Cassis and Gross () documented the lacebugs of Australia, recognising 147 species, of which 135 species were endemic. Recent work on four genera has expanded this fauna by 27 species (Cassis & Symonds , ; Moir ; Guilbert & Moir ). However, the tingid fauna remains poorly known in Western Australia.…”