Dynastinae
Creators
- 1. chris. reid @ australian. museum; https: // orcid. org / 0000 - 0003 - 1899 - 9839
- 2. https: // orcid. org / 0000 - 0003 - 0367 - 2876
Description
Key to the species of Dynastinae from Lord Howe Island
1. Propygidial disc densely sculptured with transverse ridges..................................................... 2
- Propygidium smooth surfaced and evenly punctate, without stridulatory ridges.................................... 5
2(1) Propygidial disc with scattered unaligned and equal sized short transverse ridges, not forming a pair of stridulatory files; anterior margin of head rounded......................................................................... 3
- Propygidial disc with paired stridulatory files, formed by longitudinally aligned dense transverse ridges, decreasing in size from base to apex; anterior margin of head excavate either side of midline............... Heteronychus arator (Fabricius, 1775)
3(2) Mandibles bidentate; frontoclypeus with single median tubercle; 5–7 shallow elytral striae........................... 4
- Mandibles tridentate; frontoclypeus with either 2 tubercles or none; 9 deep elytral striae..................................................................................................... Metanastes vulgivagus (Olliff, 1889)
4(3) Base of pygidium setose; elytral punctures ocellate, with a fine ridge around each puncture... Pimelopus noctis (Olliff, 1889)
- Base of pygidium glabrous; elytral punctures simple, unridged.................. Pimelopus fischeri (Montrouzier, 1860)
5(1) Body flat; mentum expanded concealing bases of palpi; elytra densely punctured, relatively dull.......................................................................................... Cryptodus tasmannicus Westwood, 1841
- Body convex; mentum not laterally expanded; elytra not densely punctured, relatively shiny....................................................................................... Semanopterus kingstoni Reid & Tees, new species
Notes
Files
Files
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Malvaceae
- Kingdom
- Plantae
- Order
- Malvales
- Phylum
- Tracheophyta
- Taxon rank
- subFamily
References
- Olliff, A. S. (1889) The insect fauna of Lord Howe Island. Australian Museum Memoir, 2, 77 - 98, pl. vi, errata. https: // doi. org / 10.3853 / j. 0067 - 1967.2.1889.482