1. PaDIL Species Factsheet Scientific Name: Lyctus linearis (Goeze, 1877) (Coleoptera: Bostrichidae: Lyctinae: Lyctini) Common Name European lyctus beetle Live link: http://www.padil.gov.au/pests-and-diseases/Pest/Main/135775 Image Library Australian Biosecurity Live link: http://www.padil.gov.au/pests-and-diseases/ Partners for Australian Biosecurity image library Department of Agriculture, Water and the Environment https://www.awe.gov.au/ Department of Primary Industries and Regional Development, Western Australia https://dpird.wa.gov.au/ Plant Health Australia https://www.planthealthaustralia.com.au/ Museums Victoria https://museumsvictoria.com.au/ 2. Species Information 2.1. Details Specimen Contact: Museum Victoria - [email protected] Author: Walker, K. Citation: Walker, K. (2006) European lyctus beetle(Lyctus linearis)Updated on 8/19/2021 Available online: PaDIL - http://www.padil.gov.au Image Use: Free for use under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY- NC 4.0) 2.2. URL Live link: http://www.padil.gov.au/pests-and-diseases/Pest/Main/135775 2.3. Facets Status: Exotic Species Occurrence in Australia Group: Beetles Commodity Overview: Forestry, Horticulture Commodity Type: Timber Distribution: Europe and Northern Asia, USA and Canada, Australasian - Oceanian, Central and South America, South and South-East Asia 2.4. Other Names Dermestes linearis Goeze, 1777 Lyctus canaliculatus Fabricius, 1792 Lyctus fuscus Linnaeus, 1767 Lyctus striatus Melsheimer, 1844 powderpost beetle 2.5. Diagnostic Notes The tribe Lyctini is characterised by: - Hind coxae distinctly separated - At least the outer two-thirds of each elytron with complete, even or uneven, longitudinal rows of punctures and corresponding hairs - Metathoracic femur relatively slender, nearly club shaped and not compressed The genus Lyctus is characterised by: - Body length: 1.5-8.0mm - Pronotum without tubercles, teeth, small lobes or ridges - Frons never with a medium tooth or tubercle - Dorsal vestiture not erect - Both antennal club segments subequal in length but the first is normally shorter than the second - First antennal club segment wider or as wide as second segment - Second antennal club segment ovoid, conoid, ellipsoid or pear shaped - Anterior tibiae not strongly enlarged at the apex - Anterior tibiae acutely produced externally and with a large, curved spine There are 26 known valid species in this genus. Diagnostic characteristics of this species include: - Body length: 2.5-5.5mm - Anterior coxae almost contiguous - Dorsal surface of pronotum finely granulate - Lateral margins of vertex distinctly thickened and raised - like a wall along the posterior inner dorsal margin of each eye - Middle one-third of the dsic of each elytron with an irregular double row of sdhallwo circular or ovoid punctures adjacent to the suture and then only as single rows of punctures. Source: Graham Goodyer 2008 (unpublished) Identification of Bostrichid beetles to Genus and Species. 2.6. Web Links Adult image: http://www.forestryimages.org/browse/subimages.cfm?SUB=10262 EUNIS Database map: http://eunis.eea.europa.eu/species- factsheet.jsp?tab=2&idSpecies=132906&idSpeciesLink=132906 Great Britain & Ireland records: http://www.property-care.org/newpubs/files/T5%20- %20PCA%20Preservative%20Treatment%20against%20Wood%20Borers%20A3.pdf Image of adult and damage: http://www.nhc.ed.ac.uk/index.php?page=24.25.128 Phytoparasitica: http://www.phytoparasitica.org/phyto/pdfs/1999/issue4/hal.pdf 3. Diagnostic Images Castlenau collection c 1870 Castlenau collection c 1870 Dorsal view: Simon Hinkley & Ken Walker Elytra: Simon Hinkley & Ken Walker Museums Victoria Museums Victoria Castlenau collection c 1870 Castlenau collection c 1870 Head front: Simon Hinkley & Ken Walker Head side: Simon Hinkley & Ken Walker Museums Victoria Museums Victoria Castlenau collection c 1870 Castlenau collection c 1870 Lateral view: Simon Hinkley & Ken Walker Posterior view: Simon Hinkley & Ken Walker Museums Victoria Museums Victoria Castlenau collection c 1870 Castlenau collection c 1870 Pronotum: Simon Hinkley & Ken Walker Thorax side: Simon Hinkley & Ken Walker Museums Victoria Museums Victoria 4. Other Images Results Generated: Friday, October 1, 2021 .