1. PaDIL Species Factsheet

Scientific Name: aequalis (Waterhouse, 1884) (Coleoptera: : : )

Common Name Lesser auger Live link: http://www.padil.gov.au/pests-and-diseases/Pest/Main/135575

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: AQIS - Brisbane - Author: Walker, K. Citation: Walker, K. (2005) Lesser auger beetle(Heterobostrychus aequalis)Updated on 8/20/2021 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/135575

2.3. Facets Status: Exotic species - absent from Australia Group: Commodity Overview: Horticulture, Forestry Commodity Type: Timber Distribution: South and South-East Asia, Australasian - Oceanian, Africa, Europe and Northern Asia, USA and Canada

2.4. Other Names aqeualis Waterhouse Bostrychus uncipennis Lesne oriental borer

2.5. Diagnostic Notes This resides in the subfamily Bostrichinae which is defined by:

- First tarsal segment shorter than second and third also shorter than second - Anterior margin of pronotum truncate, concave or deeply emarginate - Lateral teeth more prominent than median teeth.

The genus _Heterobostrychus_ is defined by:

- Body length: 5.0-16.0mm - Head capsule not deeply and transversely constricted behind eyes - Gena without a large tooth or lobe below each eye - Antennal club segments with two unmargined and indistinct nearly circular sensory areas - Pronotum excavated behind the middle of the anterior margin.

There are 5 known species in _Heterobostrychus_: _H. aequalis, H. brunneus, H. hamatipennis, H. pileatus_ and _H. unicornis_.

Females differ from males as: pronotum smaller, teeth on anterior apical border of pronotum shorter; apical declivity of elytra without marginal tubercles.

_Heterobostrychus aequalis_ is characterised by:

- Apical declivity and elytra bare - Pronotum with obvious posterior angles, often lobed - Frons without a distinct hairy gibbosity - Pronotum middle of basal half sparsely punctured (females) or densely punctured (males) - Second segment of hind tarsus noticeable shorter than the last segment.

Source:

Graham Goodyer (2008). Identification of Bostrichid Beetles to Genus and Species (unpublished)

Differentiation of males as follows:

1. Apical declivity of elytra unituberculate on each side .. _H. hammatipennis_ - Apical declivity of elytra bituberculate on each side .. 2

2. Posterolateral angles of pronotum lobed; teeth on anterior border of pronotum broadly separated; apical declivity of elytra arcuately deflexed with inner two stout tubercles pointing obliquely upwards .. _H. aequalis_

- Posterolateral angles of pronotum rounded; teeth on anterior border of pronotum narrowly separated; apical declivity of elytra obliquely deflexed with inner two stout tubercles pointing inwards ... _H. pileatus_

2.6. References Borowski, Jerzy and Piotr Wegrzynowicz. (2007). World catalogue of Bostrichidae (Coleoptera).

2.7. Web Links Australian Distribution Map: http://www.ento.csiro.au/aicn/name_s/b_1944.htm Featured Creatures: http://creatures.ifas.ufl.edu/trees/oriental_wood_borer.htm 3. Diagnostic Images

Specimen Locality Label: Malaysia. Specimen Locality Label: Malaysia. 1951QA. 1951QA. Dorsal view: Ken Walker Museums Victoria Elytral view: Ken Walker Museums Victoria

Specimen Locality Label: Malaysia. Specimen Locality Label: Malaysia. 1951QA. 1951QA. Head front: Ken Walker Museums Victoria Head side: Ken Walker Museums Victoria

Specimen Locality Label: Malaysia. Specimen Locality Label: Malaysia. 1951QA. 1951QA. Lateral view: Ken Walker Museums Victoria Posterior view: Ken Walker Museums Victoria Specimen Locality Label: Malaysia. Specimen Locality Label: Malaysia. 1951QA. 1951QA. Pronotum view: Ken Walker Museums Thorax side: Ken Walker Museums Victoria Victoria 4. Other Images

Specimen Locality Label: Malaysia. Specimen Locality Label: Malaysia. 1951QA. 1951QA. Larva head: Ken Walker Museums Victoria Larva side view: Ken Walker Museums Victoria

Results Generated: Wednesday, September 29, 2021