1. PaDIL Species Factsheet

Scientific Name: versicolor (Herrich-Schëffer, 1853) (: )

Common Name Harlequin Bug Live link: http://www.padil.gov.au/maf-border/Pest/Main/141071

Image Library New Zealand Biosecurity Live link: http://www.padil.gov.au/maf-border/

Partners for New Zealand Biosecurity image library

Landcare Research — Manaaki Whenua http://www.landcareresearch.co.nz/

MPI (Ministry for Primary Industries) http://www.biosecurity.govt.nz/ 2. Species Information

2.1. Details Specimen Contact: MAF Plant Health & Environment Laboratory - [email protected] Author: MAF Plant Health & Environment Laboratory Citation: MAF Plant Health & Environment Laboratory (2011) Harlequin Bug(Dindymus versicolor)Updated on 3/23/2014 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/maf-border/Pest/Main/141071

2.3. Facets Commodity Overview: Horticulture Commodity Type: Cruciferous produce Groups: Bugs Status: NZ - Exotic Pest Status: 0 Unknown Distribution: 0 Unknown Host Family: 0 Unknown

2.4. Other Names Red bug Stainers

2.5. Diagnostic Notes **Adult**

About 12 mm long, brightly coloured. Head, inner margins and tips of forewings black; thorax and base of forewings reddish orange. Underside of body tinted with yellow or green and has red and black markings.

**Egg**

Ovoid; chorion opalescent, with regular hexagonal reticulations; four, five or six evenly spaced micropylar chorionic processes on cephalic pole. No true operculum.

**First instar**

Lateral margins of thorax carinate; longitudinal ecdysial suture extending along midline from anterior margin of pronotum to posterior margin of metanotum.

**Second instar**

Thorax sclerotised regions fuscorufous; longitudinal ecdysial suture extending to posterior margin of metanotum; lateral edges of pleura unsclerotised.

**Third instar**

Wing buds just discenible as small bulges on mesonotum and metanotum.

**Fourth instar**

Wing buds evident as posteriorly directed projections.

**Fifth instar**

Fore wing bud black and extending to middle of abdominal tergum; hind wing buds completely covered by fore wing buds, translucent fuscorufous, fading towards centre of wing bud.

**References**

- Fletcher, M. (2007)._ Plant bugs_. Primefacts 508, New South Wales Department of Primary Industries, 1-4.

- Stahle, P.P. (1979). The immature stages of the harlequin bug, _Dindymus versicolor_ (Herrich-Schaeffer) (Hemiptera: Pyrrhocoridae). _Journal of the Australian Entomological Society_, 18: 271-276.

2.6. References - Fletcher, M. (2007)._ Plant bugs_. Primefacts 508, New South Wales Department of Primary Industries, 1-4. - Stahle, P.P. (1979). The immature stages of the harlequin bug, _Dindymus versicolor_ (Herrich-Schaeffer) (Hemiptera: Pyrrhocoridae). _Journal of the Australian Entomological Society_, 18: 271-276.

2.7. Web Links CSIRO: http://www.ento.csiro.au/aicn/name_s/b_1393.htm 3. Diagnostic Images

HEM45 HEM45 Dorsal - Adult: Caroline Harding MAF Headfront - Adult: Caroline Harding MAF

HEM45 HEM45 Headside - Adult: Caroline Harding MAF Lateral - Adult: Caroline Harding MAF

HEM45 HEM45 Pronotum - Adult: Caroline Harding MAF Wing - Adult: Caroline Harding MAF 4. Other Images

HEM45 HEM45 Dorsal - Nymph: Caroline Harding MAF Lateral - Nymph: Caroline Harding MAF

Results Generated: Saturday, September 25, 2021