1. PaDIL Species Factsheet Scientific Name: Nylanderia bourbonica (Forel, 1886) (Hymenoptera: Formicidae: Formicinae: Lasiini) Common Name Trap-jaw Ant Live link: http://www.padil.gov.au/maf-border/Pest/Main/142076 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) Trap-jaw Ant(Nylanderia bourbonica)Updated on 4/15/2014 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/142076 2.3. Facets Commodity Overview: Horticulture Commodity Type: 0 Unknown Distribution: 0 Unknown Status: NZ - Exotic Groups: Ants Host Family: 0 Unknown Pest Status: 0 Unknown 2.4. Other Names Paratrechina bourbonica (Forel, 1886) 2.5. Diagnostic Notes Length 2.5-3.2 mm; head width mostly 0.65 to 0.72 mm; body uniform dark brown to blackish brown; legs dark brown except for femora and tibiae, which are lighter brown. Surface sculpture: head punctate, other surfaces strongly shining though this obscured by pubescence; antenna 12-segmented, without a club; scape not more than 1.5x as long as head including closed mandibles; each funicular segment as long as wide or longer than wide; eyes moderately large; head broad; mandibles each with 6 teeth; clypeus without longitudinal carinae; alitrunk slightly longer than head length; pronotal dorsum convex in profile; mesonotal dorsum almost straight; metanotal groove deeply incised; propodeum without spines, posterodorsal border a low rounded angle; one node (petiole) present, somewhat hidden by the anterior surface of the gaster; head and gaster with abundant dark, erect hairs: pronotal dorsum with two pairs of long erect hairs and three pairs of shorter hairs; mesonotal dorsum with three pairs; none on propodeum; hind femora and tibiae with erect or suberect hairs; stinger lacking; acidopore present. Katepisternum pubescent; significant pubescence between propodeal spiracle and dorsum which continues ventrally anterior to propodeal spiracle. **References** - Sarnat, E.M. (2008). _PIA key: Identification guide to invasive ants of the Pacific Islands_, Edition 2.0, Lucid v. 3.4. USDA/APHIS/PPQ Center for Plant Health Science and Technology and University of California - Davis. Available online: [http://www.lucidcentral.org/keys/v3/PIAkey/Fact_Sheets/Paratrechina_bourbonica.html](http://www.lucidcentr al.org/keys/v3/PIAkey/Fact_Sheets/Paratrechina_bourbonica.html) (Date of access: 8 Jan 2009) - Clouse, R.M. (2007). The ants of Micronesia (Hymenoptera: Formicidae). _Micronesica_, 39(2): 171-295. - Trager, J.C. (1984): A revision of the genus _Paratrechina_ (Hymenoptera: Formicidae) of the continental United States. _Sociobiology_, 9: 51–162. 2.6. References - Sarnat, E.M. (2008). _PIA key: Identification guide to invasive ants of the Pacific Islands_, Edition 2.0, Lucid v. 3.4. USDA/APHIS/PPQ Center for Plant Health Science and Technology and University of California - Davis. Available online: [http://www.lucidcentral.org/keys/v3/PIAkey/Fact_Sheets/Paratrechina_bourbonica.html](http://www.lucidcentr al.org/keys/v3/PIAkey/Fact_Sheets/Paratrechina_bourbonica.html) (Date of access: 8 Jan 2009) - Clouse, R.M. (2007). The ants of Micronesia (Hymenoptera: Formicidae). _Micronesica_, 39(2): 171-295. - Trager, J.C. (1984): A revision of the genus _Paratrechina_ (Hymenoptera: Formicidae) of the continental United States. _Sociobiology_, 9: 51–162. 2.7. Web Links Pacific Invasive Ant Key: http://www.lucidcentral.org/keys/v3/PIAkey/Fact_Sheets/Paratrechina_bourbonica.html Landcare Research Ant Information Sheet: http://www.landcareresearch.co.nz/research/biocons/invertebrates/Ants/invasive_ants/parbou_info.asp 3. Diagnostic Images HYM34 HYM34 Dorsal - Worker: Caroline Harding MAF Headfront - Worker: Caroline Harding MAF HYM34 HYM34 Lateral - Worker: Caroline Harding MAF Thorax Dorsal - Worker: Caroline Harding MAF Results Generated: Sunday, September 26, 2021 .