1. PaDIL Species Factsheet Scientific Name: Neotoxoptera formosana (Takahashi, 1921) (Hemiptera: Aphididae: Aphidinae: Macrosiphini) Common Name Onion Aphid Live link: http://www.padil.gov.au/maf-border/Pest/Main/141145 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) Onion Aphid(Neotoxoptera formosana)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/141145 2.3. Facets Commodity Overview: Horticulture Commodity Type: Garlic & Onions Groups: Bugs Status: NZ - Exotic Pest Status: 0 Unknown Distribution: 0 Unknown Host Family: 0 Unknown 2.4. Other Names Fullawayella formosana Takahashi, 1921 Homoptera Micromyzus formosanus (Takahashi, 1921) 2.5. Diagnostic Notes **Adult** **Apterous Viviparous**: Body 1.6-2.3 mm long, shining magenta red to almost black, with antennae black basally and distally. Inner face of antennal tubercles approximately parallel in dorsal view, or only slightly converging apically; antennal segments I and II and distal parts of femora black. Minimum diameter of stem"" of siphunculus greater than diameter of hind tibia at its midpoint; alata with black-bordered wing-veins. **References** - Blackman, R.L. & Eastop, V.F. (2000). _Aphids on the World's Crops_: An Identification and Information Guide. 2nd edition. John Wiley & Sons, New York, 466 pp. 2.6. References - Blackman, R.L. & Eastop, V.F. (2000). _Aphids on the World's Crops_: An Identification and Information Guide. 2nd edition. John Wiley & Sons, New York, 466 pp. 3. Diagnostic Images NZA581. Magnification 20x. NZA581. Magnification 5x. Cauda - Winged Adult: Qing-Hai Fan MAF Dorsal - Winged Adult: Qing-Hai Fan MAF NZA581. Magnification 10x. NZA581. Magnification 10x. Ventral - Winged Adult: Qing-Hai Fan MAF Ventral - Wingless Adult: Qing-Hai Fan MAF 4. Other Images Results Generated: Friday, October 1, 2021 .