1. PaDIL Species Factsheet Scientific Name: Eumerus strigatus (Fallén, 1817) (Diptera: Syrphidae: Eristalinae: Eumerini) Common Name Onion Bulb Fly Live link: http://www.padil.gov.au/maf-border/Pest/Main/140638 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 Bulb Fly(Eumerus strigatus)Updated on 3/30/2014 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/140638 2.3. Facets Commodity Overview: Horticulture Commodity Type: Garlic & Onions Groups: Flies Status: NZ - Exotic Pest Status: 0 Unknown Distribution: 0 Unknown Host Family: 0 Unknown 2.4. Other Names Flower Fly Hover Fly Hoverfly Pipiza strigatus Fallén, 1817 Syrphid Fly 2.5. Diagnostic Notes **Adult** Hind femur strongly swollen, with long whitish hairs beneath. **Male** Wing length 4-6.25 mm. having a squarish third antennal segment with the arista arising quite near the upper corner. Sternite 4 has a V-shaped hind margin, with a short notch at the bottom of the V. The parameres in profile have toadstool like caps on the ends. **References** - Stubbs, A.E. & Falk, S.J., (1983). _British Hoverflies. An Illustrated Identification Guide_. British Entomological & Natural History Society, London, 256 pp. 2.6. References - Stubbs, A.E. & Falk, S.J., (1983). _British Hoverflies. An Illustrated Identification Guide_. British Entomological & Natural History Society, London, 256 pp. 3. Diagnostic Images DIP82 DIP082 Dorsal - Adult: Caroline Harding MAF Dorsal - Larvae: Caroline Harding MAF DIP82 DIP082 Head Oblique - Adult: Caroline Harding MAF Headside - Larvae: Caroline Harding MAF DIP082 DIP82 Headtop - Larvae: Caroline Harding MAF Lateral - Adult: Caroline Harding MAF DIP082 DIP082 Lateral - Larvae: Caroline Harding MAF Posterior spiracle - Larvae: Caroline Harding MAF Results Generated: Saturday, October 2, 2021 .