1. PaDIL Species Factsheet Scientific Name: Triepeolus pectoralis (Robertson, 1897) (Hymenoptera: Apidae: Nomadinae: Epeolini) Common Name Tribe Representative - Epeolini Live link: http://www.padil.gov.au/pollinators/Pest/Main/139815 Image Library Australian Pollinators Live link: http://www.padil.gov.au/pollinators/ Partners for Australian Pollinators image library Western Australian Museum https://museum.wa.gov.au/ South Australian Museum https://www.samuseum.sa.gov.au/ Australian Museum https://australian.museum/ Museums Victoria https://museumsvictoria.com.au/ 2. Species Information 2.1. Details Specimen Contact: Museum Victoria - [email protected] Author: Ken Walker Citation: Ken Walker (2010) Tribe Representative - Epeolini(Triepeolus pectoralis)Updated on 1/31/2011 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/pollinators/Pest/Main/139815 2.3. Facets Bio-Region: USA and Canada, Central and South America, Europe and Northern Asia, Mediterranean Basin, Africa Host Family: Not recorded Host Genera: Cleptoparasitic Status: Exotic Species not in Australia Bio-Regions: Palaearctic, Nearctic, Neotropical, Greater and Lesser Antilles, Araucanian, Africa Body Hair and Scopal location: Scopa absent Cleptoparasite: Yes - all species Episternal groove: Completely absent Wings: Submarginal cells - Three, Apex of marginal cell truncate or rounded, Stigma present Head - Structures: One subantennal suture below each antennal socket Legs: Arolia present, Middle coxa fully exposed Metasoma & Metanotum: Pygidial plate present, Pygidial plate modified with spine-like bristles, Pygidial plate emarginate, S6 retracted, truncate or emarginate or bifid or pointed with spinelike apical setae, T5 of females with pseudopygidial area Head - Mouthparts: Galeal comb absent, Labrum broader than long, Lorum V shaped; mentum tapered, Glossa short and apically pointed; labial palps unmodified, Stipial comb present Male Genitalia: S7 apical lobes and discs reduced Nests, Ovarioles & Immatures: Parasitic, Ovarioles per ovary equals 4 or more Larval provisions: Parasitic on other bees 2.4. Diagnostic Notes The subfamily Nomadinae consists entirely on cleptoparasitic bees and contains 10 tribes. They are characterised by: Stigma present, pygidial plate present (except in Ammobatoidini) and often modified with strong, blunt spines or bristles or modified to slender bifid or simple pointed apex; arolia is present; episternal groove does not extend below scrobal groove except in the tribe Caenoprosopidini; two or three submarginal cells. Source: Michener (2007). Bees of the World. John Hopkins University Press 3. Diagnostic Images Canada Canada Lateral female view: Laurence Packer York Lateral male view: Laurence Packer York University University Results Generated: Thursday, September 30, 2021 .