Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Chelostoma philadelphi - Mock-orange Scissor Bee

bee - Chelostoma philadelphi small black fly - Chelostoma philadelphi Tiny wasp? Winged ant? - Chelostoma philadelphi Tiny wasp? Winged ant? - Chelostoma philadelphi Ant-like Bee - Chelostoma philadelphi? - Chelostoma philadelphi - female Ant-like Bee - Chelostoma philadelphi? - Chelostoma philadelphi - female Ant-like Bee - Chelostoma philadelphi? - Chelostoma philadelphi - female Chelostoma philadelphi? - Chelostoma philadelphi - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
No Taxon (Anthophila (Apoidea) - Bees)
Family Megachilidae (Leafcutter, Mason, and Resin Bees, and allies)
Subfamily Megachilinae (Leafcutter, Resin, Mortar, Sharptail, Mason, and Woolcarder bees and relatives)
Tribe Osmiini (Mason bees and relatives)
Genus Chelostoma
No Taxon (Subgenus Prochelostoma, Mock-orange Scissor Bee)
Species philadelphi (Mock-orange Scissor Bee)
Synonyms and other taxonomic changes
Heriades philadelphi Robertson, 1891; Prochelostoma philadelphi (Robertson, 1891)
Explanation of Names
Author: Robertson, 1891
Size
Female 8mm, male 6-7mm
Identification
Chelostoma are longer than most Osmini because of their elongated thorax. Identifying this genus means noticing where the tegula lie in relation to the thorax. Pretend you are drawing a "+" on the thorax. The ends of Chelostoma tegula (that part closest to the wings) are about midway as shown in this photo whereas in other Osmini the tegula ends are lower on the thorax as shown in this photo
(1)
Range
Illinois and Michigan to Connecticut, south to Georgia.
Season
March to July.
Food
Includes Philadelphus. The Hosts section on its Discover Life species page lists known floral associations based on specimen records and images.
Remarks
Native species. The other two species in this genus in the area are introduced.
Internet References
Works Cited
1.The Bees in Your Backyard: A Guide to North America's Bees.
Joseph S. Wilson & Olivia J. Messinger Carril. 2015. Princeton University Press.