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

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

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

Previous events


TaxonomyBrowseInfoImagesLinksBooksData
Photo#35312
Western Yellowjacket? - Vespula pensylvanica

Western Yellowjacket? - Vespula pensylvanica
Larimer County, Colorado, USA
September 13, 2005
This marks only about the fourth yellowjacket specimen I've seen all year. There has been no shortage of paper wasps though...

Interesting information
Here in western Switzerland too, there has been a dramatic shortage of yellowjackets - and of the hornet - this year, as I never saw before. As a consequence, Polistes dominulus and (to a lesser degree) Polistes nimphus were the only common social wasps left.
The more or less marked scarcity of foundresses of Vespa, Vespula and Dolichovespula next spring will tell how long it will take to recover, if ever...

Nice shot
showing diagnostic continuous yellow ring around the eyes and the diamond shaped black mark on tergum 1.
Moved it to page

Comment viewing options
Select your preferred way to display the comments and click 'Save settings' to activate your changes.