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


Taxonomy
Browse
InfoImagesLinksBooksData

Genus Ectemnius


Square-headed Wasp ID Request - Ectemnius lapidarius - male Is this Ectemnius lapidarius? - Ectemnius lapidarius - male Wasp IMG_4024 - Ectemnius lapidarius Small wasp - Ectemnius lapidarius Crabroninae (Square-headed Wasp), lateral - Ectemnius ruficornis Ectemnius ? - Ectemnius Ectemnius lapidarius nesting in tree stump - Ectemnius lapidarius Ectemnius lapidarius - male - female

Smallish hymenoptera - Ectemnius dives Smallish hymenoptera - Ectemnius dives Crabronidae ? - Ectemnius dives Crabronidae ? - Ectemnius dives P&M Wasp 1 - Ectemnius borealis - female Ectemnius dives Ectemnius rufifemur? - Ectemnius dives Ectemnius rufifemur? - Ectemnius dives

Wasp ID Request - Ectemnius scaber Square-headed Wasp - Ectemnius continuus Unknown Square-headed Wasp Fundy National Park - Ectemnius continuus Ectemnius continuus yellow and black wasp foraging on flowers - Ectemnius decemmaculatus Crabronid - Ectemnius sonorensis crabronid - Ectemnius decemmaculatus Ectemnius trifasciatus in New Brunswick - Ectemnius trifasciatus

Ectemnius...maculosus? - Ectemnius maculosus ID help please - Ectemnius maculosus - female Crabronidae wasp  - Ectemnius maculosus Square-headed Wasp - Ectemnius maculosus Ectemnius maculosus Crabroninae - Ectemnius maculosus crabronid - Ectemnius cephalotes - female Crabronidae sp ? - Ectemnius maculosus

Square headed wasp? - Ectemnius rufifemur Square-headed Wasp? - Ectemnius dilectus  Crabronidae, dorsal - Ectemnius rufifemur Wasp 419A 7174 & 7175 & 7177 - Ectemnius rufifemur Wasp 419A 7174 & 7175 & 7177 - Ectemnius rufifemur Wasp? - Ectemnius rufifemur Wasp 543A 8770 - Ectemnius dilectus Ectemnius? - Ectemnius dilectus