Photos / Sounds

What

Nomad Bees (Genus Nomada)

Observer

emilychebul

Date

July 22, 2018 07:14 AM PDT
Nomad Bees - Photo (c) Max McCarthy, some rights reserved (CC BY-NC), uploaded by Max McCarthy
chelostoma's ID: Nomad Bees (Genus Nomada)
Added on April 16, 2019
Supporting

Photos / Sounds

What

Three-banded Mason Wasp (Ancistrocerus trifasciatus)

Observer

dhobern

Date

May 29, 2016 09:16 PM CEST

Description

Ancistrocerus trifasciatus (Müller, 1776), Søborg, Denmark, 29 May 2016

Keyed as follows, using Archer, 2014, The Vespoid Wasps of the British Isles:

  1. Posterior and lateral faces of the propodeum with surface structure not smooth
  2. Surface of second gastral sternite slighly convex posterior to ridged furrow. Ridges in furrow >2 times longer than distance between them.
  3. Weakly convex surface of 2nd gastral sternum merges gradually into furrow.
  4. Yellow band or spot on each of the anterior four gastral segments. First gastral tergite more than half as long as wide.
Three-banded Mason Wasp - Photo (c) Andrei, some rights reserved (CC BY-NC), uploaded by Andrei
chelostoma's ID: Three-banded Mason Wasp (Ancistrocerus trifasciatus)
Added on June 2, 2016
Supporting

Stats

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