This bee is one of eleven British species in the subgenus Micrandrena. These are very small species (body length 5–7 mm) that have an entirely black body integument relieved only by feeble transverse lateral bands of silvery hairs on tergites 2–4. Several species present difficult challenges to identification, as this often requires an appreciation of very subtle differences in surface microsculpture on the metasomal tergites and puncture density on the mesonotum. More pictures and notes … Read more
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If you need to add a newsletter file, or other file to the Downloads page, then select Content management > Create content > Download from the menu at the top. Enter a title for the download, though bear in mind this title is not shown to users so just needs to explain the file to other site editors. You must enter a description for the file though which will be shown to the users when they browse the files. This can be a comprehensive description if required. Finally, click the Choose… Read more
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Information sheets are normally created when you set up a species account page. Once entered they will automatically appear on the Information Sheets page. However you may need to upload information sheets that are not species specific, for example a general sheet about bumblebees. To do this, follow these steps:
Select Content management > Create content > Other Information Sheets from the menu.
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You can create news articles by selecting Content management > Create content > Story from the menu at the top. Enter a Title and fill in the main content for the news article in the Body box. Optionally you can upload a second piece of content into the Top right box which will appear alongside the body text when the user views the news article.
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A small black solitary wasp. Identification keys are given in Yeo & Corbet (1995), Lomholdt (1984) and Richards (1980).
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Disagreement exists considering the definition of this name. Linsenmaier (1997) treats this taxon as a subspecies of C. ignita. Kunz (1994) considers C. impressa to be a synonym of C. ignita. Morgan (1984) regards C. impressa as a separate species from C. ignita. Here it is meant in the sense given by Morgan (1984).