Guide to Andricus kollari

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There has been a recent surge in interest of gall forming wasps, particularly the Andricus genus with several new and ‘un-common’ species being identified in South Lancashire. Andricus are a particularly nice group as the species can be largely identified through the careful examination of their galls. This group is also generally poorly recorded so new finds will often add to our knowledge of their distribution in the local area.

As a result Merseyside BioBank Database Volunteer Jim Pearson has put together a guide based on his literature review of this and related species occurring in the local area. The guide includes information on the ecology and biology of Andricus kollari as well as information on the current known local distribution.