Gall Week May 2025 event

This Gall Week event will focus on the elusive spring galls. Many gall Wasps, for example, have two alternate generations. Their spring galls are home to the bisexual generation, therefore include both male and female wasps inside. The larvae develop quickly, pupate, and the adults hatch, meet, and mate, and finish their life cycle. Let's try and document as many as we can - there are still many new species waiting to be discovered! 

Make observations between 5/3-11, and add them manually to our iNaturalist project Gall Week May 2025. 

How to get started? 

You can look for specific host plants, specific groups of gall inducers, or anything you find interesting. If you've never done this before, you can check what are the best host plants in your area. You can use gall or insect books from your area, websites (such as Gallformers.org), and iNat. We highly recommend listening to…