These small catch and release popups can be folded and placed easily in your pocket. It is ideal for several applications:

• Taking into the field to collect and release small butterflies and moths
• Emerging individual butterflies by placing chrysalids at the bottom of the cage or attaching them on the side or on the lid
• Obtaining eggs from live female butterflies including buckeyes, toirtoiseshells, checkerspots, crescent spots, blues, and skippers
• Placing a wandering last instar swallowtail caterpillar so that it can form a chrysalis