proper clothes and shoes (hats not sunglasses during your survey)

wear insect repellent and sunscreen (ticks, mosquitos...)

don't forget your phone, field form

WATER, stay hydrated!

If you survey by yourself, make sure you tell someone about your plans and location of your survey route. Let them know when you get back home.

Having a printed copy of the butterfly cards can be a great resource to have in the field

You can use a net to capture and identify if your site allows

Close-focus binoculars