Central Arizona Butterfly Association

Phoenix Chapter of the North American Butterfly Association.

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The mission of CAzBA is to promote the enjoyment of recreational butterflying by providing educational, research, and recreational opportunities to schools and the public throughout central Arizona.

Weidemeyers Admiral

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Meetings and Events

Meetings are held mostly in the winter, and outdoor fieldtrips during the rest of the year. Depending on the temperatures, we will go to higher elevation areas to stay comfortable. Check our events schedule for details

Butterflying Locations

Click here for information on where to look for butterflies in Central Arizona


Click here for a checklist of butterflies of Arizona
Check List of Arizona Butterflies


Recent news

6/17/2024      Trip report Boyce Thompson Arboretum Butterfly Walk 15 June 2024 by Ron Rutowski

The trip on Saturday was more productive (20 species) and better attended (11 participants) than I thought it might be, which was good. Pipevine Swallowtail (1), Checkered White (6), Sleepy Orange (8), Mexican Yellow (1), Large Orange Sulphur (1), Dainty Sulphur (4), Southern Dogface (2), Marine Blue (60), Ceraunus Blue (1), Western Pygmy-Blue (1), Gray Hairstreak (4), American Snout (2), Common Buckeye (1), Empress Leilia (5), Queen (20), Funereal Duskywing (4), Common/White Checkered-Skipper (3), AZ Powdered-Skipper (1), Northern White-Skipper (3), Fiery Skipper (1) read more »

5/30/2024      Fieldtrip report: Col. Devin Trail, 25 May by Marceline VandeWater

The weather was very pleasant but could have been a bit sunnier this year! 14 Participants started up the col. Devin Trail from Washington Park Trailhead and in the beginning the butterflying was really slow. In the end though: 24 species of butterflies were seen within the group, with Western Pine Elfin and Morisson’s Skipper being the most special, but Zela Metalmark the photo-op favorite. Total list: Two-tailed Swallowtail (3), Checkered White (3), Dainty Sulphur (2), Orange Sulphur (4), Bramble Hairstreak (2), Marine Blue (6), Spring “Echo” Azure (6), Western Tailed-Blue (4), Gray Hairstreak (1), Western Pine-Elfin (1), Zela Metalmark (2), Northwestern “Atlantis” Fritillary (2), Mylitta Crescent (1), Common Buckeye (3), Red Admiral (1), Red-spotted Purple (2), Weidemeyer’s Admiral (1), Arizona Sister (3), Mourning Cloak (4), Funereal Duskywing (2), Silver-spotted Skipper (9), Northern Cloudywing (3), Morisson’s Skipper (1), Common Checkered Skipper (1). I want to thank all participants for a great trip! Hope you will come out again soon! read more »

3/30/2024      Status of Butterflies in the United States by John Wesley Powell Center

As part of a USFWS -USGS Powell Center funded Working Group, we evaluated trends in abundance for all butterfly species across the United States, using data from 35 monitoring programs. Almost a quarter of these species were declining at their range-wide continental scale and over half of the species declining in at least one USFWS region. Butterfly species are declining across all butterfly families and ecological traits provide little predictive power in explaining overall trends. However, almost a quarter of the species were increasing in at least one USFWS region. We discuss biases in these data with respect to likely drivers of butterfly declines, as well next steps for developing collaborative efforts across organizations to rebuild butterfly populations. read more »

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Upcoming Field Trips and Events

7/20/2024 9:00 AM - 2:00 PM Field trip Aspen Corner with Gail Morris and Marianne Jensen. 
8/17/2024 6:30 AM - 1:30 PM Fieldtrip "up north" with Ron Rutowski 
9/14/2024 8:00 AM - 12:30 PM Annual BTA Butterfly Count 
View all events »