![Crone lab: Two people holding butterfly nets](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-alex-1920x1280_0.jpg?itok=6bbHDjsy)
Photo Galleries
![Crone lab: Two people holding butterfly nets](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-alex-1920x1280_0.jpg?itok=6bbHDjsy)
![Crone Lab: Pieris project](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-nat-pieris-1920x1280.jpg?itok=4YzRjYdT)
Nat's Pieris project in Medford, MA (2010-2018)
![Crone Lab: Person at table performing lab work](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-nat-bumblee-1920x1280.jpg?itok=DeJRFEnb)
Nat's bumblebee work in Davis, CA (2015-2018)
![Crone Lab: Close-up image of hand touching plant](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-costa-rica-1920x1280.jpg?itok=CYtRcGnY)
Cronians in Costa Rica (2017)
![Crone Lab: Fieldwork](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-jblm-1920x1280.jpg?itok=LvT-3yFI)
Crone Lab Fieldwork, JBLM
![Crone Lab: Monarch butterfly](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-monarch-1920x1280.jpg?itok=_W0kN68Z)
Monarch fieldwork, MA
![Crone Lab: Acorns](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-mouse-1920x1280.jpg?itok=drag91XW)
Mouse fieldwork, Harvard Forest
![Crone Lab: Colony of bumble bees](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-bumblebee-1920x1280.jpg?itok=ii3DeLy-)
Bumble bee fieldwork, Tufts and UC Davis
![Crone Lab: Bartram's larva](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-bartram-640x426.jpg?itok=ITt1n4uU)
Bartram's Scrub-Hairstreak fieldwork, Florida
![Crone Lab: Woman sitting at desk](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-around-500x333.jpg?itok=AdbS2jo3)
Around the Lab
![Crone Lab: Butterfly](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-checkerspot-1375x916.jpg?itok=zGFM8Ish)
Checkerspot fieldwork, Massachusetts
![Crone Lab: Sugar maple fieldwork, Harvard Forest](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-sugar-maple-720x480.jpg?itok=UMQD55EA)
Sugar maple fieldwork, Harvard Forest
![Crone Lab: Montana](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-montana-720x480.jpg?itok=uPYA3VNg)
Whitebark pine and Astragalus fieldwork, Montana
![Crone Lab: Close-up image of hand holding butterfly](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-fender-1920x1280.jpg?itok=eiTjvN_R)
Fender's blue fieldwork, Oregon
![Crone Lab: Finland](/biology/sites/g/files/lrezom211/files/styles/large/public/2022-10/lab-crone-flickr-finland-1920x1280.jpg?itok=tST3NlH-)