Black
Form of coloro
Yellow
Form of coloro
Female
"black" Emerged 23
April 2017
Four yellow spots on
head/neck area
Photo
Details
- ŠNicky Davis
Members of the Utah
Butterfly Club went on an outing to Welcome
Springs, Washington County, Utah on 18 March 2017
where female Coloro butterflies were
located. The following week, Tony Jones
arranged the female coloros on host plant
to acquire ova. Todd Stout and Sheryl Stout
removed the ova from the host plant and placed in
containers for the members interested in rearing
the butterflies. Larvae began emerging from
ova March 29, 2017.
Host Plant
Turpentine Broom - Thamnosma montana
We used Fennel - Foeniculum
vulgare as host plant. Must be home
grown or pesticide used even on "organic" fennel
will kill the caterpillars in 5th instar or as
they go to pupate. Instead use Queen Anne's
Lace, a native plant, as a host plant.
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