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pearl crescent (Phyciodes tharos)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONFIRMATION STATUS: Confirmed.


FAMILY: Brush-footed Butterflies (Nymphalidae)
SUBFAMILY: True Brushfoots (Nymphalinae)


IDENTIFICATION: Quite variable. Males usually have black antennal
knobs. Upperside is orange with black borders; postmedian and
submarginal areas are crossed by fine black marks. Underside of
hindwing has a dark marginal patch containing a light-colored crescent.
Spring and fall broods (form marcia) have a gray mottled hindwing below.


LIFE HISTORY: Males patrol open areas for females. Eggs are laid in small
batches on underside of host plant leaves. Caterpillars eat leaves and are
gregarious when young. Hibernation is by third-stage caterpillars.


FLIGHT: Several broods; from April-November in the north, throughout
the year in the Deep South and Mexico.


WING SPAN: 1 1/4 - 1 3/4 inches (3.2 - 4.5 cm).


CATERPILLAR HOSTS: Several species of smooth-leaved true asters
including Aster pilosus, Aster texanus, and Aster laevis.


ADULT FOOD: Nectar from a great variety of flowers including dogbane,
swamp milkweed, shepherd's needle, asters, and winter cress.


HABITAT: Open areas such as pastures, road edges, vacant lots, fields,
open pine woods.


RANGE: Southeastern Alberta south through Montana, Wyoming,
Colorado, New Mexico, Arizona, and southeastern California to Mexico;
east to southern Ontario and all the eastern United States.


CONSERVATION: Not usually required.


NATURESERVE GLOBAL STATUS: G5 - Demonstrably secure globally,
though it may be quite rare in parts of its range, especially at the
periphery.


MANAGEMENT NEEDS: None reported.


SKY MEADOWS OCCURRENCE:

 

Note: Due to seasonal conditions in this region, occurrence may vary from

year to year. The designation of occurrence may range over two or more

categories and may vary even during a single season.

 

Key to Checklist

A   Abundant: Easy to see very large numbers of individuals in appropriate habitat
      at proper time of year.

C   Common: Usually each to see good numbers of individuals in appropriate habitat
      at proper time of year.

U   Uncommon: Sometimes found in appropriate habitat and proper time of year,
      usually in low numbers.

O   Occasional: Found in appropriate habitat perhaps only a few times a year, usually
      in low numbers.
R   Rare: Small chance of being found, even in appropriate habitat at proper time of
      year. There are few individuals and may not be present every year.
X   Extirpated: Formerly present, no longer occurs in Sky Meadows Park.

 

      January

      February

      March

      April
      May

      June

      July

      August

      September

      October

      November

      December

 

 

Back to Inventory of Butterfly Families and Species

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