Listing
May 22, 1984
May 22, 1984 Listing
Review of Invertebrate Wildlife for Listing as Endangered or Threatened Species; 49 FR 21664-21675
- Publication type: CNOR
Item 1
FWS Focus
Overview
Characteristics
Overview
Bartram’s scrub-hairstreak butterfly measures only an inch in length. Its gray color blends into the limestone of the pine rocklands where it lives, with distinctive rust-colored splashes and white and black borders lining its wings making it easy to identify.
Threats
The leafwing only occurs in pine rocklands, which is a globally designated imperiled ecosystem. The main threats to the species are the destruction of pine rockland habitat, disease, predation, parasites, fire suppression, use of insecticides for mosquito control, and poaching.
Scientific Name
Strymon acis bartrami
Common Name
Bartram's hairstreak Butterfly
FWS Category
Insects
Identification Numbers
Characteristics
Characteristic category
Habitat
Characteristics
Habitat
Bartram's scrub-hairstreak butterfly only occurs in pine rockland habitats.
Characteristic category
Life Cycle
Characteristics
Reproduction
The female butterflies lay eggs on the pineland croton plant, contributing significantly to the pollination of this host plant.
Characteristic category
Food
Characteristics
Food
While the pineland croton is their favorite for nectar, these butterflies also feed on the nectar from a variety of plants like pine acacia, Spanish needles, and saw palmetto, among others.
Characteristic category
Behavior
Characteristics
Behavior
Known for being sedentary, these butterflies are also adept at evading natural disturbances, which allows them to recolonize and spread across their pine rockland habitat effectively.
Characteristic category
Physical Characteristics
Characteristics
Size & Shape
With a body length of one inch, the Bartram’s scrub hairstreak has a gray base color. Patches of rust adorn the wings lined with white and black, making them quite distinctive.
Geography
Characteristics
Range
Once common throughout Miami-Dade and Monroe counties, the Bartram’s scrub-hairstreak now has a much more limited distribution, primarily on Big Pine Key and in select conservation areas within Miami-Dade County.
Timeline
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19 Items