White Scrub-Hairstreak
Common NameWhite Scrub-Hairstreak
Scientific NameStrymon istapa
FamilyLycaenidae
SubfamilyTheclinae
Wingspan (mm)27
Primary Colorsgray, brown, white, orange, black
HabitatOpen fields, scrubland, gardens, forest edges, disturbed areas
Geographic RangeSouthern United States (Florida, Texas, Arizona, California), Mexico, Central America, South America
Host Plantsmallow, sida, various Malvaceae species
Flight PeriodYear-round in tropical regions; spring to fall in temperate areas
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on the buds or flowers of host plants. Larvae are slug-like and feed on flowers and fruits, pupating on or near the host plant.
Identification TipsKey features include the distinct white postmedian line on the hindwing underside, the two prominent orange-capped black spots, and the two short tails. The white line is often straighter and more defined than in similar hairstreak species.
Description
A small hairstreak with grayish-brown undersides featuring a prominent white postmedian line and two orange-capped black spots near the hindwing tails. The upperside is typically duller brown.
