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Species Detail
Avalon Scrub-Hairstreak
Strymon avalona (W.G. Wright, 1905)
Attributes of Strymon avalonaFamily: Gossamer-wing Butterflies (Lycaenidae) Subfamily: Hairstreaks (Theclinae) Identification: One short tail on the hindwing. Upperside gray; hindwing with red or yellow spot near tail; may have small white spots at margin. Underside ashy gray, slightly darker on inner half of wing. Submarginal and postmedian lines faint or lacking. Life history: Eggs are laid on terminal buds and on flower buds. Flight: Many broods from February-December. Wing span: 3/4 - 1 inch (1.9 - 2.5 cm). Caterpillar hosts: Silverleaf lotus (Lotus argophyllus var. ornithopus) and deerbrush (Lotus scoparius). Adult food: Nectar from flowers including common sumac (Rhus laurina) and giant buckwheat (Eriogonum giganteum). Habitat: Chaparral and grassy areas. Range: Found only on Santa Catalina Island, off the coast of southern California. Conservation: This species is one of the most limited U. S. species and should be conserved. NatureServe Global Status: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range). Management needs: Maintain stands of host plants. Prevent loss or destruction of habitat. | Documented Records for Strymon avalona
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