Archives

Thorne’s hairstreak butterfly

Callophrys thornei Habitat: Cypress woodlands, chaparral; elevation 1,000–4,500 feet Survey Window: Determined by emergence of species (approx. Apr 1–May 30 • Five weekly diurnal surveys

Euphydryas editha quino Habitat: Open; elevation below 5,000 feet Survey Window: Third week of February–second Saturday in May • If detected, minimum 5 diurnal surveys; otherwise, at least 13 surveys • Minimum 4-day interval between surveys • Weather conditions may alter survey season • Survey period and number may be..Read More

Laguna Mountains skipper

Pyrgus ruralis lagunae Habitat: Meadow; elevation 3,900–6,000 feet Survey Window: Apr 15–Jul 31 • Two-year survey • Weekly visits during entire season (19 surveys)

Hermes copper butterfly

Lycaena hermes Habitat: Woodlands, chaparral, coastal sage scrub; elevation 200–4,000 feet Survey Window: third full week of May–first full week of July • Four diurnal surveys; 8- to 14-day intervals • Look for spiny redberry associated with buckwheat that occurs within 15 feet • Learn more about critical habitat and..Read More

Harbison’s dun skipper

Euphyes vestris harbisoni Habitat: Oak woodlands, wooded riparian Survey Window: Determined by emergence of species (approx. late spring–early summer • Five weekly diurnal surveys • Alternatively, year-round, perform single-pass survey of patches of Carex spissa for evidence of grazing or characteristic tent structures

Delhi sands flower-loving fly

Rhaphiomidas terminatus abdominalis Habitat: Delhi sand and dune substrates in western Riverside and San Bernardino Counties Survey Window: Jul 1–Sep 20 • Two-year survey • Two visits per week (16–18 visits) • Survey season may be altered by USFWS