Insects · La Saladita, Guerrero

Glaucous Cracker

Hamadryas glauconome

Spanish: Tronadora de ala blanca

Hamadryas glauconome, the pale cracker or glaucous cracker, is a species of cracker butterfly in the family Nymphalidae. It was described by Henry Walter Bates in 1864 and is found in Mexico, Central America and south to Peru. It has been recorded as a vagrant in the United States in southern Florida, Arizona and Texas.

TaxonomyInsecta › Lepidoptera › Nymphalidae

Local records22 research-grade observations within about 50 km of La Saladita (the survey box also takes in Zihuatanejo, Ixtapa and Troncones)

Global records1,400 on iNaturalist

Most recent records2025 – 2026

Months of the 8 most recent records

JanFebMarAprMayJunJulAugSepOctNovDec

Recent local sightings

2026-07-09 — observation by olgajudith
2026-06-29 — observation by naturazihua-24
2026-02-11 — observation by zihuadean
2026-01-13 — observation by zihuadean
2025-11-18 — observation by zihuadean
2025-07-24 — observation by olgajudith

Interactive card with more photos, sounds and similar species Insects guide iNaturalist Wikipedia

Cite as: “Glaucous Cracker (Hamadryas glauconome) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/hamadryas-glauconome/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.