Zaleops umbrina

Distinguished from similar erebid moths by the combination of uniformly dull gray-brown forewings without strong contrasting markings, and the relatively plain hindwings. The genus Zaleops is distinguished from related genera by genitalia morphology; species-level identification relies on subtle differences in wing pattern intensity and body size compared to the very similar Zaleops peruviensis, which occurs further south.

Adults have broad, triangular forewings with a muted gray-brown to dark brown ground color. The wings display subtle patterning with darker transverse lines and a slightly paler reniform spot. The hindwings are paler, often grayish with faint discal markings. Wingspan approximately 25-35 mm. Body is moderately stout with a fuzzy thorax.

Deciduous and mixed woodlands, forest edges, and suburban areas with mature trees. Adults are found near areas with suitable larval host plants.

North America, with records from the eastern United States and Canada west to the Great Plains. Range extends from southern Ontario and Quebec south to Florida and west to Texas and Kansas.

Adults active from late spring through summer, with peak flight period June to August in most of range. Multiple broods possible in southern portions of range.

Complete metamorphosis with egg, larva, pupa, and adult stages. Larval host plants are poorly documented but suspected to include woody plants based on related species. Overwintering stage unknown.

Adults are nocturnal and readily attracted to artificial light sources. Rest with wings folded roof-like over body during daytime.

Adults may serve as pollinators of nocturnally flowering plants. Larvae likely function as herbivores on woody vegetation.

Occasional visitor to porch lights and moth surveys; no significant economic or agricultural impact documented.

• Zaleops peruviensisOverlaps in general appearance and was historically confused with Z. umbrina; distinguished by more southern distribution and subtle differences in male genitalia
• Zale galbanataSimilar dull gray-brown erebid moth with comparable size and wing shape; distinguished by more prominent forewing markings including a distinct dark basal dash
• Hypena spp.Similar snout-like palps and resting posture; distinguished by more triangular forewing shape and usually more contrasting pattern elements

• moth
• erebidae
• nocturnal
• north america
• woodland

• BugGuide
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life