Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Happy Pollinator Week: June 21-27, 2021! Butterflies and moths are pollinators of many flowering plants.

Did you know? The Hummingbird Clearwing (Hemaris thysbe) hovers in flight and uses its long tongue to sip nectar from flowers.

Tropical Checkered-Skipper
Pyrgus oileus (Linnaeus, 1767)


Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside is dark brown with pale markings; male forewing has a mat of long blue-gray hairs; hindwing of both sexes has marginal and submarginal bands made up of equal-sized spots. Underside of hindwing is pale, often with a strong brown overlay; not much contrast between bands and ground color.
Wing Span: 1 1/4 - 1 1/2 inches (3.2 - 3.8 cm).
Life History: Males perch and patrol for receptive females. Eggs are laid singly on the uppersides of host plant leaves. Caterpillars feed and live in the shelter of a webbed leaf.
Flight: Four to five broods throughout the year in South Texas and Florida.
Caterpillar Hosts: Several plants in the mallow family (Malvaceae) including axocatzin (Sida rhombifolia), mallow (Malva), hollyhock (Althaea rosea), velvet-leaf (Abutilon), and malva loca (Malvastrum).
Adult Food: Nectar from flowers of Sidas and small-flowered composites such as shepherd's needles.
Habitat: Open, sunny areas including pastures, brushy fields, wooded trails, thorn-scrub, and roadsides.
Range: Peninsular Florida, the Gulf Coast, and South Texas south through the West Indies, Mexico, and Central America to Argentina.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL