Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Jalapus Cloudywing
Thessia jalapus (Plötz, 1881)


Family: Hesperiidae
Subfamily: Pyrginae
Identification: Upperside is dark brown; forewing has dark rectangular spots. Male forewing has a costal fold enclosing scent scales. Hindwing is lobed at the rear and has white fringe. Underside of hindwing is dark brown with 2 darker bands.
Wing Span: 1 5/8 - 1 7/8 inches (4.2 - 5 cm).
Life History: Not reported.
Flight: Many broods in Mexico; strays to South Texas in July and September-October.
Caterpillar Hosts: Not reported.
Adult Food: Flower nectar.
Habitat: Tropical forests, especially near streams.
Range: Colombia north through Central America to Mexico. Strays north to the lower Rio Grande Valley, Texas.
Conservation: Not necessary for a rare stray.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Alternate Scientific Names:
Achalarus jalapus (Plötz, 1881)
Get your BAMONA Gear!

Hoodies and t-shirts in two designs!


Advertise with us!

Do you have a product or service that you think would interest BAMONA users? If you would like to advertise on this website, contact us by email, or use the contact form and select the "Advertising" category.