Longipalpis Sandfly vs Window Fly

Side-by-side species comparison

Attribute Longipalpis Sandfly Window Fly
Scientific Name Lutzomyia longipalpis Scenopinus fenestralis
Order Diptera Diptera
Family Psychodidae Scenopinidae
Size 2-3 mm 5-7 mm
Habitat Underground Indoors
Diet Blood Feeders Predators
Regions Central and South America, Mexico to Argentina Worldwide
Conservation Least Concern Least Concern

Longipalpis Sandfly

A small, pale-brown sandfly that is the most important vector of visceral leishmaniasis in the Americas. Males produce sex pheromones from glands on the abdomen to attract females. It breeds in organic-rich soil around chicken coops and animal shelters.

💡

Did You Know?

Males produce terpene pheromones that attract females, and different populations produce different pheromones, suggesting cryptic species.

Window Fly

A small shiny black fly often found on windowsills inside buildings. Its larvae are beneficial predators of carpet beetle and clothes moth larvae.

💡

Did You Know?

Despite being found indoors, it is actually beneficial because its larvae eat destructive carpet beetles.