Ceratitis capitata

Definition

A tephritid fruit fly species native to sub-Saharan Africa and now invasive in Mediterranean climates worldwide; one of the most economically destructive agricultural pests due to its broad host range spanning hundreds of fruit species. Adults are yellow-brown with patterned wings; larvae tunnel through ripening fruit pulp, causing direct damage and secondary infection. The species has been repeatedly intercepted and eradicated in California, Florida, and Texas through intensive sterile insect technique (SIT) programs, quarantine, and pesticide applications.

Etymology

From Greek keratitis (horn-like, referring to facial structures) + Latin capitata (having a head, large-headed), describing the adult's prominent facial markings.

Example

Ceratitis capitata infestations in California trigger emergency eradication protocols including aerial malathion bait spraying and the release of millions of sterile males per week to prevent establishment in the state's $5 billion fruit industry.

Synonyms

• Mediterranean fruit fly
• medfly

Related Terms

• Tephritidae
• Diptera
• quarantine pest
• sterile insect technique
• fruit fly
• Drosophila suzukii
• Bactrocera dorsalis

Usage Notes

Distinguished from Drosophila (vinegar flies) by larger size, wing patterns, and economic impact; 'medfly' is the standard vernacular in agricultural and regulatory contexts. Not closely related to any native Western Hemisphere tephritids, making it a high-priority exclusion target.