Phthona

Phthona is a genus of biting flies in the family of louse flies, Hippoboscidae. There are 3 known species. All are parasite of falconets of the genus Microhierax.

Distribution
All species are found in South East Asia.

Hosts
They found on birds of the genus Microhierax - species: collared falconet (M. caerulescens), Philippine falconet (M. erythrogenys) and the pied falconet (M. melanoleucus)

Systematics

 * Genus Phthona Maa, 1969
 * P. leptoptera (Maa, 1963)
 * P. modesta (Maa, 1963)
 * P. nigrita (Speiser, 1905)