Synonyms and other taxonomic changes
Includes species formerly placed in Paraclunio.
Identification
Distinguished from closest relatives by trilobed fifth tarsomeres and lack of acrostichal bristles. Male and female both have short antennae with few hairs. Wing lacking vein R2+3.
Range
Native range in North America limited to Pacific coast. The introduced T. japonicus is now found along most of the Atlantic coast.
Habitat
Rocky marine shores worldwide; fast moving fresh water in Hawaii
Food
Adults are short-lived and may not feed. Larvae eat algae.