(No common name)

FAMILY

Hydroptilidae

TAXONOMY

Abtrichia antennata Mosely, 1939, Santa Catharina, Brazil.

OTHER COMMON NAMES

None known.

PHYSICAL CHARACTERISTICS

With a forewing length of 0.16 in (4 mm), this is one of the largest species of the family (all Hydroptilidae are small in size, less than 0.24 in [6 mm]). Males have big projections on their heads, and their antennae have enlarged basal articles.

DISTRIBUTION

Southern Brazil, western Uruguay, and eastern Argentina.

HABITAT

Streams and rivers with stone beds.

BEHAVIOR

Mature larvae build oval convex cases and attach them to rocks; the cases have one opening on each end.

FEEDING ECOLOGY AND DIET

Larvae feed on algae growing on rocks.

REPRODUCTIVE BIOLOGY

Nothing is known.

CONSERVATION STATUS

Not threatened.

SIGNIFICANCE TO HUMANS

None known.