Liebebiella vera

General appearance
Body size small medium up to about 5mm long (excluding antennae & cerci)
Body color yellow brown; thoracic nota with some brown markings
Body shape dorso-ventral flattened

Head
The details for mouthparts illustrated in the following pictures

Thorax
Hindwing pads present, but reduced
Femora with a row of long pectinate setae dorsally
Fore tibia with a row of setae, but two rows on mid & hind tibiae (cf. one row in Baetiella trispinata)
Tarsi with a single long subapical seta ventrally, tarsal claw with one row of 8 - 9 denticles
The details for each leg illustrated in the following pictures

Abdomen
Gills I - VII single, tracheated (shown clearly in mature larvae)
Small paired dark brown spots on terga II - IX
Central filament is reduced to about 10 segments giving a two-tailed impression; cerci length short in 0.6 times of body length

Legs

 

The mouthparts of labrum, mandibles, maxillae and labium are illustrated as follow (hypopharynx is excluded).

Labrum

Mandibles

Maxillae

Labium

 

Distribution:
In Hong Kong, specimens are recorded from Pui O, Sam Tsuen, Shek Mun Kap and Wang Lung Hang Stream (Lantau Island), Tai Po Kau Forest Stream, Lam Tsuen River, Shing Mun, Chuen Lung, Tan Shan River, Ho Chung, Tai Mong Tsai, Ko Tong Ha Yeung and Sha Kok Mei Nam Wai (Sai Kung).