Tenthredo bifasciata

Tenthredo bifasciata is a species of sawflies of the family Tenthredinidae.

Subspecies

 * Tenthredo (Cephaledo) bifasciata bifasciata O. F. Muller, 1766 – head and thorax are blackish brown, front and middle tibias are entirely black
 * Tenthredo (Cephaledo) bifasciata rossii (Panzer, 1804) - clear or silvery pubescence, white middle and lower tibias
 * Tenthredo (Cephaledo) bifasciata violacea (Ed. Andre, 1881) - pronotum widely yellow (Eastern Europe)

Distribution
This species can be found in Europe.

Habitat
Tenthredo bifasciata mainly lives in meadows, especially close to forestry areas.

Description
Tenthredo bifasciata can reach a length of 11 - 13 mm. The thorax and head are blackish brown. Abdomen shows one or two transversal white or pale yellow bands, sometimes interrupted. Wings are yellowinsh-brown and transparent.

Biology
These sawflies can be encountered from July to August. Adults mainly feed on nectar and pollen of Apiaceae, especially on Heracleum sphondylium. Larvae feed on Sonchus arvensis.