| Tenthredo, Hymenopterans, Tenthredo zonula, Tenthredo colon, Tenthredo atra|
Tenthredo bifasciata is a species of sawflies belonging to the Tenthredinidae family.
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)
Tenthredo bifasciata Wikipedia
This species can be found in Europe.
Tenthredo bifasciata mainly lives in meadows, especially close to forestry areas.
Tenthredo bifasciata can reach a length of 11–13 millimetres (0.43–0.51 in). 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.
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.