Tenthredo bifasciata is a species of sawflies of the family Tenthredinidae.Biolib
Subspecies Source:Les insectes 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.Fauna europaea
Habitat Tenthredo bifasciata mainly lives in meadows, especially close to forestry areas.
Description Tenthredo bifasciata can reach a length of .Commanster 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.John Wilke Encyclopaedia Londinensis, Vol. 23
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.
References
External links Bembix