Tenthredo bifasciata

Tenthredo bifasciata is a species of sawflies of the family Tenthredinidae.^[1]

Tenthredo bifasciata
Tenthredo (Cephaledo) bifasciata
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Suborder:	Symphyta
Family:	Tenthredinidae
Genus:	Tenthredo
Species:	T. bifasciata
Binomial name
Tenthredo bifasciata O. F. Muller, 1766

Subspecies[2]

• 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.^[3]

Habitat

Tenthredo bifasciata mainly lives in meadows, especially close to forestry areas.^[4]

Description

Tenthredo bifasciata can reach a length of 11–13 millimetres (0.43–0.51 in).^[4] 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.^[5]

Biology

These sawflies can be encountered from July to August.^[4] Adults mainly feed on nectar and pollen of Apiaceae, especially on Heracleum sphondylium.^[4] Larvae feed on Sonchus arvensis.^[4]