Tenthredo bifasciata explained

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

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.

Description

Tenthredo bifasciata can reach a length of 11-.^[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]

External links

• Bembix

Notes and References

1. https://www.biolib.cz/en/taxon/id278429/ Biolib
2. http://aramel.free.fr/INSECTES14-41.shtml Les insectes
3. https://web.archive.org/web/20160921052610/http://www.faunaeur.org/full_results.php?id=354367 Fauna europaea
4. http://www.commanster.eu/commanster/Insects/Bees/SpBees/Tenthredo.bifasciata.html Commanster
5. John Wilke Encyclopaedia Londinensis, Vol. 23