Chamaesphecia nigrifrons (Le Cerf, 1911)
on Hypericum
parasite
The larva bores in the roots. In the autumn the larva makes a short up in the
base of stem, all the while extruding a large quantity of reddish brown sawdust of of its mine. At the top of the vertical tunnel the plant is severed and mostly breaks off. The larva hibernates in the stump and pupates there in the spring.
host plants
Hypericaceae, monophagous
Hypericum hirsutum, perforatum.
phenology
The larva lives one year.
distribution within Europe
larva, pupa
Larva and pupa are extensively described by Bąkowski.
synonyms
Chamaesphecia sevenari Lipthai, 1961.
references
Bachelard (2014a), Bąkowski (2013b), Bąkowski & Hołowinski (2010a), Ebert (ed., 1997a), Lantz (2015a), Laštůvka & Laštůvka (2001a), Predovnik (2005a, 2010a), Pühringer (2004a), Špatenka (1987a), Špatenka & Laštůvka (1983a), Steeman & Sierens (2018a).