Hypera nigrirostris (Fabricius, 1775)
lesser clover leaf weevil
on Trifolium
gall
oviposition at the base of a flowering stem. From there the larva works itself up as a borer, to finally feed on the developing flower parts. Pupation in a globular, white, reticulate cocoon among the leaves.
host plants
Fabaceae, ? oligophagous
Trifolium alpestre, fragiferum, hybridum, incarnatum, medium, pratense, repens.
Also reported from Medicago x varia, and Ononis spinosa.
phenology
Bivoltine; hibernation as imago.
distribution within Europe
larva
Yellowish brown, pinacula black; see Dieckmann; see also Skuhrovec (2005b).
synonyms
Phytonomus nigrirostris.
parasitoids, predators
references
Balalaikins (2012b), Buhr (1965a), Colonnelli, Osella & Cornacchia (2011a), Compte (1981a), Dieckmann (1989b), García (2009a), Mifsud & Colonnelli (2010a), Rheinheimer & Hassler (2010a), Skuhrovec (2005b) (2005a, b), Ugarte San Vicente (2005a), Weiss & Gillott (1993a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).