Neoglocianus maculaalba (Herbst, 1795)
on Papaver
Papaver somniferum, Hungary, Halászi, 1.vii.2016 © László Érsek: infected fruit
opened fruit with karvae
group of larvae
larva, detail
Papaver somniferum, Hungary, Mosonmagyaróvár, 7.vi.2012 © László Érsek: imago
another specimen
gall
eggs are deposited in a young ovary; the bore openings are recognisable by latex flowing out. The gregarious larvae feed on the developing seeds; the fruit withers. Full grown larvae drop to the ground and pupate; univoltine. Hibernation as adult, 10-40 cm deep in the soil.
host plants
Papaveraceae, monophagous
Papaver dubium, hybridum, rhoeas, somniferum.
larva, pupa
See Rozsypal & Povolný.
synonyms
Ceutorrhynchus macula-alba.
notes
a pest in southern Europe in poppy seed cultivation
references
Avgın & Colonnelli (2011a), Behne (1981a), Compte (1981a), Delbol (2008a, 2013a), Dieckmann (1972a), Quesada-Moraga, Goerlich-López, Marín & Santiago-Álvarez (1998a), Rheinheimer & Hassler (2010), Rozsypal & Povolný (1977a), Scholze (1991a), Sert (2009a), Stancă-Moise (2016a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).