Kalcapion semivittatum (Gyllenhal, 1833)

on Mercurialis

gall

oval, 1.5-2.5 mm large, unilocular swelling of stem or petiole; inside one weevil larva or pupa.

host plants

Euphorbiaceae, narrowly monophagous

Mercurialis annua.

Dauphin & Aniotsbehere additionally cite M. perennis.

synonyms

Apion semivittatum; A. germari Walton, 1844.

notes

In the western Canary Islands the subspecies K. s. fortunatum (Roudier, 1963).

references

Avgın & Colonnelli (2011a), Brito Castro & Oromí Masoliver (1986a), Buhr (1964a), Dauphin & Aniotsbehere (1997a), Delbol (2013a), Dieckmann (1977a), Friedman & Freidberg (2007a), Houard (1909a), Mifsud & Colonnelli (2010a), Morris (2011a), Rheinheimer & Hassler (2010a), Tavares (1905a), Tomasi (2014a).