Mecinus janthinus Germar, 1821
on Linaria
gall
the larvae, often in numbers, tunnel in the stem, causing a swelling and purple discolouration. Pupation in the tunnel.
host plants
Plantaginaceae, narrowly oligophagous
Linaria repens, vulgaris; Microrrhinum minus.
Adults also observed on Linaria angustissima, genistifolia, “rubioides subsp. nissana”
references
Buhr (1964a), Caillol (1954a), Caldara & Fogato (2013a), Dauphin & Aniotsbehere (1997a), Delbol (2013a), Douglas, Bouchard, Anderson ao (2013a), Houard (1909a), Rheinheimer & Hassler (2010a), Wilson, Singh, Piper ao (2005a).