Symphytum officinale, Bunderbos

‘head’ and rear end

front and rear spiracula, lateral

front and rear spiracula, dorsal

mandibles and mouth field; mandibles with 2 teeth, stron ppppp0gly alternating

rear end, dorsal, to show the ‘hips’

spinulation of the ‘hip’, dorsal and lateral

The mandibles alternate (difference with A. abiens!); remarkably, the right mandible is larger than the left one. Within the subfamily Agromyzinae it is the rule that, if the mandibles differ in size at all, the left one is the largest (Griffiths, 1962a).

17.x.2007