Populus tremula, Rheden: thorax; meso- and metanotum without a pit at their rear margin

abd-7 ventrally with a small group of outwards pointing spines

the frontal appendage is remarkably sharp; cremaster (seen ventrally) with distinct but short spines (one of the outer pair was abortive)

spinulation is fine and regular

See Gregor & Patočka (2001a) and Patočka & Turčáni (2005a) for a description.

mod 22.iii.2019