Figure 4 A-B in The Tydeoidea (Ereynetidae, Iolinidae, Triophtydeidae and Tydeidae) - An online database in the Wikispecies platform

Figure 4 A-B – Tetranychus urticae; C – T. viburni; D – Tydeus goetzi; A – Dissecting microscope view; B-C – Facsimile of Koch's figures (same magnification) with some dorsal setae notation added; D – Compound microscope view, Agroscope Changins [Switzerland], routine black chlorazol coloration by Marc Baillod, scale bar = 100 µm. Koch's "Schulterborsten" correspond to scapular setaesc(1 andsc2) plus the subhumeral seta (c3). A – photoghraphy by Gilles San Martin. CC-BY.