Figure 4 from: Boyd OF, Erwin TL (2016) Taxonomic review of New World Tachyina (Coleoptera, Carabidae): descriptions of new genera, subgenera, and species, with an updated key to the subtribe in the Americas. ZooKeys 626: 87-123. https://doi.org/10.3897/zookeys.626.10033

Figure 4 - Illustrations of left elytron, lateral view, showing variation in the form of the 8th elytral interneur (other interneurs not shown) among newly described taxa. A Stigmatachys uvea (holotype, ♀) B Polyderidius sp. C Nothoderis sp. D Meotachys (Scolistichus) riparius; E Meotachys (Hylotachys) ballorum; F Elaphropus (Ammotachys) marchantarius G Elaphropus (Idiotachys) acutifrons H Elaphropus (Nototachys) occidentalis I Tachyxysta howdenorum. Scale bars = 0.25 mm.