Stauropus

Dolinskaya, Irina V., 2019, The use of egg characters for the classification of Notodontidae (Lepidoptera), with keys to the common Palaearctic genera and species, Zootaxa 4604 (2), pp. 201-241 : 227

Stauropus

1 Egg height 1.1–1.2 mm, diameter 1.6–1.8 mm. Fresh egg white with pale-green tinge. Before caterpillar emergence egg becomes shining, pale-purple.......................................................................... S. fagi

- Egg small, height 0.7–0.9 mm, diameter 1.2–1.3 mm. Coloration bright, lemon-yellow....................... S. basalis