Chenopodium, St. Pietersberg: “head”
mandible and front spiraculum
Atriplex, Amsterdam: mandible, vitrified in chloralphenol
cephalic skeleton of 3rd instar larva (from Dušek, 1970a).
The angle between the distal and the penultimate tooth of the mandible is quite sharp (d’Aguilar & Missonier, 1957a, 1962a); see also the drawing by Starý (1930a).