14304_kop

Chenopodium, St. Pietersberg: “head”

14304_mapd14304_asp

mandible and front spiraculum


12703_mand

Atriplex, Amsterdam: mandible, vitrified in chloralphenol

Pegomya hyoscyami: cephalix skeleton of 3rd instar larva

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).

mod 14.iv.2018