250 
Psyche 
[Vol. 88 
Fig. 3. Gaster of a media of Orectognathus versicolor, (a) SEM picture; arrow 
indicates opening of pygidial gland, (b) Sagittal section through gaster of a media. 
PG = pygidial gland; R = reservoir of pygidial gland; D = Dufour’s gland; S = 
stinger. 
