Mormidea cornicollis Stål, 1860

(Figs. 4, 5, 43–46; Tab. 2)

Eggs barrel-shaped; light yellow prior to embryonic development; operculum round and convex; chorion translucent and spinose (Fig. 4). Eggs darker, with two irregular red stripes and red eyes evident in anterior view after embryonic development (Fig. 5). The eclosion line not evident under SM, and the AMPs are circularly arranged in a row around the anterior pole, white, and moderately long (Figs. 4, 5).

Under SEM, the chorion surface is spinose, and the spines are short. The interconnected spines form faintly distinct polygonal markings at the lateral wall; the sculpture pattern is altered where the eggs were attached to another (Fig. 43). The operculum is similarly sculptured, displaying spines of different sizes, and the polygonal markings are especially apparent (Figs. 44, 45). The eclosion line is not discernible. The AMPs are slender, only slightly clubbed, and bear circular and apical openings (Fig. 46). Their surface is clearly spongy under higher magnification (Fig. 46).