Oenochroma vetustaria Walker, 1860

Young, Catherine J., 2006, Descriptions of the eggs of some southern Australian Geometridae (Lepidoptera), Zootaxa 1287, pp. 1-294 : 1-294

Oenochroma vetustaria Walker (Figs 645–650)

Oviposition 1♀ code nos.: G158

Oviposition period: Feb.

Batch size: 6; (n = 2)

Realised fecundity: 6

Incubation time (days): 8

Batch configuration and attachment: Attached, singly.

Colour: Unrecorded.

Size (mm): (n=1) L = 1.02, W = 0.73, T = 0.60.

Width/length: 0.72

No. of females: 1

Aeropylar opening size (m) (n=8): L = 1.90 ± 0.05, W = 1.78 ± 0.07

Relative aeropylar opening size: 1.9

Micropyles: Distinct (Figs 645 & 646)

No. of openings: 6

No. of cells in rosette: 6

No. of rows of cells in micropylar area: 4

Shape: Narrow, elongated, elliptical, dorso­ventrally flattened (Figs 645 & 647).

Characteristics: Egg marked on all surfaces by round, concave cells with broad walls (Figs 645 & 647), cells deeper on wider lateral side (Fig. 648), anterior polar cell walls narrow (Figs 645 & 646). Aeropyles, slightly elevated, openings very small, present only around horizontal rims of egg and anterior pole (Fig. 649). Micropylar cells slightly recessed (Fig. 646). Micropyles off­centred (Fig. 645). Chorion smooth, undulating, slightly granular (Fig. 650).