Euphyia severata Guenée, 1858

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

Euphyia severata Guenée (Figs 697–702)

Oviposition

1♀ code nos.: G384

Oviposition date: 15 Oct.

Batch size: 20; (n = 1)

Realised fecundity: 20

Incubation time (days): N/A

Batch configuration and attachment: Loosely attached, singly.

Colour: Very pale green, becoming pale orange then transparent grey on maturity. Size (mm): L = 0.53 ± 0.00, W = 0.48 ± 0.00, T = 0.48 ± 0.00.

Width/length: 0.91

No. of females: 1

Aeropylar opening size (m) (n=6): L = 5.37 ± 0.18, W = 4.52 ± 0.18.

Relative aeropylar opening size: 10.7

Micropyles: Distinct (Figs 697 & 698)

No. of openings: 3

No. of cells in rosette: 5

No. of rows of cells in micropylar area: 1

Shape: Globular.

Characteristics: Soft chorion; egg distinctly marked on all surfaces by concave, hexagonal cells with elevated, moderately broad walls (Figs 697, 699–701). Aeropyles large, conspicuous, elevated, domed, openings extremely large (Figs 700 & 701), absent from middle of top of egg. Micropylar cells slightly recessed (Fig. 698). Chorion rough with short, sparsely distributed, evenly spaced ridges (Figs 700 & 702), granular on posterior pole (Fig. 701).