Chrysolarentia decisaria Walker

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

Chrysolarentia decisaria Walker (Figs 725–729)

Oviposition

2♀ code nos.: G167, G185

Oviposition period: 4–14 Apr.

Batch size: 5–15; (n = 2)

Realised fecundity: 5–15

Incubation time (days): 25

Batch configuration and attachment: Loose.

Colour: Pale green, becoming transparent grey on maturity.

Size (mm) (n=5): L = 0.59 ± 0.01, W = 0.50 ± 0.00, T = 0.49 ± 0.02.

Width/length: 0.86

No. of females: 1

Aeropylar opening size (m): aeropyles not visible.

Micropyles: Distinct (Figs 725–727)

No. of openings: 3

No. of cells in rosette: 9

No. of rows of cells in micropylar area: 5

Shape: Not compressed laterally. Broad, anterior pole broadly rounded. Oval in lateral views, triangular in polar views, pyramidal longitudinally with posterior pole at apex (Figs 725, 726 & 728).

Characteristics: Soft chorion; egg totally unmarked apart from micropylar cells, aeropyles not visible (Figs 725–728); micropylar cells with narrow, recessed walls (Fig. 727). Chorion smooth with shallow undulations (Fig. 729).