Nisista sp. 1

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

Nisista sp. 1 (Figs 421–428)

Oviposition

1♀ Code no.: G96

Period of oviposition: 10–12 Oct.

Batch size: 30–40 (n = 2)

Realised fecundity: 70

Incubation time (days): 15

Batch configuration and attachment: Attached, singly or small groups (Fig. 421).

Colour: Pale yellow, becoming pinkish orange (Fig. 421).

Size (mm): (n=10) L=0.78 ± 0.01, W=0.55 ± 0.01, T=0.45 ± 0.01

Width/length: 0.70

No. of females: 1

Aeropylar opening size (m) (n=7): L=0.93 ± 0.12, W=0.74 ± 0.08

Relative aeropylar opening size: 1.1

Micropyles: Distinct (Figs 422 & 423)

No. of openings: obscure

No. of cells in rosette: 8

No. of rows of cells in micropylar area: 3

Shape: Narrow, elongated, sub­elliptical; anterior pole slightly truncated, polar profile sub­circular; dorso­ventrally flattened (Figs 421, 422, 424 & 425).

Characteristics: Egg marked all over by flat, hexagonal cells (Figs 424–426 & 428). Cell walls generally moderately broad, elevated, double­ridged (Figs 422, 424–428); micropylar cell walls narrow, cells slightly recessed (Figs 422 & 423). Aeropyles prominent, elevated, with large domes, openings very small (Fig. 427); present on all surfaces apart from middle of top of egg (Fig. 428). Chorion smooth, finely, sparsely wrinkled (Fig. 428).