Fisera halurga Turner, 1919

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

Fisera halurga Turner (Figs 261–267)

Oviposition

1♀ Code no.: G272

Date of oviposition: 12 May

Batch size: 40 (n = 1)

Realised fecundity: 40

Incubation time (days): 23

Batch configuration and attachment: Attached singly.

Colour: Pale yellow, becoming light coffee brown.

Size (mm): (n=) L=1.12 ± 0.01, W=0.91 ± 0.01, T=0.66 ± 0.04

Width/length: 0.81

No. of females: 1

Aeropylar opening size (m) (n=8): L=1.6 ± 0.09, W=1.3 ± 0.06

Relative aeropylar opening size: 1.5

Micropyles: Indistinct (Figs 261 & 262)

No. of openings: 5

No. of cells in rosette: 6

No. of rows of cells in micropylar area: 5

Shape: Broad, bluntly elliptical, anterior pole slightly truncated, slightly wider than posterior pole, polar profile sub­circular; dorso­ventrally flattened, wedge­shaped in profile (Figs 261, 263 & 264).

Characteristics: Egg marked on all surfaces with hexagonal cells with flat floors (Figs 261, 263–265). Cell walls only defined on anterior pole, narrow, recessed (Fig. 262); cell walls moderately wide, cell form broadly rounded (Fig. 266), cell floors concave on middle of top of egg; micropylar cell walls narrow, shallowly reticulated (Fig. 262). Aeropyles, slightly elevated, openings small (Fig. 266) present on all surfaces except middle of top of egg (Fig. 265). Chorion coarsely wrinkled (Fig. 266); smoother on middle of top of egg (Figs 265 & 267).