Dissomorphia australiaria Guenée

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

Dissomorphia australiaria Guenée (Figs 589–595)

(type species)

Oviposition

7♀ code nos.: G296, G297, G340, G341, G351, G375, G394.

Oviposition period: 21 Feb.–27 Oct.

Batch size: 36.9 ± 5.4 range: 3–70; (n = 14)

Realised fecundity: 73.7 ± 22.0 (range): 40–190

Incubation time (days) (n=12): 7.4 ± 0.5

Batch configuration and attachment: Attached, singly (Fig. 589).

Colour: Yellowish­green blotched with darker green, then transparent on maturity

(Fig. 589).

Size (mm): (n=15) L =0.67 ± 0.01, W = 0.46 ± 0.01, T = 0.37 ± 0.00

Width/length: 0.69

No. of females: 3

Aeropylar opening size (m) (n=6): L = 1.21 ± 0.12, W = 1.02 ± 0.54.

Relative aeropylar opening size: 1.8

Micropyles: Distinct (Figs 590 & 591)

No. of openings: 3

No. of cells in rosette: 7

No. of rows of cells in micropylar area: 2

Shape: Narrow, elongated, bluntly ovoid, anterior pole slightly truncated; dorsoventrally flattened (Figs 589, 590 & 592).

Characteristics: Egg distinctly marked on all surfaces by flat to concave cells with moderately broad walls (Figs 590 & 592). Aeropyles elevated, prominently domed, openings very small (Figs 590–594), present on and around anterior pole. Rosette cells in micropylar area recessed (Fig. 591). Chorion densely pitted (Figs 593–595).