Chlenias, Guenee, 1857

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

Chlenias ‘ auctaria ’ Guenée (Figs 144–150)

Oviposition

1♀ Code no.: G264

Date of oviposition: 18 May

Batch size: 15 (n = 1)

Realised fecundity: 15

Incubation time (days): 14

Batch configuration and attachment: Attached, singly or in small groups.

Colour: Olive green, shiny, becoming brown (Fig. 144)

Size (mm): (n=15) L =0.80 ± 0.01 W =0.51 ± 0.01, T =0.46 ± 0.01

Width/length: 0.64

No. of females: 2

Aeropylar opening size (m) (n=8): L=1.29 ± 0.09, W=0.97 ± 0.09

Relative aeropylar opening size: 1.7

Micropyles: Distinct (Figs 145 & 146)

No. of openings: 4

No. of cells in rosette: 8

No. of rows of cells in micropylar area: 4

Shape: Narrow, elongate, bluntly ovoid, sub­oblong, anterior pole slightly wider than posterior, polar profile circular, dorso­ventrally flattened (Figs 144, 145 & 147).

Characteristics: Egg unmarked, apart from hexagonal cells with flat floors, aeropyles only visible on and near anterior pole (Figs 145, 147 & 149). Cells in micropylar area recessed, cell walls narrow (Figs 145 & 146). Cells surrounding anterior pole defined only by aeropyles at cell wall junctions. Aeropyles slightly elevated, openings small (Fig. 149).

Chorion granulated or blistered (Figs 149 & 150).