Chlenias gonosema, Lower, 1893

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

Chlenias gonosema Lower (Figs 158–162)

Oviposition

2♀ Code nos.: G254, G255

Period of oviposition: 12–16 May

Batch size: 8–10 (n = 2)

Realised fecundity (range): 8–10

Incubation time (days): N/A

Batch configuration and attachment: Attached, singly or grouped

Colour: Pale green, shiny, becoming brown.

Size (mm): (n=10) L =0.85 ± 0.01, W=0.61 ± 0.02, T=0.48 ± 0.00

Width/length: 0.72

No. of females: 1

Aeropylar opening size (m) (n=10): L=2.1 ± 0.07, W=1.7 ± 0.06

Relative aeropylar opening size: 2.7

Micropyles: Distinct (Figs 158 & 159)

No. of openings: 6

No. of cells in rosette: 12

No. of rows of cells in micropylar area: 4

Shape: Narrow, elongate, sub­ellipsoid, anterior pole slightly truncated, slightly wider than posterior, polar profile sub­circular, dorso­ventrally flattened (Figs 158 & 160).

Characteristics: Egg unmarked apart from hexagonal cells with slightly concave floors, aeropyles only visible on and around anterior pole). Cell walls narrow, slightly elevated in micropylar area (Figs 158, 159 & 160). Cells surrounding micropylar area outlined only by aeropyles at cell wall junctions, aeropyles slightly elevated, openings moderately large (Fig. 161). Chorion granulated or blistered (Figs 161 & 162).