Descriptions of the eggs of some southern Australian Geometridae (Lepidoptera) Author Young, Catherine J. text Zootaxa 2006 2006-08-14 1287 1 294 journal article 1175­5334 7778314F-E23A-4947-876A-9610E4C959A7 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).