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 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).