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 Dirce oriplancta Turner (Figs 22–27) Oviposition 4♀ code nos.: G320, G326, G327, G330. Oviposition period: 6–31 Dec. Batch size: 27.6 ± 7.4 range: 6–60 (n = 7) Realised fecundity (range): 12–60 Incubation time (days): 7–13 Batch configuration and attachment : Loose. Colour: Very pale green, becoming burnt orange and red at poles, then transparent grey on maturity (Fig. 22). Size (mm): (n=5) L = 0.80 ± 0.01, W = 0.58 ± 0.01, T = 0.52 ± 0.02 Width/length: 0.73 No. of females: 1 Aeropylar opening size (m) (n=7): L = 0.64 ± 0.01, W = 0.56 ± 0.02 Relative aeropylar opening size: 0.8 Micropyles : Indistinct (Figs 23 & 24) No. of openings: 5 No. of cells in rosette: 4 No. of rows of cells in micropylar area: 2 Shape: Moderately broad, bluntly ovoid, truncated anterior pole, dorso­ventrally flattened (Figs 22, 23 & 25). Characteristics : Egg marked on all surfaces by hexagonal, irregularly concave cells, cell form on wider top side, barely discernible (Figs 23 & 25), micropylar cell walls narrow, shallowly reticulated (Figs 23 & 24). Aeropyles very small, inconspicuous, present on lateral sides, poles; openings extremely small (Fig. 27). Chorion smooth, undulating (Figs 26 & 27).