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 Casbia crataea Turner (Figs 571–575) Oviposition 4♀ code nos.: G22, G79, G415, G416. Oviposition period: 25 Mar.–24 May Batch Size: 20.4 ± 4.6 range: 5–50; (n = 15) Realised fecundity (range): 26–138 Incubation time (days) (n=10): 14.7 ± 1.1 Batch configuration and attachment : Firmly attached, singly (Fig. 571). Colour: Very pale green, becoming light brown with irregular red blotches spreading from anterior pole (Fig. 571) then grey on maturity. Size (mm): (n=10) L = 0.92 ± 0.00, W = 0.72 ± 0.00, T = 0.61 ± 0.01 Width/length: 0.79 No. of females: 2 Aeropylar opening size (m) (n=6): L = 2.80 ± 0.45, W = 1.80 ± 0.23. Relative aeropylar opening size: 3.2 Micropyles : Distinct (Figs 572 & 573) No.of openings: obscure No. of cells in rosette: 8 No. of rows of cells in micropylar area: 3 Shape: Narrow, elongated, bluntly ovoid, anterior pole truncated (Figs 571, 572 & 574). Characteristics : Egg distinctly marked on all surfaces by flat, elongated, quadrate cells with narrow, elevated walls arranged in longitudinal rows (Figs 571, 574 & 575). Aeropyles elevated, domed, openings moderately large (Fig. 575), present on all surfaces apart from top, wide side of egg (Fig. 574). Rosette cells in micropylar area recessed (Fig. 573). Chorion smooth but shallowly wrinkled (Fig. 575).