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 Mnesampela arida McQuillan (Figs 284–291) Oviposition 1♀ Code no.: G243 Date of oviposition: 7 May 2000 Batch size: 30 (n = 1) Realised fecundity: 30 Incubation time (days): 31 (on moistening) Batch configuration and attachment : Attached, singly. Colour : Pale yellow, becoming pinkish red. Size (mm): (n=10) L=0.86 ± 0.01, W=0.72 ± 0.01, T=0.55 ± 0.01 Width/length: 0.84 No. of females: 1 Aeropylar opening size (m) (n=7): L=2.05 ± 0.09, W=1.47 ± 0.10 Relative aeropylar opening size: 2.5 Micropyles : Distinct (Figs 284 & 285) No. of openings: 4 No. of cells in rosette: 7 No. of rows of cells in micropylar area: 4 Shape: Broad, bluntly ovoid (Figs 286 & 287); anterior pole, polar profile subcircular; dorso­ventrally flattened (Fig. 284); anterior pole angled slightly to horizontal axis (Fig. 286). Characteristics : Egg marked all over by hexagonal cells (Figs 286 & 287). Cell walls generally moderately broad, elevated, floors convex (Figs 286–288), except concave in middle of top of egg (Figs 289–291); micropylar cell walls narrow, cells slightly recessed (Fig. 285). Cell reticulation mesh­like (Figs 286–291). Aeropyles elevated, slightly domed, openings moderately large (Fig. 291); present on all surfaces apart from middle of top of egg (Figs 286, 289 & 291). Chorion shallowly wrinkled (Fig. 290).