Boarmia

Young, Catherine J., 2006, Descriptions of the eggs of some southern Australian Geometridae (Lepidoptera), Zootaxa 1287, pp. 1-294 : 1-294

‘ Boarmia ’ penthearia Guenée (Figs 582–588)

Oviposition

1♀ code nos.: G276

Oviposition date: 15 May

Batch size: 34; (n = 1)

Realised fecundity: 34

Incubation time (days) (n = 5): 14

Batch configuration and attachment: Loose

Colour: Green becoming greyish brown on maturity (Fig. 582).

Size (mm): (n=6) L = 0.73 ± 0.01, W = 0.52 ± 0.01, T = 0.34 ± 0.01

Width/length: 0.71

No. of females: 1

Aeropylar opening size (m) (n=6): L = 1.42 ± 0.10, W = 1.15 ± 0.12

Relative aeropylar opening size: 2.0

Micropyles: Distinct (Figs 583 & 584)

No. of openings: 3

No. of cells in rosette: 6

No. of rows of cells in micropylar area: 3

Shape: Narrow, elongated, bluntly ovoid; anterior pole truncated; flattened dorsoventrally; elongated (Figs 582, 583 & 585).

Characteristics: Soft chorion. Egg marked on all surfaces by conspicuous, concave, hexagonal cells with moderately broad, double­ridged walls (Figs 582, 585–588). Aeropyles elevated with large, irregularly shaped domes, openings small (Fig. 587), present on all surfaces except middle of top of egg (Fig. 586). Primary, secondary cells in micropylar area recessed (Fig. 584). Chorion coralline, mesh­like (Figs 586–588), smoother in micropylar area (Fig. 584).