Authaemon stenonipha Turner

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

Authaemon stenonipha Turner (Figs 118–127)

Oviposition

2♀ Code no.: G161, 164

Period of oviposition: 11 Feb.–3 Apr.

Batch size: 21.2 ± 7.6 (n = 6)

Realised fecundity (range): 54–73

Incubation time (days): N/A

Batch configuration and attachment: Attached, singly or in small groups (Fig. 118).

Colour: Very pale green, glistening, becoming very pale orange with small orange blotches (Fig. 118).

Size (mm): (n=15) L =0.76 ± 0.01, W=0.59 ± 0.00, T=0.51 ± 0.01

Width/length: 0.77

No. of females: 2

Aeropylar opening size (m) (n=8): L=3.3 ± 0.13, W=2.9 ± 0.14

Relative aeropylar opening size: 4.8

Micropyles: Distinct (Figs 119 & 120)

No. of openings: 4

No. of cells in rosette: 10

No. of rows of cells in micropylar area: 5

Shape: Moderately broad, bluntly ovoid, anterior pole wider than posterior, polar profile sub­circular, dorso­ventrally flattened (Figs 118, 119, 121 &122).

Characteristics: Egg marked all over by hexagonal cells with flat floors, narrow,

slightly elevated cell walls (Figs 119, 121–123, 125 & 126). Aeropyles elevated, domed, openings large, densely distributed on all surfaces (Figs 119, 122–125) except the middle area of the wide lateral side (Figs 121 & 126). Chorion ridged and folded (Figs 123–125), smoother in the middle of the wide side of the egg (Figs 126 & 127).