Archephanes zalosema Turner

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

Archephanes zalosema Turner (Figs 111–117)

(type species)

Oviposition

9♀ Code no.: G8, G15, G18, G23, G152, G154, G189, G190, G196.

Period of oviposition: 22 Feb.–26 Apr.

Batch size: 22.2 ± 5.6 (n = 13)

Mean realised fecundity: 32.0 ± 11.3

Incubation time (days): 16–24 (n=8)

Batch configuration and attachment: Attached, singly on underside of leaf.

Colour: Light greenish yellow, becoming tinted pinkish, then maroon (Fig. 111).

Size (mm): (n=11) L =0.75 ± 0.01, W=0.57 ± 0.01, T=0.45 ± 0.01

Width/length: 0.75

No. of females: 2

Aeropylar opening size (m) (n=7): L=1.9 ± 0.04.

Relative aeropylar opening size: 2.5

Micropyles: Distinct (Figs 112 & 113)

No. of openings: 4

No. of cells in rosette: 9

No. of rows of cells in micropylar area: 5

Shape: Moderately broad, bluntly ovoid, anterior pole wider than posterior, polar profile circular, dorso­ventrally flattened (Figs 111, 112, 114 & 115).

Characteristics: Egg marked all over by flat hexagonal cells, narrow, unelevated cell walls (Figs 114 & 115), cells on anterior pole overlaid by a narrow reticulum (Figs 112 & 113), cell outlines only faintly discernible on middle of top of egg (Figs 114 & 115). Aeropyles elevated, circular, openings moderately small, present on all surfaces except the middle area of the top wide lateral side (Fig. 115). Micropylar area conspicuous, rosette cells slightly recessed (Figs 112 & 113). Chorion rough, ridged and folded (Figs 115–117).