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
Fisera eribola
Guest
(Figs 244–251)
Oviposition
2♀
Code no.: G47, 256
Period of oviposition: 13–28 Apr.
Batch size: 16–40 (n = 2)
Realised fecundity (range): 16–40
Incubation time (days): 30–31 (on moistening)
Batch configuration and attachment
: Attached, singly or in small groups.
Colour
: Very pale green, glossy, becoming brown (Fig. 244).
Size (mm):
(n=1) L=1.10, W=0.82, T=0.61
Width/length: 0.75
No. of females: 1
Aeropylar opening size (m)
(n=5): L=1.21 ± 0.07, W=1.02 ± 0.05
Relative aeropylar opening size: 1.1
Micropyles
: Indistinct (Figs 245 & 246)
No. of openings: obscure
No. of cells in rosette: 8
No. of rows of cells in micropylar area: 4
Shape:
Moderately broad, bluntly ovoid, anterior pole truncated, wider than posterior pole, slightly angled to horizontal axis, polar profile elliptical, dorsoventrally flattened (Figs 245–247), wedgeshaped in profile (Figs 244 & 248).
Characteristics
: Egg marked on all surfaces with hexagonal cells (Figs 247–251). Generally cell walls narrow, recessed, cell floors convex on and adjacent to narrow lateral sides (Fig. 249); in cells in middle of top of egg, walls moderately wide, form broadly rounded, floors concave (Figs 247 & 250); micropylar cell walls narrow, shallowly reticulated (Fig. 246); cells surrounding micropylar area marked only by aeropyles at cell junctions only. Anterior pole cells flat (Fig. 251). Aeropyles slightly elevated, openings small, present on all surfaces (Figs 249 & 251) except middle of top of egg (Figs 247 & 250). Chorion shallowly wrinkled (Fig. 250).