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
Parosteodes fictiliaria
Guenée
(Figs 596–603)
(
type
species)
Oviposition
4♀
code nos.: G388, G389, G390.
Oviposition period: 23 Oct.–7 Nov.
Batch size: 33.3 ± 7.3 range: 10–100; (n = 12)
Realised fecundity (range): 40–173
Incubation time (days)(n=9): 10.2 ± 0.2
Batch configuration and attachment
: Attached, singly, short rows (Fig. 596).
Colour:
Bluishgreen (Fig. 596), becoming bluishgreen with reddishbrown spots forming around lateral circumference, then transparent on maturity.
Size (mm):
(n=15) L = 0.66 ± 0.01, W = 0.49 ± 0.01, T = 0.37 ± 0.01
Width/length: 0.74
No. of females: 3
Aeropylar opening size (m):
(n=6): L = 1.05 ± 0.03, W = 0.84 ± 0.06.
Relative aeropylar opening size: 1.6
Micropyles
: Distinct (Figs 597 & 598)
No. of openings: 6
No. of cells in rosette: 5
No. of rows of cells in micropylar area: 2
Shape:
Moderately broad, subelliptical, anterior pole slightly truncated; dorsoventrally flattened (Figs 597, 599 & 600).
Characteristics
: Soft chorion. Egg distinctly marked on all surfaces by hexagonal, concave cells with moderately broad, elevated walls, walls of cells defined by aeropyles, doubleridged (Figs 596, 597, 599–602), micropylar cells overlain by a fine reticulum (Figs 597 & 598). Aeropyles elevated, prominently domed, openings small (Figs 597, 598 & 602), present on all surfaces apart from wider, lateral side (Fig. 599). Rosette cells recessed (Fig. 598). Chorion deeply pitted (Figs 601–603).