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
Chlenias
‘
auctaria
’ Guenée (Figs 144–150)
Oviposition
1♀
Code no.: G264
Date of oviposition: 18 May
Batch size: 15 (n = 1)
Realised fecundity: 15
Incubation time (days): 14
Batch configuration and attachment
: Attached, singly or in small groups.
Colour
: Olive green, shiny, becoming brown (Fig. 144)
Size (mm):
(n=15) L =0.80 ±
0.01 W
=0.51 ± 0.01,
T
=0.46 ± 0.01
Width/length: 0.64
No. of females: 2
Aeropylar opening size (m)
(n=8): L=1.29 ± 0.09, W=0.97 ± 0.09
Relative aeropylar opening size: 1.7
Micropyles
: Distinct (Figs 145 & 146)
No. of openings: 4
No. of cells in rosette: 8
No. of rows of cells in micropylar area: 4
Shape:
Narrow, elongate, bluntly ovoid, suboblong, anterior pole slightly wider than posterior, polar profile circular, dorsoventrally flattened (Figs 144, 145 & 147).
Characteristics
: Egg unmarked, apart from hexagonal cells with flat floors, aeropyles only visible on and near anterior pole (Figs 145, 147 & 149). Cells in micropylar area recessed, cell walls narrow (Figs 145 & 146). Cells surrounding anterior pole defined only by aeropyles at cell wall junctions. Aeropyles slightly elevated, openings small (Fig. 149).
Chorion granulated or blistered (Figs 149 & 150).