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
Aphantes melanochorda
Turner
(Figs 392–398)
(
type
species)
Oviposition
1♀
Code no.: G57
Date of oviposition: 24 Apr.
Batch size: 10 (n = 1)
Realised fecundity: 10
Incubation time (days): 21
Batch configuration and attachment
: Loose
Colour
: Very pale yellow to green, becoming pale orange with orange flecks (Fig. 392).
Size (mm):
(n=5) L =0.55 ±
0.01 W
=0.50 ± 0.02,
T
=0.48 ± 0.00
Width/length: 0.92
No. of females: 1
Aeropylar opening size (m)
(n=5): L=6.3 ± 0.21, W=5.4 ± 0.29
Relative aeropylar opening size: 10.6
Micropyles
: Distinct (Figs 393 & 394)
No. of openings: 4
No. of cells in rosette: 9
No. of rows of cells in micropylar area: 2
Shape:
Very broad, bluntly ovoid, anterior pole truncated, slightly wider than posterior pole, polar profile circular, not dorsoventrally flattened (Figs 392, 393 & 395).
Characteristics
: Egg conspicuously marked with hexagonal cells with flat to slightly concave floors (Figs 393, 395 & 396), aeropyles on all egg surfaces (Figs 393–395). Cell walls moderately wide, moderately elevated, doubleridged; walls narrow, slightly elevated (Figs 393–397), singleridged in micropylar area (Fig. 394). Aeropyles elevated, domed, openings extremely large (Figs 393–398). Chorion rough due to dense, irregular pitting (Fig. 397).