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
Poecilasthena pulchraria
Doubleday
(Figs 672–677)
(
type
species)
Oviposition
1♀
code nos.: G373
Oviposition date: 3 Sept.
Batch size: 30; (n = 1)
Realised fecundity: 30
Incubation time (days): 7
Batch configuration and attachment
: Attached, singly.
Colour:
Pale yellowishgreen, glittering, becoming grey on maturity.
Size (mm) (n=10):
L = 0.59 ± 0.01, W = 0.42 ± 0.00, T = 0.38 ± 0.01.
Width/length: 0.71
No. of females: 1
Aeropylar opening size (m) (n=4)
: L = 0.85 ± 0.07, W = 0.65 ± 0.09.
Relative aeropylar opening size: 1.6
Micropyles
: Distinct (Figs 672 & 673)
No. of openings: 2
No. of cells in rosette: 5
No. of rows of cells in micropylar area: 3
Shape:
Narrow, elongated, bluntly ovoid, anterior pole truncated, dorsoventrally flattened.
Characteristics
: Very soft chorion; egg marked on all surfaces by concave, hexagonal cells defined at junctions by broad rounded humps (Figs 672–676). Aeropyles small, unelevated, openings very small (Fig. 676), present around anterior pole only. Rosette cells slightly recessed; micropylar cell walls overlain by very narrow, shallow reticulum (Fig. 673). Chorion rough, shallowly wrinkled (Fig. 676 & 677).