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
Nearcha curtaria
Guenée
(Figs 658–663)
Oviposition
2♀
code nos.: G343, G354.
Oviposition period: 26 Feb.–8 Apr.
Batch size range: 4–17; (n = 4)
Realised fecundity (range): 15–31
Incubation time (days): 11–12
Batch configuration and attachment
: Attached, singly (Fig. 658).
Colour:
Very pale yellowishgreen, becoming pale orange (Fig. 658), then transparent grey on maturity.
Size (mm):
(n=9) L = 0.73 ± 0.00, W = 0.56 ± 0.00, T = 0.54 ± 0.01.
Width/length: 0.77
No. of females: 1
Aeropylar opening size (m)
(n=6): L = 0.84 ± 0.07, W = 0.59 ± 0.10
Relative aeropylar opening size: 1.2
Micropyles
: Distinct (Figs 659–660)
No. of openings: 3
No. of cells in rosette: 7
No. of rows of cells in micropylar area: 2
Shape:
Moderately broad, bluntly ovoid, dorsoventrally flattened (Figs 658, 659 & 661)
Characteristics
: Egg marked by subquadrate, concave cells with moderately broad, elevated walls, forming longitudinal rows from posterior pole to almost as far as anterior pole (Figs 658, 659, 661 & 662); remaining cells irregularly arranged, hexagonal, concave, with moderately broad walls (Fig. 659); micropylar cell walls overlaid by a narrow reticulum (Fig. 660). Aeropyles large, domed, openings very small, present on all surfaces (Fig. 662). Rosette cells slightly recessed (Fig. 660). Chorion cobbled, slightly granular (Figs 662 & 663).