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
Hypobapta percomptaria
Guenée
(Figs 837–843)
(
type
species)
Oviposition
2♀
code nos.: G284, G294
Oviposition period: 19 Sept.–23 Oct.
Batch size: 19–30 (n = 2)
Realised fecundity: 19–30
Incubation time (days): 14
Batch configuration and attachment
: Attached, singly or in small clusters (Figs 837 & 838). In nature eggs are laid along leaf margins
McFarland (1988)
.
Colour:
Milky, pale green becoming pale pinkish brown, posterior pole whitish, anterior pole with brown blotches (Figs 837 & 838) then transparent grey on maturity.
Size (mm) (n=15):
L = 0.95 ± 0.01, W = 0.61 ± 0.01, T = 0.57 ± 0.01.
Width/length: 0.65
No. of females: 2
Aeropylar opening size (m) (n=6)
: L = 0.84 ± 0.05, W = 0.66 ± 0.07.
Relative aeropylar opening size: 0.6
Micropyles
: Indistinct (Figs 839 & 840)
No. of openings: 15
No. of cells in rosette: 20,11,11
No. of rows of cells in micropylar area: 4
Shape:
Narrow, elongated, bluntly ovoid, anterior pole truncated, posterior pole subpointed, compressed dorsoventrally (Figs 837, 838 & 841).
Characteristics
: Egg faintly marked on all surfaces by convex, hexagonal cells with narrow, recessed walls (Figs 841 & 842). Aeropyles very inconspicuous, unelevated, openings extremely small, distributed around rim of egg only. Micropylar cells slightly recessed (Fig. 840). Chorion rough, with shallow undulations, rather granular (Fig. 843).