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
Dissomorphia australiaria
Guenée
(Figs 589–595)
(
type
species)
Oviposition
7♀
code nos.: G296, G297, G340, G341, G351, G375, G394.
Oviposition period: 21 Feb.–27 Oct.
Batch size: 36.9 ± 5.4 range: 3–70; (n = 14)
Realised fecundity: 73.7 ± 22.0 (range): 40–190
Incubation time (days) (n=12): 7.4 ± 0.5
Batch configuration and attachment
: Attached, singly (Fig. 589).
Colour:
Yellowishgreen blotched with darker green, then transparent on maturity
(Fig. 589).
Size (mm):
(n=15) L =0.67 ± 0.01, W = 0.46 ± 0.01, T = 0.37 ± 0.00
Width/length: 0.69
No. of females: 3
Aeropylar opening size (m)
(n=6): L = 1.21 ± 0.12, W = 1.02 ± 0.54.
Relative aeropylar opening size: 1.8
Micropyles
: Distinct (Figs 590 & 591)
No. of openings: 3
No. of cells in rosette: 7
No. of rows of cells in micropylar area: 2
Shape:
Narrow, elongated, bluntly ovoid, anterior pole slightly truncated; dorsoventrally flattened (Figs 589, 590 & 592).
Characteristics
: Egg distinctly marked on all surfaces by flat to concave cells with moderately broad walls (Figs 590 & 592). Aeropyles elevated, prominently domed, openings very small (Figs 590–594), present on and around anterior pole. Rosette cells in micropylar area recessed (Fig. 591). Chorion densely pitted (Figs 593–595).