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
Mictodoca toxeuta
Meyrick
(Figs 229–234)
(
type
species)
Oviposition
2♀
Code no.: G65, G347
Period of oviposition: 17 Mar.–15 May
Batch size: 18.6 ± 3.7 (n = 5)
Realised fecundity (range): 30–63
Incubation time (days): 36
Batch configuration and attachment
: Attached, upright, singly or in clusters (Figs
229 & 230).
Colour:
Light green, shiny opalescent, becoming shiny coppery brown (Figs 229 & 230).
Size (mm):
(n=15) L =0.67 ± 0.02, W =0.63 ± 0.02, T=0.55 ± 0.01
Width/length: 0.94
No. of females: 2
Aeropylar opening size (m)
(n=7): L=2.95 ± 0.24, W=2.03 ± 0.14
Relative aeropylar opening size: 4.6
Micropyles
: Indistinct (Figs 231 & 232)
No. of openings: obscure
No. of cells in rosette: 12
No. of rows of cells in micropylar area: 5
Shape:
Broad, subglobular, anterior pole markedly truncated, slightly wider than posterior pole, polar profile circular (Figs 231 & 233).
Characteristics
: Egg unmarked apart from several rows of cells and aeropyles adjacent to anterior pole (Figs 229, 230, 231 & 233). Cells quadrilateral; longitudinal walls moderately wide, elevated; crosswalls, narrower, less elevated; concave floors (Figs 231, 233 & 234). Aeropyles inconspicuous, openings moderately large (Figs 231 & 234). Chorion generally smooth, pitted on and near anterior pole (Figs 231–234). Only rosette cells marked in micropylar area apart from faint outlines of hexagonal cells (Figs 231 & 232).