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
Rhinodia rostraria
Guenée
(Figs 576–581)
(
type
species)
Oviposition
3♀
code nos.: G298, G342, G392
Oviposition period: 23 Feb.–3 Nov.
Batch size range: 3–40; (n = 4)
Realised fecundity (range): 3–44
Incubation time (days) (n=2): 6–8
Batch configuration and attachment
: Attached, singly (Fig. 576), short rows.
Colour:
Coppery brown, shiny, then transparent on maturity (Fig. 576).
Size (mm):
(n=19) L = 0.77 ± 0.01, W = 0.65 ± 0.01, T = 0.61 ± 0.01
Width/length: 0.84
No. of females: 3
Aeropylar opening size (m)
(n=9): L = 3.30 ± 0.20, W = 2.72 ± 0.91.
Relative aeropylar opening size: 4.6
Micropyles
: Indistinct (Figs 577 & 578)
No. of openings: obscure
No. of cells in rosette: 8
No. of rows of cells in micropylar area: 2
Shape:
Broad, bluntly ovoid, anterior pole truncated (Figs 576, 577 & 579).
Characteristics
: Egg distinctly marked on all surfaces by flat, elongate, narrow, quadrate cells with moderately broad, doubleridged transverse walls (Figs 576, 579–581); longitudinal walls form prominent ribs (Figs 576, 579 & 580). Aeropyles elevated, openings moderately large (Fig. 580), present on all surfaces apart from top, wide side of egg (Figs 579 & 580). Rosette cells in micropylar area slightly recessed; area adjacent to micropyles raised (Fig. 578). Chorion smooth but shallowly wrinkled (Fig. 581); more deeply wrinkled on anterior pole (Fig. 578).