Plesanemma altafucata McQuillan

Young, Catherine J., 2006, Descriptions of the eggs of some southern Australian Geometridae (Lepidoptera), Zootaxa 1287, pp. 1-294 : 1-294

Plesanemma altafucata McQuillan (Figs 352–355)

Oviposition

2♀ code nos.: G9, G352

Oviposition period: 22–29 Mar.

Batch size (range): 15–26 (n = 3)

Realised fecundity (range): 26–45

Incubation time (days): 22–24 (on moistening)

Batch configuration and attachment: Firmly attached, clusters on leaf margins or

tips.

Colour: Pale yellow, opalescent, becoming pinkish­brown to dark pearly brown and transparent grey before eclosion.

Size (mm): (n =1) L=1.48, W=0.84

Width/length: 0.57

No. of females: 1

Aeropylar opening size (m) (n=5): L=1.22 ± 0.08.

Relative aeropylar opening size: 0.8

Micropyles: Distinct (Figs 352 & 353)

No. of openings: 8, 6

No. of cells in rosette: 8, 10

No. of rows of cells in micropylar area: 6

Shape: Narrow, elongated, bluntly ovoid, posterior pole sub­acute; anterior pole truncated; polar profile circular (Fig. 354); wedge shape in profile; anterior pole slightly angled to horizontal axis.

Characteristics: Egg marked on all surfaces by slightly convex hexagonal cells (Figs 354 & 355). Cell walls narrow, slightly elevated (Fig. 355); micropylar cell walls narrow, slightly elevated, primary, secondary, tertiary cells recessed (Fig. 353). Aeropyles unelevated, inconspicuous, openings very small (Fig. 355), present on all surfaces apart from middle of top of egg, anterior pole. Chorion rough, wrinkled (Fig. 355).