Hypena proboscidalis (Linnaeus, 1758)

Dolinskaya, I. V, 2014, Egg Morphology Of Some Nolidae And Erebidae (Lepidoptera, Noctuoidea), Vestnik Zoologii 48 (6), pp. 553-561 : 555

Hypena proboscidalis (Linnaeus, 1758)

D e s c r i p t i o n. Egg subspherical ( fig. 9 ). Egg pale yellow. As egg develops, it becomes taupe (n = 2). According to Döring (1955) height 0.4 mm, diameter 0.48–0.5 mm.

Chorion ridged, marked on two thirds surface. Micropylar area sharply expressed, represented by rosette and 1 row long, narrow and pointed cells ( fig. 10 ). Rosette slightly elevated, with 11–12 petalled cells. There are 16–20 of the 35–40 broad longitudinal ridges radiate from cells of micropylar area. Transverse walls filiform, much less distinct than ridges ( fig. 11 ). Aeropyles weakly expressed at walls junctions. The entire surface of small, densely placed fibers.

S h a p e o f g n a w e d h o l e s i n e g g s. Caterpillars nibble out oval opening at lateral part of egg.

O v i p o s i t i o n. Eggs laid in single-layer tight clusters where they pressed one to another.

Figures

Fig.7–12. Eggs of Erebidae:Hermeniinae:7, 8 — Pechipogo strigilata; Hypeninae:9–11 — Hypena proboscidalis; Phytometrinae: 12 — Colobochyla salicalis. Scale bars: 7–11 — 10 µm; 12 — 100 µm.