File:Tragichrysa ovoruptora Lebanese amber fig3.jpg
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editDescriptionTragichrysa ovoruptora Lebanese amber fig3.jpg |
English: FIG. 3. Egg remains associated with Tragichrysa ovoruptora gen. et sp. nov. larvae and comparison with extant green lacewing hatched eggs. Black arrows indicate the anterior process of the egg burster from its anterior (serrated) edge. White arrows indicate the disk-like micropylar area of the egg chorion. A, photograph and drawing of remains of egg marked in Figure 1; a distal portion of an egg chorion showing micropylar area and egg burster attached to chorion. B, same as A but seen from the opposite side. C, photograph and drawing of remains of two eggs marked 3 in Figure 2, representing the distal portions of egg chorions showing one micropylar area and two egg bursters, each attached to a chorion. D, detail of egg burster shown in A, in frontolateral view. E, detail of first egg burster shown in C, in ventrolateral view. F, detail of second egg burster shown in C, in dorsolateral view; note the dorsal serrations. G, egg chorion marked as 2 in Figure 1, showing microsculpturing (surface ornamentation). H–J, Recent cluster of hatched green lacewing eggs with details; I, four micropylar (distal) poles of egg chorions showing disk-like micropyles (including inset) and egg bursters, in different views; J, detail of an egg burster, in lateral view. Scale bars represent: 0.1 mm (A–C, G, J); 0.05 mm (D–F); 0.5 mm (H); 0.2 mm (I). |
Date | |
Source | R. Pérez-de la Fuente, M. S. Engel, D. Azar and E. Peñalver (2018). "The hatching mechanism of 130-million-year-old insects: an association of neonates, egg shells and egg bursters in Lebanese amber". Palaeontology 62: 547-559. DOI:10.1111/pala.12414. |
Author | Pérez-de la Fuente et al, 2018 |
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