Hypanartia trimaculata subsp. autumna
Creators: name: Llorente-Bousquets, Jorge
name: Nieves-Uribe, Sandra
name: Flores-Gallardo, Adrián
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Lepidoptera
Nymphalidae
Hypanartia
Hypanartia trimaculata
Hypanartia trimaculata autumna

description: Hypanartia trimaculata autumna (Plates 14, 15) (n=10).
The chorion is 871 µm long and 846 µm wide; the length/width ratio is 1.02 and the width/length ratio is 0.97. The greatest width is from the equator to the basal one-fourth, and the base is convex and 2.7 times broader than the semi-flattened apex. The egg is semi-spherical (Plates 14, 15, Figs. A). It has 11 to 12 ridges comprising colonnades with beams that run from the edge of the apical region to the base (Plate 14, Fig. A-i, Plate 15, Fig. A). The columns project above the surface of the chorion in the apical third, barely protruding on the rest of the egg (Plate 14, Fig. A-ii, Plate 15, Fig. A). Thirteen to 18 conspicuous columns are present at the apical one-third of each ridge; after this zone, the columns are reduced and fused, so that only the beam can be distinguished at the ridge (Plate 14, Fig. A-iii, Plate 15, Fig. A). A slightly rough texture is observed between the ridges (Plate 15, Fig. B), with some vestigial ‘ribs’ between them, forming a slight relief (Plate 14, Fig. A-iv). The rail is thick and conspicuous in the ridges, mostly in its apical portion (Plate 15, Fig. B), while only the plinths of the most apical columns are slightly marked in the spaces between the ribs (Plate 15, Fig. B). Capitals are joined by a thick, nearly straight beam, without depressions or abrupt changes in the parts where the aeropyles are situated (Plate 15, Fig. B), the latter numbering 57 to 59 along the ridge (Plate 15, Fig. A). In the apical third, the aeropyles are most conspicuous, and towards the basal region, they reduce their diameter. A thick wall covers each colonnade at the apical portion, so the columns are barely distinguishable (Plate 14, Fig. A-v, Plate 15, Fig. B). The columns from the equator to the base are completely reduced (Plates 14, 15, Figs. A), and only the beam is visible (Plate 15, Figs. A, C). From the basal eighth, four to seven ribs are recorded between the ridges (Plate 14, Fig. A-vi, Plate 15, Fig. C); a rough to slightly corrugated texture remains at the base (Plate 15, Fig. C). In the apical view, no ribs can be distinguished, while the ridges are barely projected in the transition zone (Plate 14, Fig. B-vii, Plate 15 Fig. D); in their most apical portion there are no ribs that join the ridges (Plate 14, Fig. B, Plate 15, Fig. D). The most apical part of the ridge lacks aeropyles (Plate 15, Fig. D). The transition zone is smooth, while the perimicropylar and micropylar regions have a barely visible rough texture (Plate 15, Figs. D-F). The perimicropylar region presents an irregular wreath of 15 leaves from four to seven sides, 11 of them forming a complete semi-ring, while the others form a second incomplete semi-ring (Plate 15, Fig. E). The walls of the leaves are fragile, so they can be broken, and a relief is left in their place (Plate 15, Figs. E, F). The micropylar rosette has five pentagonal or hexagonal petals with straight sides well anchored to the central polygon and with slightly curved vertices; the walls of the petals are fragile, so they may detach and leave a slight relief in their place (Plate 15, Fig. F). At least one micropylar opening is observed that coincides with one vertex of the central polygon, which is quadrangular and at the same visual level as the petals (Plate 15, Fig. F). Both the rosette petals and the wreath leaves have the same thickness on their walls. Color N 00 A 30 M 00.
description: Published as part of Llorente-Bousquets, Jorge, Nieves-Uribe, Sandra & Flores-Gallardo, Adrián, 2023, Exochorion in the tribe Nymphalini (Lepidoptera: Nymphalidae): the genus Hypanartia Hübner, [1821] and comparison with related genera, pp. 151-200 in Zootaxa 5330 (2) on page 174, DOI: 10.11646/zootaxa.5330.2.1, http://zenodo.org/record/8253638