Hamadryas iphthime joannae, Jenkins, 1983

Nieves-Uribe, Sandra, Flores-Gallardo, Adrián, Llorente-Bousquets, Jorge, Luis-Martínez, Armando & Pozo, Carmen, 2019, Use of exochorion characters for the systematics of Hamadryas Hübner and Ectima Doubleday (Nymphalidae: Biblidinae: Ageroniini), Zootaxa 4619 (1), pp. 77-108 : 87-89

Hamadryas iphthime joannae

( Fig. 7 A, B ). Eggs average 1068± 51.13 µm long and 1058± 50.04 µm wide (n = 9), 1.01 times longer than maximum diameter, and width/length ratio is 0.99. Egg is globose foam, quasi-spheroidal with knolls slightly sinuous; the convex base is of equal amplitude as the flat apex. Base of chorion is smooth and is equivalent to almost 1/9 of the length of egg. Chorion exhibits four or five apical knolls with soft and wide edges from the perimicropylar zone to prebasal zone and has narrow slumps, one at the end of the first fifth of the length of the egg, from apical region, and another before the equator ( Fig. 7 A-i, B-i). There are only one or two bifurcations at the same height as slumps of continuous knolls or before the equator ( Fig. 7 A-ii, B-ii). Background grid shows pentagonal, hexagonal, and irregular polygons, with rounded edges; polygons are reduced, narrowed, and ununiform in the prebasal area, which marks the division between the exochorionic surface with grid and the smooth base ( Fig. 7 A-iii). Polygons of the grid are smaller in the prebasal zone, but they increase in size from the end of the first basal quarter and remain constant until the beginning of the last quarter; the pattern of polygons does not present the “coralligenous arborescent” design recorded for H. feronia farinulenta ( Fig. 8 A-v). Largest polygons are on summits of knolls and are two or three times larger than others ( Fig. 7 A-iv). Macro-cells are on the summit of some knolls, surrounded by polygons of similar size or smaller, so they do not protrude ( Fig. 7 A-v); they are four or five times larger than polygons of valleys and slopes of knolls. They are visible from apical area to after the equatorial region. Micropylar zone shows a rosette of five polygons with rounded edges, all of the same size and without an arachnoid pattern surrounding it; it is the same height as the flat apex, and only the summit of the knolls protrudes ( Fig. 7 B-vi). Color A 10 M 00 N 00.

Material examined: México: Oaxaca: El Puente , 3 km al E de Choapam (17°22’38”N, 95°55’20”W), 620 msnm, 24-VI-2015, trampa (ABD-1347); 07-X-2015, trampa (ABD-1641); San Juan Lalana, Jalahui (17°27’10.99” N, 85°46’19.74” W), 175 msnm, 30-VIII-2017, A. Luis y col. (ABD-1975) .

Figures

FIGURE 7. Structure of the chorion of Hamadryas iphthime joannae. A. Egg in side view; B.Apical view: i. Continuous knolls, ii. Bifurcated knolls, iii. The reduced grid in the prebase; iv. Polygons close to macro-cells; v. Macro-cells; vi. Micropyle.

FIGURE 8. Chorionic structure of Hamadryas feronia farinulenta. A. Egg in side view; B. Apical or distal view: i. Weak base; ii. Continuous knolls; iii. Bifurcated knolls; iv. The reduced grid in the base; v. Semi arborescent grid; vi. Macro-cells; vii. Micropylar area and micropyle.