Eadmuna esperans (St. Laurent, Ryan A. & Dombroskie, Jason J. 2015)
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Ordo: Lepidoptera
Familia: Mimallonidae
Genus: Eadmuna
Name
Eadmuna esperans Schaus, 1905 – Wikispecies link – Pensoft Profile
- Eadmuna esperans St. Laurent, Ryan A., 2015, ZooKeys 494: 51-51.
Diagnosis
Diagnosis. The weakly falcate forewings distinguish Eadmuna esperans from the similar Eadmuna guianensis, new species, described below. Genitalia of Eadmuna esperans are unique among species in the genus in that the vesica has a large scobinate patch as opposed to a single cornutus.
Description
Description. Male.Head: As for genus but border of darker scales that normally continues down head reaching beneath labial palpi somewhat reduced. Thorax: As for genus. Legs: As for genus but tibial spurs naked. Forewing dorsum: Forewing length: 17-20 mm, avg.: 18 mm, n=19. Triangular, rounded, convex margins becoming concave near subtly accentuated apex. Coloration light silvery brown, suffused with darker brown postmedially except near apex. Hyaline discal spot weakly pronounced, yellowish opaque rather than clear due to covering of yellowish scales, with M2 vein separating hyaline patch into two distinct regions. Postmedial line bulging in costal half, scalloped, narrowly interrupted by veins, weaker on costal third except for dark wedge on costa. Occasionally dark diffuse spots between veins immediately beyond center of postmedial line. Antemedial line very weak except for dark chevron on costa. Fringe varies in coloration from darkbrown to off white. Forewing venter: As for dorsum but lighter, postmedial line usually much darker, well-pronounced. Hindwing dorsum: Rounded, slightly falcate anal angle, bearing similar coloration and pattern as forewing though maculation usually somewhat fainter than on forewing and lacking a hyaline discal spot. Hindwing venter: As for dorsum but lighter, postmedial line usually much darker, well pronounced. Wing venation: As for genus. Abdomen: As for genus, concolorous with thorax. Genitalia: n=14. As for genus, simple, but distal end of teardrop-shaped uncus moderately thick, ventral lobes of tegumen subtriangular, with a central sclerotized ridge with three or four secondary ridges ventral to center of subtriangle. Sclerotized plate, dorsal to juxta and phallus, broad, especially on lower half. Phallus, simple, broad, cylindrical, vesica, sac-like with scobinate patch covering roughly half of everted vesica. Female. Unknown.
Distribution
Distribution. This species is known from southeastern and southern Brazil in the states of Espirito Santo (type locality), Rio de Janeiro, Sao Paulo, Santa Catarina, and Rio Grande do Sul, apparently from relatively low to moderately high elevations (40 to 1300 m). This distribution coincides with both the pampa and Atlantic coastal forest biomes (IBGE 2004).
Taxon Treatment
- St. Laurent, Ryan A.; Dombroskie, Jason J.; 2015: Revision of the genus Eadmuna Schaus, 1928 (Lepidoptera, Mimallonidae) with a description of a new species from French Guiana ZooKeys, 494: 51-51. doi
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