Phylogenetic systematics of Schacontia Dyar with descriptions of eight new species (Lepidoptera, Crambidae)

Collection: Pensoft Publishers

Keywords: Schacontia · Topics: Lepidoptera: Biology and Taxonomy, Plant and animal studies, Biological Control of Invasive Species

The Neotropical genus Schacontia Dyar (1914) is reviewed and revised to include eleven species. Schacontia replica Dyar, 1914, syn. n. and S. pfeifferi Amsel, 1956, syn. n. are synonymized with S. chanesalis (Druce, 1899) and eight new species are described: Schacontia umbra, sp. n., S. speciosa, sp. n., S. themis, sp. n., S. rasa, sp. n., S. nyx, sp. n., S. clotho, sp. n., S. lachesis, sp. n., and S. atropos, sp. n. Three species, S. medalba, S. chanesalis, and S. ysticalis, are re-described. An analysis of 64 characters (56 binary, 8 multistate; 5 head, 13 thoracic, 13 abdominal, 25 male genitalic, and 8 female genitalic) scored for all Schacontia and three outgroup species (Eustixia pupula Hübner, 1823, Glaphyria sesquistrialis Hübner, 1823, and Hellula undalis (Fabricius, 1781)) retrieved 8 equally most parsimonious trees (L=102, CI=71, RI=84) of which the strict consensus is: [[[[medalba + umbra] + chanesalis] + speciosa] + [ysticalis + [rasa + themis + [atropos + lachesis + nyx + clotho]]]]. The relevance of male secondary sexual characters to the diagnosis of Schacontia species is discussed.

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